./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:35:49,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:35:49,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:35:49,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:35:49,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:35:49,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:35:49,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:35:49,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:35:49,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:35:49,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:35:49,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:35:49,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:35:49,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:35:49,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:35:49,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:35:49,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:35:49,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:35:49,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:35:49,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:35:49,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:35:49,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:35:49,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:35:49,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:35:49,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:35:49,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:35:49,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:35:49,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:35:49,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:35:49,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:35:49,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:35:49,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:35:49,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:35:49,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:35:49,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:35:49,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:35:49,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:35:49,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:35:49,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:35:49,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:35:49,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:35:49,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:35:49,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:35:49,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:35:49,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:35:49,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:35:49,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:35:49,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:35:49,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:35:49,684 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:35:49,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:35:49,685 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:35:49,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:35:49,686 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:35:49,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:35:49,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:35:49,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:35:49,688 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:35:49,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:35:49,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:35:49,689 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:35:49,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:35:49,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:35:49,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:35:49,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:35:49,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:35:49,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:35:49,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:35:49,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:35:49,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:35:49,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:35:49,693 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:35:49,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:35:49,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:35:49,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:35:49,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:35:49,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:35:49,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:35:49,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:35:49,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:35:49,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:35:49,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:35:49,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:35:49,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:35:49,697 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 [2021-11-25 19:35:50,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:35:50,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:35:50,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:35:50,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:35:50,075 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:35:50,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2021-11-25 19:35:50,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/cbe40016c/fa776e529fc74dc79d9ecf448247fcd9/FLAG1d5e6c637 [2021-11-25 19:35:50,686 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:35:50,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2021-11-25 19:35:50,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/cbe40016c/fa776e529fc74dc79d9ecf448247fcd9/FLAG1d5e6c637 [2021-11-25 19:35:51,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/cbe40016c/fa776e529fc74dc79d9ecf448247fcd9 [2021-11-25 19:35:51,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:35:51,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:35:51,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:35:51,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:35:51,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:35:51,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249703d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51, skipping insertion in model container [2021-11-25 19:35:51,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:35:51,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:35:51,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c[3713,3726] [2021-11-25 19:35:51,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:35:51,399 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:35:51,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c[3713,3726] [2021-11-25 19:35:51,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:35:51,466 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:35:51,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51 WrapperNode [2021-11-25 19:35:51,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:35:51,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:35:51,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:35:51,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:35:51,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,550 INFO L137 Inliner]: procedures = 18, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 186 [2021-11-25 19:35:51,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:35:51,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:35:51,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:35:51,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:35:51,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:35:51,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:35:51,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:35:51,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:35:51,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (1/1) ... [2021-11-25 19:35:51,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:35:51,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:35:51,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:35:51,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:35:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:35:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:35:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:35:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 19:35:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:35:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-25 19:35:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:35:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 19:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:35:51,939 