./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:21:09,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:21:09,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:21:09,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:21:09,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:21:09,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:21:09,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:21:09,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:21:09,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:21:09,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:21:09,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:21:09,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:21:09,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:21:09,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:21:09,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:21:09,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:21:09,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:21:09,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:21:09,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:21:09,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:21:09,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:21:09,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:21:09,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:21:09,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:21:09,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:21:09,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:21:09,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:21:09,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:21:09,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:21:09,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:21:09,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:21:09,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:21:09,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:21:09,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:21:09,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:21:09,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:21:09,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:21:09,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:21:09,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:21:09,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:21:09,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:21:09,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:21:09,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:21:09,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:21:09,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:21:09,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:21:09,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:21:09,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:21:09,453 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:21:09,453 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:21:09,453 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:21:09,453 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:21:09,454 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:21:09,454 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:21:09,454 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:21:09,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:21:09,455 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:21:09,455 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:21:09,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:21:09,456 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:21:09,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:21:09,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:21:09,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:21:09,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:21:09,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:21:09,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:21:09,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:21:09,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:21:09,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:21:09,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:21:09,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:21:09,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:21:09,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:21:09,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:21:09,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:21:09,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:21:09,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:21:09,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:21:09,462 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:21:09,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:21:09,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:21:09,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:21:09,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:21:09,463 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_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2021-11-23 02:21:09,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:21:09,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:21:09,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:21:09,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:21:09,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:21:09,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-23 02:21:09,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/0477e202b/511b039ae16e4f48ac92ab9896238cce/FLAG344d83d0c [2021-11-23 02:21:10,526 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:21:10,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-23 02:21:10,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/0477e202b/511b039ae16e4f48ac92ab9896238cce/FLAG344d83d0c [2021-11-23 02:21:10,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/0477e202b/511b039ae16e4f48ac92ab9896238cce [2021-11-23 02:21:10,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:21:10,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:21:10,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:21:10,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:21:10,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:21:10,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:10" (1/1) ... [2021-11-23 02:21:10,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79212dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:10, skipping insertion in model container [2021-11-23 02:21:10,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:10" (1/1) ... [2021-11-23 02:21:10,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:21:10,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:21:11,211 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_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-23 02:21:11,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:21:11,241 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:21:11,278 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_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-23 02:21:11,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:21:11,300 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:21:11,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11 WrapperNode [2021-11-23 02:21:11,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:21:11,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:21:11,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:21:11,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:21:11,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,356 INFO L137 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2021-11-23 02:21:11,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:21:11,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:21:11,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:21:11,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:21:11,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:21:11,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:21:11,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:21:11,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:21:11,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (1/1) ... [2021-11-23 02:21:11,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:21:11,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:21:11,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:21:11,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:21:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:21:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:21:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:21:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 02:21:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:21:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 02:21:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:21:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:21:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:21:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:21:11,677 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:21:11,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:21:11,941 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:21:11,965 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:21:11,965 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-23 02:21:11,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:11 BoogieIcfgContainer [2021-11-23 02:21:11,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:21:11,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:21:11,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:21:12,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:21:12,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:21:10" (1/3) ... [2021-11-23 02:21:12,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adcef76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:12, skipping insertion in model container [2021-11-23 02:21:12,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:11" (2/3) ... [2021-11-23 02:21:12,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adcef76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:12, skipping insertion in model container [2021-11-23 02:21:12,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:11" (3/3) ... [2021-11-23 02:21:12,005 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2021-11-23 02:21:12,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:21:12,019 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:21:12,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:21:12,097 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 [2021-11-23 02:21:12,098 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:21:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 24 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) [2021-11-23 02:21:12,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:21:12,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:21:12,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:21:12,148 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:21:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:21:12,164 INFO L85 PathProgramCache]: Analyzing trace with hash -918965283, now seen corresponding path program 1 times [2021-11-23 02:21:12,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:21:12,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395941129] [2021-11-23 02:21:12,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:21:12,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:21:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:21:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:12,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:21:12,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395941129] [2021-11-23 02:21:12,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395941129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:21:12,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:21:12,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:21:12,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702071874] [2021-11-23 02:21:12,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:21:12,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:21:12,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:21:12,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:21:12,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:21:12,438 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 24 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) 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) [2021-11-23 02:21:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:21:12,499 INFO L93 Difference]: Finished difference Result 49 states and 79 transitions. [2021-11-23 02:21:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:21:12,503 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 [2021-11-23 02:21:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:21:12,514 INFO L225 Difference]: With dead ends: 49 [2021-11-23 02:21:12,514 INFO L226 Difference]: Without dead ends: 23 [2021-11-23 02:21:12,521 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 [2021-11-23 02:21:12,526 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:21:12,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:21:12,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-23 02:21:12,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-11-23 02:21:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-11-23 02:21:12,570 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 10 [2021-11-23 02:21:12,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:21:12,571 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-11-23 02:21:12,571 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) [2021-11-23 02:21:12,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-23 02:21:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:21:12,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:21:12,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:21:12,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:21:12,573 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:21:12,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:21:12,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1507225320, now seen corresponding path program 1 times [2021-11-23 02:21:12,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:21:12,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739455970] [2021-11-23 02:21:12,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:21:12,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:21:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:21:12,655 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:21:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:21:12,731 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:21:12,731 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:21:12,734 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:21:12,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:21:12,742 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 02:21:12,746 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:21:12,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:21:12 BoogieIcfgContainer [2021-11-23 02:21:12,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:21:12,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:21:12,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:21:12,783 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:21:12,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:11" (3/4) ... [2021-11-23 02:21:12,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:21:12,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:21:12,794 INFO L158 Benchmark]: Toolchain (without parser) took 1922.31ms. Allocated memory is still 102.8MB. Free memory was 58.3MB in the beginning and 34.0MB in the end (delta: 24.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 02:21:12,795 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 102.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:21:12,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.69ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 76.4MB in the end (delta: -18.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:21:12,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.70ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:21:12,797 INFO L158 Benchmark]: Boogie Preprocessor took 55.11ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 73.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:21:12,798 INFO L158 Benchmark]: RCFGBuilder took 556.51ms. Allocated memory is still 102.8MB. Free memory was 73.0MB in the beginning and 59.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 02:21:12,799 INFO L158 Benchmark]: TraceAbstraction took 785.62ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 34.4MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 02:21:12,800 INFO L158 Benchmark]: Witness Printer took 11.00ms. Allocated memory is still 102.8MB. Free memory was 34.4MB in the beginning and 34.0MB in the end (delta: 404.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:21:12,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 102.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.69ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 76.4MB in the end (delta: -18.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.70ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.11ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 73.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.51ms. Allocated memory is still 102.8MB. Free memory was 73.0MB in the beginning and 59.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 785.62ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 34.4MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 11.00ms. Allocated memory is still 102.8MB. Free memory was 34.4MB in the beginning and 34.0MB in the end (delta: 404.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 83, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L83] double x = -0.0; [L84] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=4294967297, x=4294967297] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967297, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967297] [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=4294967297, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967297] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=4294967297, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967297] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=4294967297, exponent_less_1023=1024, lsw=2, msw=-2, signbit=-1, x=4294967297] [L84] RET, EXPR trunc_double(x) [L84] double res = trunc_double(x); [L87] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=4294967296, res == -0.0 && __signbit_double(res) == 1=0, x=4294967297] [L87] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L88] reach_error() VAL [res=4294967296, x=4294967297] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 3 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=25occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-11-23 02:21:12,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:21:15,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:21:15,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:21:15,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:21:15,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:21:15,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:21:15,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:21:15,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:21:15,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:21:15,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:21:15,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:21:15,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:21:15,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:21:15,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:21:15,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:21:15,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:21:15,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:21:15,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:21:15,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:21:15,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:21:15,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:21:15,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:21:15,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:21:15,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:21:15,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:21:15,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:21:15,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:21:15,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:21:15,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:21:15,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:21:15,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:21:15,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:21:15,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:21:15,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:21:15,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:21:15,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:21:15,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:21:15,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:21:15,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:21:15,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:21:15,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:21:15,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:21:15,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:21:15,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:21:15,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:21:15,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:21:15,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:21:15,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:21:15,880 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:21:15,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:21:15,881 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:21:15,881 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:21:15,882 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:21:15,883 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:21:15,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:21:15,885 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:21:15,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:21:15,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:21:15,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:21:15,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:21:15,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:21:15,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:21:15,887 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:21:15,887 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:21:15,888 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:21:15,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:21:15,888 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:21:15,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:21:15,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:21:15,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:21:15,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:21:15,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:21:15,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:21:15,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:21:15,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:21:15,891 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:21:15,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:21:15,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:21:15,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:21:15,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:21:15,893 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_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2021-11-23 02:21:16,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:21:16,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:21:16,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:21:16,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:21:16,435 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:21:16,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-23 02:21:16,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/81c708ae3/f1ce205fd9ae4f0e8ab6e2aacb2013ed/FLAG2275beb98 [2021-11-23 02:21:17,226 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:21:17,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-23 02:21:17,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/81c708ae3/f1ce205fd9ae4f0e8ab6e2aacb2013ed/FLAG2275beb98 [2021-11-23 02:21:17,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/data/81c708ae3/f1ce205fd9ae4f0e8ab6e2aacb2013ed [2021-11-23 02:21:17,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:21:17,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:21:17,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:21:17,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:21:17,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:21:17,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:17" (1/1) ... [2021-11-23 02:21:17,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205b00ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:17, skipping insertion in model container [2021-11-23 02:21:17,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:17" (1/1) ... [2021-11-23 02:21:17,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:21:17,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:21:17,855 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_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-23 02:21:17,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:21:17,932 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:21:17,997 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_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-23 02:21:18,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:21:18,030 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:21:18,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18 WrapperNode [2021-11-23 02:21:18,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:21:18,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:21:18,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:21:18,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:21:18,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,120 INFO L137 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2021-11-23 02:21:18,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:21:18,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:21:18,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:21:18,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:21:18,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:21:18,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:21:18,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:21:18,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:21:18,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (1/1) ... [2021-11-23 02:21:18,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:21:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:21:18,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:21:18,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:21:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:21:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 02:21:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 02:21:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:21:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:21:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 02:21:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:21:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:21:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 02:21:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:21:18,414 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:21:18,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:21:18,742 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:21:18,749 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:21:18,749 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-23 02:21:18,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:18 BoogieIcfgContainer [2021-11-23 02:21:18,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:21:18,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:21:18,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:21:18,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:21:18,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:21:17" (1/3) ... [2021-11-23 02:21:18,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575ce26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:18, skipping insertion in model container [2021-11-23 02:21:18,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:18" (2/3) ... [2021-11-23 02:21:18,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575ce26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:18, skipping insertion in model container [2021-11-23 02:21:18,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:18" (3/3) ... [2021-11-23 02:21:18,763 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2021-11-23 02:21:18,770 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:21:18,770 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:21:18,835 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:21:18,845 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 [2021-11-23 02:21:18,846 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:21:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:21:18,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:21:18,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:21:18,874 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:21:18,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:21:18,908 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2021-11-23 02:21:18,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:21:18,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953640065] [2021-11-23 02:21:18,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:21:18,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:21:18,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:21:18,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:21:18,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:21:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:21:19,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 02:21:19,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:21:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:19,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:21:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:19,261 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:21:19,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953640065] [2021-11-23 02:21:19,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953640065] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:21:19,264 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:21:19,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 02:21:19,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181314671] [2021-11-23 02:21:19,269 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:21:19,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:21:19,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:21:19,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:21:19,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:21:19,327 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:19,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:21:19,353 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2021-11-23 02:21:19,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:21:19,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 02:21:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:21:19,368 INFO L225 Difference]: With dead ends: 54 [2021-11-23 02:21:19,368 INFO L226 Difference]: Without dead ends: 25 [2021-11-23 02:21:19,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:21:19,379 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:21:19,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:21:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-23 02:21:19,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-23 02:21:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-11-23 02:21:19,435 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2021-11-23 02:21:19,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:21:19,435 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-23 02:21:19,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-23 02:21:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:21:19,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:21:19,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:21:19,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:21:19,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:21:19,656 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:21:19,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:21:19,657 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2021-11-23 02:21:19,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:21:19,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040041145] [2021-11-23 02:21:19,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:21:19,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:21:19,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:21:19,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:21:19,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:21:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:21:19,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:21:19,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:21:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:20,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:21:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:20,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:21:20,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040041145] [2021-11-23 02:21:20,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040041145] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:21:20,198 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:21:20,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 02:21:20,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942151000] [2021-11-23 02:21:20,199 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:21:20,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:21:20,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:21:20,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:21:20,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:21:20,203 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:20,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:21:20,283 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2021-11-23 02:21:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:21:20,285 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:21:20,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:21:20,286 INFO L225 Difference]: With dead ends: 45 [2021-11-23 02:21:20,291 INFO L226 Difference]: Without dead ends: 31 [2021-11-23 02:21:20,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:21:20,294 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 16 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:21:20,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 142 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-11-23 02:21:20,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-23 02:21:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2021-11-23 02:21:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:20,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-11-23 02:21:20,304 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2021-11-23 02:21:20,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:21:20,304 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-11-23 02:21:20,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-23 02:21:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:21:20,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:21:20,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:21:20,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:21:20,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:21:20,532 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:21:20,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:21:20,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2089944352, now seen corresponding path program 1 times [2021-11-23 02:21:20,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:21:20,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982210435] [2021-11-23 02:21:20,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:21:20,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:21:20,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:21:20,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:21:20,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 02:21:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:21:20,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:21:20,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:21:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:20,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:21:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:21,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:21:21,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982210435] [2021-11-23 02:21:21,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982210435] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:21:21,022 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:21:21,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 02:21:21,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274123529] [2021-11-23 02:21:21,023 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:21:21,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:21:21,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:21:21,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:21:21,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:21:21,026 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:21,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:21:21,065 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2021-11-23 02:21:21,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:21:21,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 02:21:21,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:21:21,067 INFO L225 Difference]: With dead ends: 31 [2021-11-23 02:21:21,067 INFO L226 Difference]: Without dead ends: 19 [2021-11-23 02:21:21,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:21:21,069 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:21:21,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 66 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-23 02:21:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-23 02:21:21,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-23 02:21:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-11-23 02:21:21,076 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2021-11-23 02:21:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:21:21,077 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-11-23 02:21:21,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-11-23 02:21:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:21:21,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:21:21,078 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:21:21,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:21:21,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:21:21,292 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:21:21,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:21:21,293 INFO L85 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2021-11-23 02:21:21,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:21:21,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001507957] [2021-11-23 02:21:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:21:21,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:21:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:21:21,297 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:21:21,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 02:21:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:21:21,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:21:21,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:21:21,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2021-11-23 02:21:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:21,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:21:21,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2021-11-23 02:21:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:21,752 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:21:21,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001507957] [2021-11-23 02:21:21,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001507957] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:21:21,753 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:21:21,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-23 02:21:21,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131461302] [2021-11-23 02:21:21,753 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:21:21,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 02:21:21,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:21:21,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 02:21:21,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:21:21,756 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:21,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:21:21,959 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-11-23 02:21:21,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:21:21,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-23 02:21:21,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:21:21,961 INFO L225 Difference]: With dead ends: 22 [2021-11-23 02:21:21,961 INFO L226 Difference]: Without dead ends: 19 [2021-11-23 02:21:21,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:21:21,963 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:21:21,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-23 02:21:21,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-23 02:21:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-23 02:21:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-11-23 02:21:21,969 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2021-11-23 02:21:21,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:21:21,970 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-11-23 02:21:21,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:21:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-11-23 02:21:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:21:21,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:21:21,972 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:21:21,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:21:22,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:21:22,173 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:21:22,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:21:22,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2021-11-23 02:21:22,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:21:22,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868208372] [2021-11-23 02:21:22,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:21:22,175 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:21:22,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:21:22,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:21:22,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 02:21:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:21:22,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 02:21:22,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:21:22,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2021-11-23 02:21:22,880 INFO L354 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2021-11-23 02:21:22,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 88 [2021-11-23 02:21:23,800 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-23 02:21:23,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 53 [2021-11-23 02:21:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:24,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:21:25,101 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:21:25,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 97 [2021-11-23 02:21:25,128 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:21:25,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 95 [2021-11-23 02:21:25,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 02:21:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:21:25,335 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:21:25,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868208372] [2021-11-23 02:21:25,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868208372] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:21:25,336 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:21:25,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 20 [2021-11-23 02:21:25,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484528982] [2021-11-23 02:21:25,337 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:21:25,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-23 02:21:25,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:21:25,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-23 02:21:25,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-11-23 02:21:25,339 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 20 states, 20 states have (on average 1.65) internal successors, (33), 20 states have internal predecessors, (33), 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) [2021-11-23 02:21:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:21:25,590 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-11-23 02:21:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 02:21:25,590 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.65) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-23 02:21:25,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:21:25,591 INFO L225 Difference]: With dead ends: 19 [2021-11-23 02:21:25,591 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:21:25,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2021-11-23 02:21:25,593 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:21:25,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 75 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 37 Unchecked, 0.0s Time] [2021-11-23 02:21:25,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:21:25,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:21:25,595 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) [2021-11-23 02:21:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:21:25,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-11-23 02:21:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:21:25,596 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:21:25,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.65) internal successors, (33), 20 states have internal predecessors, (33), 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) [2021-11-23 02:21:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:21:25,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:21:25,604 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:21:25,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:21:25,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:21:25,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:21:25,977 INFO L854 garLoopResultBuilder]: At program point L73(lines 64 74) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short12#1| (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|) (fp.eq |ULTIMATE.start_trunc_double_~x#1| .cse0) (fp.eq |ULTIMATE.start_trunc_double_#res#1| .cse0))) [2021-11-23 02:21:25,977 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 60) no Hoare annotation was computed. [2021-11-23 02:21:25,977 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 02:21:25,977 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 02:21:25,977 INFO L854 garLoopResultBuilder]: At program point L61(lines 19 62) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse5 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9|))) (let ((.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse0 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|)) (.cse2 (select .cse5 (_ bv4 32))) (.cse3 (select .cse5 (_ bv0 32)))) (and (= (select .cse0 (_ bv4 32)) .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse1)) (= .cse3 (_ bv0 32)) (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= (let ((.cse4 (concat .cse2 .cse3))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_trunc_double_#res#1|))))) (fp.eq |ULTIMATE.start_trunc_double_~x#1| (fp.neg (_ +zero 11 53)))) [2021-11-23 02:21:25,978 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 02:21:25,978 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-11-23 02:21:25,978 INFO L858 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-11-23 02:21:25,978 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) |ULTIMATE.start_trunc_double_~x#1|) [2021-11-23 02:21:25,978 INFO L858 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-11-23 02:21:25,979 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-11-23 02:21:25,979 INFO L858 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2021-11-23 02:21:25,979 INFO L854 garLoopResultBuilder]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2021-11-23 02:21:25,979 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 48) no Hoare annotation was computed. [2021-11-23 02:21:25,979 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:21:25,979 INFO L858 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2021-11-23 02:21:25,980 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2021-11-23 02:21:25,980 INFO L858 garLoopResultBuilder]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2021-11-23 02:21:25,980 INFO L854 garLoopResultBuilder]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2021-11-23 02:21:25,980 INFO L858 garLoopResultBuilder]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2021-11-23 02:21:25,980 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed. [2021-11-23 02:21:25,980 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-11-23 02:21:25,981 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2021-11-23 02:21:25,981 INFO L854 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: (let ((.cse6 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short12#1| (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse5 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9|))) (let ((.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse2 (select .cse5 (_ bv4 32))) (.cse4 (select .cse5 (_ bv0 32))) (.cse0 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|))) (and (= (select .cse0 (_ bv4 32)) .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse1)) (= (let ((.cse3 (concat .cse2 .cse4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start___signbit_double_~x#1|) (= .cse4 (_ bv0 32)) (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)))))) (fp.eq |ULTIMATE.start_trunc_double_~x#1| .cse6) (fp.eq |ULTIMATE.start_trunc_double_#res#1| .cse6))) [2021-11-23 02:21:25,981 INFO L854 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= |ULTIMATE.start_trunc_double_~signbit~0#1| (bvand (_ bv2147483648 32) .cse0)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)))))) (bvslt |ULTIMATE.start_trunc_double_~exponent_less_1023~0#1| (_ bv20 32)) (fp.eq |ULTIMATE.start_trunc_double_~x#1| (fp.neg (_ +zero 11 53)))) [2021-11-23 02:21:25,981 INFO L858 garLoopResultBuilder]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2021-11-23 02:21:25,981 INFO L861 garLoopResultBuilder]: At program point L92(lines 76 93) the Hoare annotation is: true [2021-11-23 02:21:25,982 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-23 02:21:25,986 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 02:21:25,988 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:21:26,004 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,005 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,006 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,007 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,008 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,011 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,012 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,014 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,014 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,014 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,014 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,015 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,018 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,019 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,020 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,021 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,023 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,024 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,024 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,024 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,024 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,024 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,025 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,025 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,025 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,025 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,025 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,026 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,028 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,029 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,030 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,030 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,030 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,031 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:21:26 BoogieIcfgContainer [2021-11-23 02:21:26,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:21:26,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:21:26,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:21:26,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:21:26,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:18" (3/4) ... [2021-11-23 02:21:26,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:21:26,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 02:21:26,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 02:21:26,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:21:26,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:21:26,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && signbit == ~bvand32(2147483648bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~bvslt32(exponent_less_1023, 20bv32)) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-23 02:21:26,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-23 02:21:26,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0])) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-23 02:21:26,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && 1bv32 == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-23 02:21:26,105 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:21:26,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:21:26,106 INFO L158 Benchmark]: Toolchain (without parser) took 8566.63ms. Allocated memory was 77.6MB in the beginning and 132.1MB in the end (delta: 54.5MB). Free memory was 60.7MB in the beginning and 82.6MB in the end (delta: -21.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-11-23 02:21:26,106 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:21:26,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.10ms. Allocated memory is still 77.6MB. Free memory was 60.6MB in the beginning and 58.7MB in the end (delta: 1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:21:26,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.17ms. Allocated memory is still 77.6MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:21:26,108 INFO L158 Benchmark]: Boogie Preprocessor took 86.36ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 55.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:21:26,108 INFO L158 Benchmark]: RCFGBuilder took 539.08ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 42.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 02:21:26,109 INFO L158 Benchmark]: TraceAbstraction took 7279.07ms. Allocated memory was 77.6MB in the beginning and 132.1MB in the end (delta: 54.5MB). Free memory was 41.8MB in the beginning and 86.8MB in the end (delta: -45.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 02:21:26,110 INFO L158 Benchmark]: Witness Printer took 71.02ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 82.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:21:26,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.10ms. Allocated memory is still 77.6MB. Free memory was 60.6MB in the beginning and 58.7MB in the end (delta: 1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.17ms. Allocated memory is still 77.6MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.36ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 55.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.08ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 42.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7279.07ms. Allocated memory was 77.6MB in the beginning and 132.1MB in the end (delta: 54.5MB). Free memory was 41.8MB in the beginning and 86.8MB in the end (delta: -45.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 71.02ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 82.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 351 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 62 IncrementalHoareTripleChecker+Unchecked, 255 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 96 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 90 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 248 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 39 QuantifiedInterpolants, 1629 SizeOfPredicates, 35 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 19]: Loop Invariant [2021-11-23 02:21:26,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && 1bv32 == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 67]: Loop Invariant [2021-11-23 02:21:26,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-23 02:21:26,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0])) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 34]: Loop Invariant [2021-11-23 02:21:26,153 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,154 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-23 02:21:26,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-23 02:21:26,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: ((\exists v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && signbit == ~bvand32(2147483648bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~bvslt32(exponent_less_1023, 20bv32)) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:21:26,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89b86b8-dd8b-42d4-9b1d-7c397cce0f03/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE