./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a ................................................................................................................................................................................................................................................................................................................. 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_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:06:23,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:06:23,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:06:23,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:06:23,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:06:23,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:06:23,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:06:23,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:06:23,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:06:23,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:06:23,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:06:23,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:06:23,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:06:23,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:06:23,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:06:23,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:06:23,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:06:23,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:06:23,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:06:23,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:06:23,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:06:23,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:06:23,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:06:23,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:06:23,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:06:23,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:06:23,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:06:23,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:06:23,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:06:23,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:06:23,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:06:23,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:06:23,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:06:23,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:06:23,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:06:23,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:06:23,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:06:23,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:06:23,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:06:23,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:06:23,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:06:23,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:06:23,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:06:23,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:06:23,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:06:23,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:06:23,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:06:23,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:06:23,637 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:06:23,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:06:23,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:06:23,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:06:23,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:06:23,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:06:23,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:06:23,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:06:23,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:06:23,640 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:06:23,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:06:23,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:06:23,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:06:23,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:06:23,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:06:23,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:06:23,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:06:23,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:06:23,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:06:23,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:06:23,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:06:23,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:06:23,643 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:06:23,644 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:06:23,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:06:23,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:06:23,645 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_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2021-10-28 23:06:24,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:06:24,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:06:24,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:06:24,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:06:24,027 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:06:24,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-10-28 23:06:24,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/39f043691/a4f9e4b8a7194db88e25c1cb32efc1fb/FLAGae83b24ac [2021-10-28 23:06:24,576 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:06:24,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-10-28 23:06:24,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/39f043691/a4f9e4b8a7194db88e25c1cb32efc1fb/FLAGae83b24ac [2021-10-28 23:06:24,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/39f043691/a4f9e4b8a7194db88e25c1cb32efc1fb [2021-10-28 23:06:24,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:06:24,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:06:24,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:06:24,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:06:24,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:06:24,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:06:24" (1/1) ... [2021-10-28 23:06:24,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6399a8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:24, skipping insertion in model container [2021-10-28 23:06:24,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:06:24" (1/1) ... [2021-10-28 23:06:24,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:06:24,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:06:25,205 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_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-10-28 23:06:25,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:06:25,216 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:06:25,246 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_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-10-28 23:06:25,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:06:25,259 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:06:25,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25 WrapperNode [2021-10-28 23:06:25,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:06:25,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:06:25,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:06:25,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:06:25,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:06:25,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:06:25,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:06:25,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:06:25,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:06:25,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:06:25,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:06:25,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:06:25,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (1/1) ... [2021-10-28 23:06:25,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:06:25,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:06:25,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:06:25,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:06:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:06:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:06:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 23:06:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:06:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 23:06:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:06:25,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:06:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:06:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:06:25,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:06:25,823 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-28 23:06:25,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:06:25 BoogieIcfgContainer [2021-10-28 23:06:25,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:06:25,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:06:25,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:06:25,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:06:25,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:06:24" (1/3) ... [2021-10-28 23:06:25,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd13dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:06:25, skipping insertion in model container [2021-10-28 23:06:25,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:25" (2/3) ... [2021-10-28 23:06:25,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd13dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:06:25, skipping insertion in model container [2021-10-28 23:06:25,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:06:25" (3/3) ... [2021-10-28 23:06:25,834 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d.c [2021-10-28 23:06:25,839 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:06:25,839 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:06:25,884 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:06:25,891 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 23:06:25,891 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:06:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:06:25,912 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:06:25,912 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:06:25,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:06:25,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:06:25,919 INFO L85 PathProgramCache]: Analyzing trace with hash 748040733, now seen corresponding path program 1 times [2021-10-28 23:06:25,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:06:25,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131377029] [2021-10-28 23:06:25,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:06:25,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:06:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:06:26,073 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 23:06:26,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:06:26,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131377029] [2021-10-28 23:06:26,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131377029] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:06:26,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:06:26,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:06:26,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653603200] [2021-10-28 23:06:26,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:06:26,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:06:26,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:06:26,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:06:26,098 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:26,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:06:26,114 INFO L93 Difference]: Finished difference Result 52 states and 80 transitions. [2021-10-28 23:06:26,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:06:26,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-28 23:06:26,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:06:26,124 INFO L225 Difference]: With dead ends: 52 [2021-10-28 23:06:26,124 INFO L226 Difference]: Without dead ends: 24 [2021-10-28 23:06:26,127 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 23:06:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-28 23:06:26,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-28 23:06:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-10-28 23:06:26,159 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 13 [2021-10-28 23:06:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:06:26,159 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-28 23:06:26,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-10-28 23:06:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:06:26,161 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:06:26,161 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:06:26,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:06:26,161 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:06:26,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:06:26,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1214246053, now seen corresponding path program 1 times [2021-10-28 23:06:26,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:06:26,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200889566] [2021-10-28 23:06:26,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:06:26,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:06:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:06:26,275 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:06:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:06:26,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:06:26,437 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:06:26,439 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:06:26,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:06:26,445 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:06:26,448 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:06:26,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:06:26 BoogieIcfgContainer [2021-10-28 23:06:26,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:06:26,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:06:26,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:06:26,492 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:06:26,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:06:25" (3/4) ... [2021-10-28 23:06:26,498 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:06:26,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:06:26,501 INFO L168 Benchmark]: Toolchain (without parser) took 1559.42 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 66.2 MB in the beginning and 100.4 MB in the end (delta: -34.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:06:26,502 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 82.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:06:26,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.86 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 81.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:26,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 107.0 MB. Free memory was 81.0 MB in the beginning and 79.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:26,512 INFO L168 Benchmark]: Boogie Preprocessor took 32.42 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:26,513 INFO L168 Benchmark]: RCFGBuilder took 488.55 ms. Allocated memory is still 107.0 MB. Free memory was 77.7 MB in the beginning and 64.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:26,514 INFO L168 Benchmark]: TraceAbstraction took 663.88 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 63.8 MB in the beginning and 101.1 MB in the end (delta: -37.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:26,514 INFO L168 Benchmark]: Witness Printer took 6.87 ms. Allocated memory is still 130.0 MB. Free memory was 101.1 MB in the beginning and 100.4 MB in the end (delta: 765.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:06:26,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 82.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.86 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 81.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 107.0 MB. Free memory was 81.0 MB in the beginning and 79.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.42 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 488.55 ms. Allocated memory is still 107.0 MB. Free memory was 77.7 MB in the beginning and 64.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 663.88 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 63.8 MB in the beginning and 101.1 MB in the end (delta: -37.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Witness Printer took 6.87 ms. Allocated memory is still 130.0 MB. Free memory was 101.1 MB in the beginning and 100.4 MB in the end (delta: 765.9 kB). 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: 91]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 74, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of bitwiseAnd at line 73. Possible FailurePath: [L86] double x = -1.0 / 0.0; [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND FALSE !(exponent_less_1023 < 20) [L49] COND TRUE exponent_less_1023 > 51 [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; [L87] double res = trunc_double(x); [L66] __int32_t hx, lx; [L68] ieee_double_shape_type ew_u; [L69] ew_u.value = (x) [L70] EXPR ew_u.parts.msw [L70] (hx) = ew_u.parts.msw [L71] EXPR ew_u.parts.lsw [L71] (lx) = ew_u.parts.lsw [L73] hx &= 0x7fffffff [L74] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L75] hx = 0x7ff00000 - hx [L76] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L90] COND TRUE !isinf_double(res) [L91] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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: 30 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=27occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 23:06:26,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/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 23:06:28,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:06:29,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:06:29,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:06:29,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:06:29,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:06:29,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:06:29,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:06:29,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:06:29,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:06:29,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:06:29,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:06:29,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:06:29,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:06:29,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:06:29,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:06:29,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:06:29,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:06:29,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:06:29,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:06:29,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:06:29,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:06:29,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:06:29,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:06:29,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:06:29,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:06:29,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:06:29,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:06:29,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:06:29,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:06:29,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:06:29,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:06:29,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:06:29,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:06:29,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:06:29,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:06:29,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:06:29,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:06:29,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:06:29,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:06:29,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:06:29,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:06:29,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:06:29,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:06:29,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:06:29,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:06:29,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:06:29,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:06:29,202 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:06:29,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:06:29,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:06:29,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:06:29,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:06:29,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:06:29,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:06:29,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:06:29,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:06:29,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:06:29,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:06:29,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:06:29,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:06:29,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:06:29,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:06:29,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:06:29,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:06:29,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:06:29,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:06:29,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:06:29,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:06:29,209 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:06:29,209 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:06:29,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:06:29,209 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:06:29,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:06:29,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:06:29,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:06:29,210 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_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2021-10-28 23:06:29,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:06:29,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:06:29,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:06:29,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:06:29,606 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:06:29,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-10-28 23:06:29,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/893058f04/a58836c893464a2ebf881a3470837ed5/FLAGc265f4c6c [2021-10-28 23:06:30,132 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:06:30,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-10-28 23:06:30,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/893058f04/a58836c893464a2ebf881a3470837ed5/FLAGc265f4c6c [2021-10-28 23:06:30,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/data/893058f04/a58836c893464a2ebf881a3470837ed5 [2021-10-28 23:06:30,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:06:30,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:06:30,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:06:30,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:06:30,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:06:30,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdb247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30, skipping insertion in model container [2021-10-28 23:06:30,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:06:30,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:06:30,770 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_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-10-28 23:06:30,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:06:30,785 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:06:30,852 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_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-10-28 23:06:30,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:06:30,876 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:06:30,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30 WrapperNode [2021-10-28 23:06:30,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:06:30,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:06:30,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:06:30,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:06:30,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:06:30,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:06:30,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:06:30,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:06:30,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:30,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:31,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:31,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:31,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:06:31,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:06:31,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:06:31,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:06:31,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (1/1) ... [2021-10-28 23:06:31,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:06:31,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:06:31,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:06:31,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:06:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-28 23:06:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-28 23:06:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:06:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:06:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:06:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:06:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:06:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:06:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:06:31,498 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:06:31,499 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-28 23:06:31,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:06:31 BoogieIcfgContainer [2021-10-28 23:06:31,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:06:31,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:06:31,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:06:31,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:06:31,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:06:30" (1/3) ... [2021-10-28 23:06:31,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c030eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:06:31, skipping insertion in model container [2021-10-28 23:06:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:30" (2/3) ... [2021-10-28 23:06:31,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c030eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:06:31, skipping insertion in model container [2021-10-28 23:06:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:06:31" (3/3) ... [2021-10-28 23:06:31,507 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d.c [2021-10-28 23:06:31,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:06:31,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:06:31,609 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:06:31,615 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 23:06:31,615 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:06:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 23:06:31,634 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:06:31,635 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:06:31,636 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:06:31,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:06:31,641 INFO L85 PathProgramCache]: Analyzing trace with hash 748040733, now seen corresponding path program 1 times [2021-10-28 23:06:31,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:06:31,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005631224] [2021-10-28 23:06:31,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:06:31,653 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:06:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:06:31,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:06:31,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:06:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:06:31,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 23:06:31,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:06:31,892 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 23:06:31,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:06:31,942 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 23:06:31,943 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:06:31,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005631224] [2021-10-28 23:06:31,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005631224] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:06:31,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:06:31,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:06:31,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587708003] [2021-10-28 23:06:31,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:06:31,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:06:31,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:06:31,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:06:31,966 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:31,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:06:31,982 INFO L93 Difference]: Finished difference Result 52 states and 80 transitions. [2021-10-28 23:06:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:06:31,984 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-28 23:06:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:06:31,992 INFO L225 Difference]: With dead ends: 52 [2021-10-28 23:06:31,993 INFO L226 Difference]: Without dead ends: 24 [2021-10-28 23:06:31,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:06:32,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-28 23:06:32,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-28 23:06:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-10-28 23:06:32,025 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 13 [2021-10-28 23:06:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:06:32,026 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-28 23:06:32,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-10-28 23:06:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:06:32,028 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:06:32,028 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:06:32,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:06:32,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:06:32,242 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:06:32,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:06:32,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1214246053, now seen corresponding path program 1 times [2021-10-28 23:06:32,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:06:32,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112014254] [2021-10-28 23:06:32,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:06:32,244 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:06:32,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:06:32,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:06:32,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:06:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:06:32,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:06:32,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:06:32,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-10-28 23:06:33,039 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 23:06:33,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:06:33,213 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 23:06:37,643 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 23:06:37,644 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:06:37,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112014254] [2021-10-28 23:06:37,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112014254] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:06:37,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:06:37,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-10-28 23:06:37,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361749784] [2021-10-28 23:06:37,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 23:06:37,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:06:37,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 23:06:37,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-28 23:06:37,648 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:38,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:06:38,810 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-10-28 23:06:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:06:38,811 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-28 23:06:38,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:06:38,812 INFO L225 Difference]: With dead ends: 33 [2021-10-28 23:06:38,812 INFO L226 Difference]: Without dead ends: 23 [2021-10-28 23:06:38,814 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-10-28 23:06:38,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-28 23:06:38,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-28 23:06:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-10-28 23:06:38,818 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 15 [2021-10-28 23:06:38,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:06:38,819 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-10-28 23:06:38,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-10-28 23:06:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:06:38,820 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:06:38,820 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:06:38,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:06:39,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:06:39,021 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:06:39,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:06:39,022 INFO L85 PathProgramCache]: Analyzing trace with hash 814434271, now seen corresponding path program 1 times [2021-10-28 23:06:39,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:06:39,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355379599] [2021-10-28 23:06:39,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:06:39,024 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:06:39,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:06:39,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:06:39,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:06:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:06:39,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:06:39,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:06:39,452 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 23:06:39,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:06:39,656 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 23:06:39,656 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:06:39,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355379599] [2021-10-28 23:06:39,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355379599] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:06:39,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:06:39,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-28 23:06:39,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468597595] [2021-10-28 23:06:39,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:06:39,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:06:39,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:06:39,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:06:39,660 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:39,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:06:39,821 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-10-28 23:06:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:06:39,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 23:06:39,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:06:39,823 INFO L225 Difference]: With dead ends: 23 [2021-10-28 23:06:39,823 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:06:39,823 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:06:39,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:06:39,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:06:39,824 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 23:06:39,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:06:39,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-10-28 23:06:39,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:06:39,829 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:06:39,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:06:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:06:39,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:06:39,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:06:39,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:06:40,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:06:40,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:06:40,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:06:40,237 INFO L857 garLoopResultBuilder]: For program point L32(lines 32 60) no Hoare annotation was computed. [2021-10-28 23:06:40,237 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:06:40,237 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:06:40,238 INFO L853 garLoopResultBuilder]: At program point L61(lines 19 62) the Hoare annotation is: (and (= ULTIMATE.start_trunc_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_trunc_double_#res|) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:06:40,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:06:40,238 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 93) no Hoare annotation was computed. [2021-10-28 23:06:40,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2021-10-28 23:06:40,238 INFO L857 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-10-28 23:06:40,239 INFO L853 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_trunc_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2021-10-28 23:06:40,239 INFO L857 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-10-28 23:06:40,239 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-10-28 23:06:40,239 INFO L857 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2021-10-28 23:06:40,239 INFO L853 garLoopResultBuilder]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2021-10-28 23:06:40,240 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 48) no Hoare annotation was computed. [2021-10-28 23:06:40,240 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:06:40,240 INFO L860 garLoopResultBuilder]: At program point L95(lines 79 96) the Hoare annotation is: true [2021-10-28 23:06:40,240 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-28 23:06:40,240 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2021-10-28 23:06:40,240 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2021-10-28 23:06:40,240 INFO L857 garLoopResultBuilder]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2021-10-28 23:06:40,241 INFO L857 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed. [2021-10-28 23:06:40,241 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 72) no Hoare annotation was computed. [2021-10-28 23:06:40,241 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2021-10-28 23:06:40,241 INFO L853 garLoopResultBuilder]: At program point L67-2(lines 67 72) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= ULTIMATE.start_trunc_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse0 |ULTIMATE.start_trunc_double_#res|) (= .cse0 ULTIMATE.start_isinf_double_~x) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-28 23:06:40,241 INFO L853 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2021-10-28 23:06:40,242 INFO L857 garLoopResultBuilder]: For program point L67-3(lines 67 72) no Hoare annotation was computed. [2021-10-28 23:06:40,242 INFO L853 garLoopResultBuilder]: At program point L76(lines 65 77) the Hoare annotation is: (let ((.cse0 (let ((.cse4 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse4 .cse4)))) (and (= ULTIMATE.start_trunc_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse0 |ULTIMATE.start_trunc_double_#res|) (= .cse0 ULTIMATE.start_isinf_double_~x) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= |ULTIMATE.start_isinf_double_#res| (bvadd (bvneg (bvlshr (let ((.cse1 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32))))))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))) (_ bv1 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (let ((.cse3 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse3 .cse3))))) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-28 23:06:40,251 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 23:06:40,255 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:06:40,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:06:40,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:06:40,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:06:40,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:06:40,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,271 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,279 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,279 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,279 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,279 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,281 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,281 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,283 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,284 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,284 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,284 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,290 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,290 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,290 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,290 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,290 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:06:40 BoogieIcfgContainer [2021-10-28 23:06:40,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:06:40,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:06:40,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:06:40,297 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:06:40,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:06:31" (3/4) ... [2021-10-28 23:06:40,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:06:40,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-28 23:06:40,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:06:40,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:06:40,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:06:40,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) [2021-10-28 23:06:40,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 23:06:40,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 23:06:40,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && (\exists v_skolemized_q#valueAsBitvector_5 : bv64 :: \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))))), 31bv32)), 1bv32) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-28 23:06:40,392 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:06:40,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:06:40,396 INFO L168 Benchmark]: Toolchain (without parser) took 9869.36 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 23.2 MB in the beginning and 35.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:40,397 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 28.9 MB in the beginning and 28.9 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:06:40,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.46 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.0 MB in the beginning and 41.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:40,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.99 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 39.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:06:40,399 INFO L168 Benchmark]: Boogie Preprocessor took 72.06 ms. Allocated memory is still 58.7 MB. Free memory was 39.3 MB in the beginning and 37.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:40,400 INFO L168 Benchmark]: RCFGBuilder took 476.76 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 36.8 MB in the end (delta: 755.2 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:40,400 INFO L168 Benchmark]: TraceAbstraction took 8794.01 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 38.9 MB in the end (delta: -2.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:40,401 INFO L168 Benchmark]: Witness Printer took 96.14 ms. Allocated memory is still 71.3 MB. Free memory was 38.9 MB in the beginning and 35.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:06:40,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 28.9 MB in the beginning and 28.9 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.46 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.0 MB in the beginning and 41.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.99 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 39.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.06 ms. Allocated memory is still 58.7 MB. Free memory was 39.3 MB in the beginning and 37.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 476.76 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 36.8 MB in the end (delta: 755.2 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8794.01 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 38.9 MB in the end (delta: -2.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 96.14 ms. Allocated memory is still 71.3 MB. Free memory was 38.9 MB in the beginning and 35.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 91]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 71 SDslu, 197 SDs, 0 SdLazy, 83 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 214 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 84 ConstructedInterpolants, 18 QuantifiedInterpolants, 1050 SizeOfPredicates, 21 NumberOfNonLiveVariables, 166 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant [2021-10-28 23:06:40,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:06:40,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:06:40,428 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:06:40,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 19]: Loop Invariant [2021-10-28 23:06:40,428 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,429 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,429 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,429 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,429 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,429 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,430 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,430 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,430 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,430 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,430 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,431 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant [2021-10-28 23:06:40,434 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,434 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,434 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,436 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant [2021-10-28 23:06:40,439 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,439 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,439 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,440 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,440 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,440 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,440 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,440 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,440 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,448 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-10-28 23:06:40,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:06:40,461 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && (\exists v_skolemized_q#valueAsBitvector_5 : bv64 :: \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))))), 31bv32)), 1bv32) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:06:40,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae0c66b-9aa6-4235-9f0b-e723a93294c2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...