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:35:51,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:35:52,270 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:35:52,347 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:35:52,348 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-25 19:35:52,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:52 BoogieIcfgContainer [2021-11-25 19:35:52,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:35:52,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:35:52,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:35:52,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:35:52,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:35:51" (1/3) ... [2021-11-25 19:35:52,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341986c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:35:52, skipping insertion in model container [2021-11-25 19:35:52,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:51" (2/3) ... [2021-11-25 19:35:52,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341986c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:35:52, skipping insertion in model container [2021-11-25 19:35:52,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:52" (3/3) ... [2021-11-25 19:35:52,362 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621b.c [2021-11-25 19:35:52,369 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:35:52,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:35:52,451 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:35:52,460 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:35:52,460 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:35:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:35:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:35:52,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:35:52,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:35:52,486 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:35:52,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:35:52,493 INFO L85 PathProgramCache]: Analyzing trace with hash 725631262, now seen corresponding path program 1 times [2021-11-25 19:35:52,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:35:52,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111020606] [2021-11-25 19:35:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:35:52,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:35:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:35:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:35:52,699 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:35:52,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111020606] [2021-11-25 19:35:52,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111020606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:35:52,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:35:52,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:35:52,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056800221] [2021-11-25 19:35:52,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:35:52,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:35:52,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:35:52,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:35:52,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:35:52,752 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 23 states have internal predecessors, (36), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:35:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:35:52,789 INFO L93 Difference]: Finished difference Result 47 states and 71 transitions. [2021-11-25 19:35:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:35:52,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 19:35:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:35:52,801 INFO L225 Difference]: With dead ends: 47 [2021-11-25 19:35:52,801 INFO L226 Difference]: Without dead ends: 22 [2021-11-25 19:35:52,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:35:52,809 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:35:52,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:35:52,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-25 19:35:52,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-11-25 19:35:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:35:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-11-25 19:35:52,849 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 9 [2021-11-25 19:35:52,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:35:52,850 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-11-25 19:35:52,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:35:52,850 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-11-25 19:35:52,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:35:52,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:35:52,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:35:52,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:35:52,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:35:52,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:35:52,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1997685412, now seen corresponding path program 1 times [2021-11-25 19:35:52,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:35:52,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602712630] [2021-11-25 19:35:52,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:35:52,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:35:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:35:52,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:35:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:35:53,055 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:35:53,055 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:35:53,058 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:35:53,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:35:53,065 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 19:35:53,071 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:35:53,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:35:53 BoogieIcfgContainer [2021-11-25 19:35:53,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:35:53,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:35:53,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:35:53,117 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:35:53,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:52" (3/4) ... [2021-11-25 19:35:53,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:35:53,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:35:53,122 INFO L158 Benchmark]: Toolchain (without parser) took 2088.68ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 49.4MB in the beginning and 54.7MB in the end (delta: -5.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-25 19:35:53,122 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:35:53,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.68ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 49.2MB in the beginning and 80.7MB in the end (delta: -31.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-25 19:35:53,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.28ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:35:53,125 INFO L158 Benchmark]: Boogie Preprocessor took 100.99ms. Allocated memory is still 107.0MB. Free memory was 78.6MB in the beginning and 76.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:35:53,125 INFO L158 Benchmark]: RCFGBuilder took 698.44ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 60.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 19:35:53,126 INFO L158 Benchmark]: TraceAbstraction took 762.66ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 54.7MB in the end (delta: 5.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-25 19:35:53,127 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 107.0MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:35:53,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.68ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 49.2MB in the beginning and 80.7MB in the end (delta: -31.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.28ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.99ms. Allocated memory is still 107.0MB. Free memory was 78.6MB in the beginning and 76.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 698.44ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 60.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 762.66ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 54.7MB in the end (delta: 5.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 107.0MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 147]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84, overapproximation of bitwiseAnd at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 146. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L143] double x = -1.0 / 0.0; [L144] CALL, EXPR atan_double(x) [L67] double w, s1, s2, z; [L68] __int32_t ix, hx, id; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (hx) = gh_u.parts.msw [L75] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=10, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L76] COND TRUE ix >= 0x44100000 [L77] __uint32_t low; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=10, ix=2146435073, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L79] ieee_double_shape_type gl_u; [L80] gl_u.value = (x) [L81] EXPR gl_u.parts.lsw [L81] (low) = gl_u.parts.lsw [L83] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L84] return x + x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanhi_atan[3]=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, atanhi_atan[3]=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, atanlo_atan={5:0}, atanlo_atan[3]=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, atanlo_atan[3]=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=10, ix=2146435073, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L144] RET, EXPR atan_double(x) [L144] double res = atan_double(x); [L146] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L147] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 19:35:53,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:35:56,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:35:56,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:35:56,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:35:56,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:35:56,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:35:56,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:35:56,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:35:56,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:35:56,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:35:56,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:35:56,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:35:56,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:35:56,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:35:56,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:35:56,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:35:56,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:35:56,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:35:56,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:35:56,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:35:56,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:35:56,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:35:56,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:35:56,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:35:56,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:35:56,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:35:56,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:35:56,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:35:56,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:35:56,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:35:56,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:35:56,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:35:56,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:35:56,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:35:56,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:35:56,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:35:56,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:35:56,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:35:56,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:35:56,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:35:56,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:35:56,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 19:35:56,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:35:56,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:35:56,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:35:56,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:35:56,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:35:56,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:35:56,222 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:35:56,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:35:56,222 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:35:56,223 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:35:56,224 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:35:56,224 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:35:56,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:35:56,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:35:56,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:35:56,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:35:56,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:35:56,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:35:56,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:35:56,228 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:35:56,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:35:56,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:35:56,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:35:56,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:35:56,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:35:56,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:35:56,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:35:56,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:35:56,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:35:56,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:35:56,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:35:56,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:35:56,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:35:56,232 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:35:56,232 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:35:56,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:35:56,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:35:56,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:35:56,233 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_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ead8f92d727e659a3a3e48f3e2a8079f3cda1172b703c6ea18213bf1971d913 [2021-11-25 19:35:56,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:35:56,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:35:56,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:35:56,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:35:56,778 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:35:56,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2021-11-25 19:35:56,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/5cea16d36/cc90cb9317334544bdd8b40d9775f2a4/FLAGdf1c1d7e6 [2021-11-25 19:35:57,598 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:35:57,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c [2021-11-25 19:35:57,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/5cea16d36/cc90cb9317334544bdd8b40d9775f2a4/FLAGdf1c1d7e6 [2021-11-25 19:35:57,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/data/5cea16d36/cc90cb9317334544bdd8b40d9775f2a4 [2021-11-25 19:35:57,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:35:57,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:35:57,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:35:57,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:35:57,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:35:57,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:57" (1/1) ... [2021-11-25 19:35:57,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1abd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:57, skipping insertion in model container [2021-11-25 19:35:57,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:57" (1/1) ... [2021-11-25 19:35:57,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:35:57,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:35:58,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c[3713,3726] [2021-11-25 19:35:58,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:35:58,220 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:35:58,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/sv-benchmarks/c/float-newlib/double_req_bl_0621b.c[3713,3726] [2021-11-25 19:35:58,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:35:58,375 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:35:58,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58 WrapperNode [2021-11-25 19:35:58,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:35:58,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:35:58,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:35:58,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:35:58,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,464 INFO L137 Inliner]: procedures = 21, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 187 [2021-11-25 19:35:58,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:35:58,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:35:58,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:35:58,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:35:58,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:35:58,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:35:58,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:35:58,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:35:58,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (1/1) ... [2021-11-25 19:35:58,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:35:58,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:35:58,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:35:58,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:35:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:35:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-25 19:35:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-25 19:35:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:35:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:35:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-25 19:35:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:35:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:35:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:35:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:35:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:35:58,814 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:35:58,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:36:14,044 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:36:14,051 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:36:14,051 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-25 19:36:14,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:36:14 BoogieIcfgContainer [2021-11-25 19:36:14,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:36:14,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:36:14,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:36:14,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:36:14,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:35:57" (1/3) ... [2021-11-25 19:36:14,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535879a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:36:14, skipping insertion in model container [2021-11-25 19:36:14,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:58" (2/3) ... [2021-11-25 19:36:14,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535879a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:36:14, skipping insertion in model container [2021-11-25 19:36:14,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:36:14" (3/3) ... [2021-11-25 19:36:14,073 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621b.c [2021-11-25 19:36:14,084 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:36:14,085 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:36:14,144 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:36:14,166 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:36:14,167 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:36:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.65625) internal successors, (53), 33 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 19:36:14,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:36:14,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:36:14,192 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:36:14,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:36:14,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1035664421, now seen corresponding path program 1 times [2021-11-25 19:36:14,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:36:14,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138558215] [2021-11-25 19:36:14,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:36:14,233 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:36:14,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:36:14,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:36:14,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:36:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:36:14,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 19:36:14,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:36:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:36:14,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:36:14,831 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:36:14,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138558215] [2021-11-25 19:36:14,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138558215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:36:14,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:36:14,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:36:14,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221808307] [2021-11-25 19:36:14,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:36:14,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:36:14,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:36:14,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:36:14,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:36:14,891 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.65625) internal successors, (53), 33 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:14,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:36:14,922 INFO L93 Difference]: Finished difference Result 66 states and 104 transitions. [2021-11-25 19:36:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:36:14,927 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 19:36:14,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:36:14,936 INFO L225 Difference]: With dead ends: 66 [2021-11-25 19:36:14,936 INFO L226 Difference]: Without dead ends: 31 [2021-11-25 19:36:14,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:36:14,944 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:36:14,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:36:14,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-25 19:36:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-25 19:36:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2021-11-25 19:36:14,991 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2021-11-25 19:36:14,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:36:14,992 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2021-11-25 19:36:14,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2021-11-25 19:36:14,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 19:36:14,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:36:14,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:36:15,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-25 19:36:15,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:36:15,205 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:36:15,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:36:15,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1843594333, now seen corresponding path program 1 times [2021-11-25 19:36:15,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:36:15,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188640329] [2021-11-25 19:36:15,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:36:15,208 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:36:15,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:36:15,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:36:15,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 19:36:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:36:15,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 19:36:15,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:36:16,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2021-11-25 19:36:18,571 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:36:18,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-25 19:36:18,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 10 [2021-11-25 19:36:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:36:20,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:36:20,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:36:20,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188640329] [2021-11-25 19:36:20,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188640329] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:36:20,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:36:20,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:36:20,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195582870] [2021-11-25 19:36:20,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:36:20,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:36:20,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:36:20,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:36:20,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:36:20,402 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:20,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:36:20,424 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2021-11-25 19:36:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:36:20,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-25 19:36:20,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:36:20,434 INFO L225 Difference]: With dead ends: 35 [2021-11-25 19:36:20,435 INFO L226 Difference]: Without dead ends: 31 [2021-11-25 19:36:20,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:36:20,438 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:36:20,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 96 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 58 Unchecked, 0.0s Time] [2021-11-25 19:36:20,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-25 19:36:20,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-25 19:36:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-11-25 19:36:20,453 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 12 [2021-11-25 19:36:20,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:36:20,453 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-11-25 19:36:20,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-25 19:36:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 19:36:20,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:36:20,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:36:20,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:36:20,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:36:20,681 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:36:20,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:36:20,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1339018296, now seen corresponding path program 1 times [2021-11-25 19:36:20,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:36:20,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929627755] [2021-11-25 19:36:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:36:20,683 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:36:20,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:36:20,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:36:20,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 19:36:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:36:21,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 19:36:21,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:36:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:36:22,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:36:22,147 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:36:22,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929627755] [2021-11-25 19:36:22,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929627755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:36:22,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:36:22,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:36:22,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603371975] [2021-11-25 19:36:22,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:36:22,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:36:22,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:36:22,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:36:22,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:36:22,150 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:22,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:36:22,155 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2021-11-25 19:36:22,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:36:22,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-25 19:36:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:36:22,157 INFO L225 Difference]: With dead ends: 35 [2021-11-25 19:36:22,157 INFO L226 Difference]: Without dead ends: 14 [2021-11-25 19:36:22,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:36:22,159 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:36:22,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2021-11-25 19:36:22,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-25 19:36:22,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-25 19:36:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-11-25 19:36:22,166 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-11-25 19:36:22,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:36:22,167 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-25 19:36:22,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:22,167 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-11-25 19:36:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 19:36:22,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:36:22,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:36:22,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:36:22,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:36:22,392 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:36:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:36:22,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1317358715, now seen corresponding path program 1 times [2021-11-25 19:36:22,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:36:22,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722788030] [2021-11-25 19:36:22,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:36:22,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:36:22,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:36:22,396 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:36:22,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 19:36:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:36:22,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 19:36:22,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:36:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:36:24,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:36:24,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:36:24,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722788030] [2021-11-25 19:36:24,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722788030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:36:24,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:36:24,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:36:24,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547133044] [2021-11-25 19:36:24,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:36:24,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:36:24,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:36:24,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:36:24,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:36:24,121 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:24,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:36:24,124 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-11-25 19:36:24,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:36:24,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-25 19:36:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:36:24,125 INFO L225 Difference]: With dead ends: 18 [2021-11-25 19:36:24,125 INFO L226 Difference]: Without dead ends: 14 [2021-11-25 19:36:24,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:36:24,138 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:36:24,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-11-25 19:36:24,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-25 19:36:24,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-25 19:36:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2021-11-25 19:36:24,144 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2021-11-25 19:36:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:36:24,144 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2021-11-25 19:36:24,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:24,145 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2021-11-25 19:36:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 19:36:24,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:36:24,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:36:24,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:36:24,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:36:24,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:36:24,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:36:24,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1317299133, now seen corresponding path program 1 times [2021-11-25 19:36:24,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:36:24,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45392212] [2021-11-25 19:36:24,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:36:24,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:36:24,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:36:24,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:36:24,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 19:36:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:36:25,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 19:36:25,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:36:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:36:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:36:26,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 40 [2021-11-25 19:36:27,293 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-11-25 19:36:27,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 19:36:29,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:36:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:36:29,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 40 [2021-11-25 19:36:31,010 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:36:31,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 44 [2021-11-25 19:36:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:36:38,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:36:38,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:36:38,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45392212] [2021-11-25 19:36:38,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45392212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:36:38,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:36:38,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:36:38,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123248845] [2021-11-25 19:36:38,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:36:38,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:36:38,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:36:38,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:36:38,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=18, Unknown=2, NotChecked=0, Total=30 [2021-11-25 19:36:38,177 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:38,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:36:38,181 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2021-11-25 19:36:38,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:36:38,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-25 19:36:38,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:36:38,182 INFO L225 Difference]: With dead ends: 14 [2021-11-25 19:36:38,182 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:36:38,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=10, Invalid=18, Unknown=2, NotChecked=0, Total=30 [2021-11-25 19:36:38,184 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:36:38,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-11-25 19:36:38,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:36:38,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:36:38,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:36:38,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-11-25 19:36:38,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:36:38,187 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:36:38,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:36:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:36:38,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:36:38,190 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:36:38,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-25 19:36:38,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:36:38,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 19:36:39,861 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-11-25 19:36:39,861 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 19:36:39,862 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 19:36:39,862 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-11-25 19:36:39,862 INFO L854 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: (and (= |~#atanlo_atan~0.base| (_ bv5 32)) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|) |ULTIMATE.start_atan_double_~hx~0#1|))) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (exists ((v_skolemized_v_prenex_11_8 (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |~#atanhi_atan~0.base|))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_11_8) ((_ extract 62 52) v_skolemized_v_prenex_11_8) ((_ extract 51 0) v_skolemized_v_prenex_11_8)) ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= ((_ extract 63 32) v_skolemized_v_prenex_11_8) (select .cse0 (bvadd (_ bv28 32) |~#atanhi_atan~0.offset|))) (= (select .cse0 (bvadd |~#atanhi_atan~0.offset| (_ bv24 32))) ((_ extract 31 0) v_skolemized_v_prenex_11_8))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| (_ bv5 32)))) (_ bv1 1))) (exists ((v_skolemized_v_prenex_3_8 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_3_8) (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd (_ bv28 32) |~#atanlo_atan~0.offset|))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_8) ((_ extract 62 52) v_skolemized_v_prenex_3_8) ((_ extract 51 0) v_skolemized_v_prenex_3_8)) ((_ to_fp 11 53) currentRoundingMode (/ 612323399573676603587.0 10000000000000000000000000000000000000.0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_atan_double_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64)) (|v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6|) (_ bv4 32)))) (and (= |ULTIMATE.start_atan_double_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|)) (= (bvand (_ bv2147483647 32) .cse1) |ULTIMATE.start_atan_double_~ix~0#1|))))) [2021-11-25 19:36:39,862 INFO L858 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-11-25 19:36:39,862 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-11-25 19:36:39,863 INFO L854 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: (and (= |~#atanlo_atan~0.base| (_ bv5 32)) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= (_ bv4 32) |~#atanhi_atan~0.base|) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| (_ bv4 32))))) (exists ((v_skolemized_v_prenex_11_8 (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |~#atanhi_atan~0.base|))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_11_8) ((_ extract 62 52) v_skolemized_v_prenex_11_8) ((_ extract 51 0) v_skolemized_v_prenex_11_8)) ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= ((_ extract 63 32) v_skolemized_v_prenex_11_8) (select .cse0 (bvadd (_ bv28 32) |~#atanhi_atan~0.offset|))) (= (select .cse0 (bvadd |~#atanhi_atan~0.offset| (_ bv24 32))) ((_ extract 31 0) v_skolemized_v_prenex_11_8))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| (_ bv5 32)))) (_ bv1 1))) (exists ((v_skolemized_v_prenex_3_8 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_3_8) (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd (_ bv28 32) |~#atanlo_atan~0.offset|))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_8) ((_ extract 62 52) v_skolemized_v_prenex_3_8) ((_ extract 51 0) v_skolemized_v_prenex_3_8)) ((_ to_fp 11 53) currentRoundingMode (/ 612323399573676603587.0 10000000000000000000000000000000000000.0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_atan_double_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2021-11-25 19:36:39,863 INFO L858 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-11-25 19:36:39,863 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-11-25 19:36:39,863 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-25 19:36:39,863 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-11-25 19:36:39,863 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 149) no Hoare annotation was computed. [2021-11-25 19:36:39,863 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-11-25 19:36:39,863 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-11-25 19:36:39,863 INFO L854 garLoopResultBuilder]: At program point L32(lines 19 33) the Hoare annotation is: false [2021-11-25 19:36:39,863 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L858 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L858 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-11-25 19:36:39,864 INFO L854 garLoopResultBuilder]: At program point L132-3(lines 66 134) the Hoare annotation is: (and (exists ((v_arrayElimCell_14 (_ BitVec 32)) (v_skolemized_v_prenex_3_8 (_ BitVec 64)) (v_skolemized_v_prenex_11_8 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_11_8) ((_ extract 62 52) v_skolemized_v_prenex_11_8) ((_ extract 51 0) v_skolemized_v_prenex_11_8)) ((_ to_fp 11 53) roundNearestTiesToEven (/ 785398163397448279.0 500000000000000000.0))) (= (fp.sub roundNearestTiesToEven (fp.neg (let ((.cse0 (concat ((_ extract 63 32) v_skolemized_v_prenex_11_8) ((_ extract 31 0) v_skolemized_v_prenex_11_8)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (let ((.cse1 (concat ((_ extract 63 32) v_skolemized_v_prenex_3_8) v_arrayElimCell_14))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) |ULTIMATE.start_atan_double_#res#1|) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_8) ((_ extract 62 52) v_skolemized_v_prenex_3_8) ((_ extract 51 0) v_skolemized_v_prenex_3_8)) ((_ to_fp 11 53) roundNearestTiesToEven (/ 612323399573676603587.0 10000000000000000000000000000000000000.0))))) (= ~pi_o_2~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 785398163397448279.0 500000000000000000.0)))) [2021-11-25 19:36:39,865 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 19:36:39,865 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-11-25 19:36:39,865 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-11-25 19:36:39,865 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-11-25 19:36:39,865 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-11-25 19:36:39,865 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-11-25 19:36:39,865 INFO L858 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-11-25 19:36:39,866 INFO L861 garLoopResultBuilder]: At program point L150(lines 136 151) the Hoare annotation is: true [2021-11-25 19:36:39,866 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-11-25 19:36:39,869 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-25 19:36:39,870 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:36:39,879 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,880 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,886 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,896 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,901 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,901 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,901 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,903 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,903 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,903 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,903 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,904 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,904 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,904 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,904 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] [2021-11-25 19:36:39,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] [2021-11-25 19:36:39,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:39,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:39,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] [2021-11-25 19:36:39,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:39,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] [2021-11-25 19:36:39,916 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,917 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,917 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,917 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,917 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:39,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:39,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:39,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,921 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,921 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,923 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,923 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,923 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:39,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:39,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:39,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:39,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:39,927 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,927 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:39,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:36:39 BoogieIcfgContainer [2021-11-25 19:36:39,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:36:39,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:36:39,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:36:39,930 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:36:39,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:36:14" (3/4) ... [2021-11-25 19:36:39,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:36:39,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-25 19:36:39,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-25 19:36:39,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 19:36:39,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:36:39,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((atanlo_atan == 5bv32 && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && (\exists v_skolemized_v_prenex_11_8 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_v_prenex_11_8[63:63], v_skolemized_v_prenex_11_8[62:52], v_skolemized_v_prenex_11_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000) && v_skolemized_v_prenex_11_8[63:32] == unknown-#memory_int-unknown[atanhi_atan][~bvadd64(28bv32, atanhi_atan)]) && unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 24bv32)] == v_skolemized_v_prenex_11_8[31:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && (\exists v_skolemized_v_prenex_3_8 : bv64 :: v_skolemized_v_prenex_3_8[63:32] == unknown-#memory_int-unknown[atanlo_atan][~bvadd64(28bv32, atanlo_atan)] && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_8[63:63], v_skolemized_v_prenex_3_8[62:52], v_skolemized_v_prenex_3_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 612323399573676603587/10000000000000000000000000000000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) [2021-11-25 19:36:39,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((atanlo_atan == 5bv32 && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_23[63:32] == hx)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && (\exists v_skolemized_v_prenex_11_8 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_v_prenex_11_8[63:63], v_skolemized_v_prenex_11_8[62:52], v_skolemized_v_prenex_11_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000) && v_skolemized_v_prenex_11_8[63:32] == unknown-#memory_int-unknown[atanhi_atan][~bvadd64(28bv32, atanhi_atan)]) && unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 24bv32)] == v_skolemized_v_prenex_11_8[31:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && (\exists v_skolemized_v_prenex_3_8 : bv64 :: v_skolemized_v_prenex_3_8[63:32] == unknown-#memory_int-unknown[atanlo_atan][~bvadd64(28bv32, atanlo_atan)] && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_8[63:63], v_skolemized_v_prenex_3_8[62:52], v_skolemized_v_prenex_3_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 612323399573676603587/10000000000000000000000000000000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6 : bv32 :: (x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_15[63:32]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6][4bv32]) == ix) [2021-11-25 19:36:39,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_arrayElimCell_14 : bv32, v_skolemized_v_prenex_3_8 : bv64, v_skolemized_v_prenex_11_8 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_v_prenex_11_8[63:63], v_skolemized_v_prenex_11_8[62:52], v_skolemized_v_prenex_11_8[51:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~fp~LONGDOUBLE((v_skolemized_v_prenex_11_8[63:32] ++ v_skolemized_v_prenex_11_8[31:0])[63:63], (v_skolemized_v_prenex_11_8[63:32] ++ v_skolemized_v_prenex_11_8[31:0])[62:52], (v_skolemized_v_prenex_11_8[63:32] ++ v_skolemized_v_prenex_11_8[31:0])[51:0])), ~fp~LONGDOUBLE((v_skolemized_v_prenex_3_8[63:32] ++ v_arrayElimCell_14)[63:63], (v_skolemized_v_prenex_3_8[63:32] ++ v_arrayElimCell_14)[62:52], (v_skolemized_v_prenex_3_8[63:32] ++ v_arrayElimCell_14)[51:0])) == \result) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_8[63:63], v_skolemized_v_prenex_3_8[62:52], v_skolemized_v_prenex_3_8[51:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 612323399573676603587/10000000000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000) [2021-11-25 19:36:40,000 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:36:40,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:36:40,001 INFO L158 Benchmark]: Toolchain (without parser) took 42088.60ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 53.5MB in the beginning and 42.2MB in the end (delta: 11.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2021-11-25 19:36:40,002 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:36:40,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.15ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 69.9MB in the end (delta: -16.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:36:40,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.35ms. Allocated memory is still 88.1MB. Free memory was 69.9MB in the beginning and 67.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:36:40,003 INFO L158 Benchmark]: Boogie Preprocessor took 77.29ms. Allocated memory is still 88.1MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:36:40,003 INFO L158 Benchmark]: RCFGBuilder took 15509.79ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 46.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-25 19:36:40,004 INFO L158 Benchmark]: TraceAbstraction took 25869.20ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 45.7MB in the beginning and 48.5MB in the end (delta: -2.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-25 19:36:40,004 INFO L158 Benchmark]: Witness Printer took 71.63ms. Allocated memory is still 113.2MB. Free memory was 48.5MB in the beginning and 42.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:36:40,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.15ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 69.9MB in the end (delta: -16.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.35ms. Allocated memory is still 88.1MB. Free memory was 69.9MB in the beginning and 67.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.29ms. Allocated memory is still 88.1MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 15509.79ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 46.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 25869.20ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 45.7MB in the beginning and 48.5MB in the end (delta: -2.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 71.63ms. Allocated memory is still 113.2MB. Free memory was 48.5MB in the beginning and 42.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,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 * 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: 147]: 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 80 IncrementalHoareTripleChecker+Unchecked, 111 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 105 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 318 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 55 ConstructedInterpolants, 30 QuantifiedInterpolants, 1384 SizeOfPredicates, 30 NumberOfNonLiveVariables, 601 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 70]: Loop Invariant [2021-11-25 19:36:40,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,029 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,030 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,030 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,032 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,032 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,032 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,032 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,032 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,033 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,033 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,033 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,033 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((((atanlo_atan == 5bv32 && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && (\exists v_skolemized_v_prenex_11_8 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_v_prenex_11_8[63:63], v_skolemized_v_prenex_11_8[62:52], v_skolemized_v_prenex_11_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000) && v_skolemized_v_prenex_11_8[63:32] == unknown-#memory_int-unknown[atanhi_atan][~bvadd64(28bv32, atanhi_atan)]) && unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 24bv32)] == v_skolemized_v_prenex_11_8[31:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && (\exists v_skolemized_v_prenex_3_8 : bv64 :: v_skolemized_v_prenex_3_8[63:32] == unknown-#memory_int-unknown[atanlo_atan][~bvadd64(28bv32, atanlo_atan)] && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_8[63:63], v_skolemized_v_prenex_3_8[62:52], v_skolemized_v_prenex_3_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 612323399573676603587/10000000000000000000000000000000000000))) && 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: 78]: Loop Invariant [2021-11-25 19:36:40,034 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,034 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,035 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,035 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,035 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,035 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,035 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,036 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,037 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,037 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] [2021-11-25 19:36:40,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] [2021-11-25 19:36:40,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2021-11-25 19:36:40,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,041 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,043 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 19:36:40,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] [2021-11-25 19:36:40,050 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-11-25 19:36:40,051 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6,QUANTIFIED] Derived loop invariant: (((((((((atanlo_atan == 5bv32 && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_23[63:32] == hx)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && 4bv32 == atanhi_atan) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[4bv32]))) && (\exists v_skolemized_v_prenex_11_8 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_v_prenex_11_8[63:63], v_skolemized_v_prenex_11_8[62:52], v_skolemized_v_prenex_11_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000) && v_skolemized_v_prenex_11_8[63:32] == unknown-#memory_int-unknown[atanhi_atan][~bvadd64(28bv32, atanhi_atan)]) && unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 24bv32)] == v_skolemized_v_prenex_11_8[31:0])) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[5bv32])), 1bv1)) && (\exists v_skolemized_v_prenex_3_8 : bv64 :: v_skolemized_v_prenex_3_8[63:32] == unknown-#memory_int-unknown[atanlo_atan][~bvadd64(28bv32, atanlo_atan)] && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_8[63:63], v_skolemized_v_prenex_3_8[62:52], v_skolemized_v_prenex_3_8[51:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 612323399573676603587/10000000000000000000000000000000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_15 : bv64, v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6 : bv32 :: (x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_15[63:32]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_atan_double_~#gh_u~1#1.base_6][4bv32]) == ix) - InvariantResult [Line: 66]: Loop Invariant [2021-11-25 19:36:40,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,053 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,053 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:40,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:40,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:40,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,057 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,057 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,057 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,061 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,062 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,062 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,062 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_11_8,QUANTIFIED] [2021-11-25 19:36:40,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:40,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:40,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_14,QUANTIFIED] [2021-11-25 19:36:40,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_8,QUANTIFIED] [2021-11-25 19:36:40,065 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 19:36:40,065 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists v_arrayElimCell_14 : bv32, v_skolemized_v_prenex_3_8 : bv64, v_skolemized_v_prenex_11_8 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_v_prenex_11_8[63:63], v_skolemized_v_prenex_11_8[62:52], v_skolemized_v_prenex_11_8[51:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~fp~LONGDOUBLE((v_skolemized_v_prenex_11_8[63:32] ++ v_skolemized_v_prenex_11_8[31:0])[63:63], (v_skolemized_v_prenex_11_8[63:32] ++ v_skolemized_v_prenex_11_8[31:0])[62:52], (v_skolemized_v_prenex_11_8[63:32] ++ v_skolemized_v_prenex_11_8[31:0])[51:0])), ~fp~LONGDOUBLE((v_skolemized_v_prenex_3_8[63:32] ++ v_arrayElimCell_14)[63:63], (v_skolemized_v_prenex_3_8[63:32] ++ v_arrayElimCell_14)[62:52], (v_skolemized_v_prenex_3_8[63:32] ++ v_arrayElimCell_14)[51:0])) == \result) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_8[63:63], v_skolemized_v_prenex_3_8[62:52], v_skolemized_v_prenex_3_8[51:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 612323399573676603587/10000000000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-25 19:36:40,292 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 19:36:40,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1471b55e-73be-4a9b-a788-474b88793b3e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE