./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 20:52:18,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 20:52:18,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 20:52:18,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 20:52:18,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 20:52:18,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 20:52:18,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 20:52:18,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 20:52:18,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 20:52:18,708 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 20:52:18,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 20:52:18,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 20:52:18,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 20:52:18,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 20:52:18,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 20:52:18,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 20:52:18,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 20:52:18,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 20:52:18,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 20:52:18,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 20:52:18,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 20:52:18,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 20:52:18,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 20:52:18,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 20:52:18,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 20:52:18,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 20:52:18,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 20:52:18,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 20:52:18,717 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 20:52:18,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 20:52:18,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 20:52:18,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 20:52:18,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:52:18,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 20:52:18,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 20:52:18,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 20:52:18,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 20:52:18,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 20:52:18,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 20:52:18,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 20:52:18,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 20:52:18,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 20:52:18,721 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2024-11-09 20:52:19,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 20:52:19,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 20:52:19,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 20:52:19,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 20:52:19,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 20:52:19,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-09 20:52:20,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 20:52:20,744 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 20:52:20,745 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-09 20:52:20,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb44ef3b/c131def812854f689bfa4a08c31d368a/FLAGfbbc5840d [2024-11-09 20:52:20,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb44ef3b/c131def812854f689bfa4a08c31d368a [2024-11-09 20:52:20,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 20:52:20,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 20:52:20,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 20:52:20,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 20:52:20,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 20:52:20,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:52:20" (1/1) ... [2024-11-09 20:52:20,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581d6fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:20, skipping insertion in model container [2024-11-09 20:52:20,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:52:20" (1/1) ... [2024-11-09 20:52:20,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 20:52:21,148 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2024-11-09 20:52:21,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:52:21,165 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 20:52:21,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2024-11-09 20:52:21,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:52:21,246 INFO L204 MainTranslator]: Completed translation [2024-11-09 20:52:21,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21 WrapperNode [2024-11-09 20:52:21,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 20:52:21,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 20:52:21,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 20:52:21,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 20:52:21,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,309 INFO L138 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 263 [2024-11-09 20:52:21,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 20:52:21,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 20:52:21,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 20:52:21,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 20:52:21,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,353 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-09 20:52:21,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 20:52:21,386 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 20:52:21,386 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 20:52:21,386 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 20:52:21,387 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (1/1) ... [2024-11-09 20:52:21,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:52:21,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 20:52:21,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 20:52:21,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 20:52:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 20:52:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 20:52:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 20:52:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 20:52:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 20:52:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 20:52:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 20:52:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 20:52:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 20:52:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 20:52:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 20:52:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-09 20:52:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-09 20:52:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-09 20:52:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-09 20:52:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-09 20:52:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-09 20:52:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-09 20:52:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-11-09 20:52:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 20:52:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 20:52:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 20:52:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 20:52:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 20:52:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 20:52:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 20:52:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 20:52:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 20:52:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 20:52:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 20:52:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 20:52:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 20:52:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 20:52:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-09 20:52:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-09 20:52:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-09 20:52:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-09 20:52:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-09 20:52:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-09 20:52:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-09 20:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-09 20:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-09 20:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-09 20:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-09 20:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-09 20:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-09 20:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-09 20:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-09 20:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-09 20:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-09 20:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-09 20:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-09 20:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-11-09 20:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 20:52:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 20:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 20:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 20:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 20:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 20:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 20:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 20:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 20:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 20:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 20:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 20:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 20:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 20:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 20:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 20:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-09 20:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-09 20:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-09 20:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 20:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-09 20:52:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-09 20:52:21,651 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 20:52:21,653 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 20:52:22,091 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-09 20:52:22,091 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 20:52:22,119 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 20:52:22,120 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 20:52:22,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:52:22 BoogieIcfgContainer [2024-11-09 20:52:22,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 20:52:22,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 20:52:22,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 20:52:22,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 20:52:22,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:52:20" (1/3) ... [2024-11-09 20:52:22,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb4490d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:52:22, skipping insertion in model container [2024-11-09 20:52:22,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:21" (2/3) ... [2024-11-09 20:52:22,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb4490d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:52:22, skipping insertion in model container [2024-11-09 20:52:22,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:52:22" (3/3) ... [2024-11-09 20:52:22,128 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2024-11-09 20:52:22,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 20:52:22,144 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 20:52:22,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 20:52:22,211 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5e049f4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 20:52:22,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 20:52:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 96 states have (on average 1.65625) internal successors, (159), 97 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 20:52:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 20:52:22,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:22,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:22,222 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:22,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:22,230 INFO L85 PathProgramCache]: Analyzing trace with hash 335814024, now seen corresponding path program 1 times [2024-11-09 20:52:22,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 20:52:22,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48550519] [2024-11-09 20:52:22,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:22,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 20:52:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:52:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:52:22,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 20:52:22,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48550519] [2024-11-09 20:52:22,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48550519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:52:22,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:52:22,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 20:52:22,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34258169] [2024-11-09 20:52:22,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:52:22,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 20:52:22,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 20:52:22,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 20:52:22,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 20:52:22,471 INFO L87 Difference]: Start difference. First operand has 101 states, 96 states have (on average 1.65625) internal successors, (159), 97 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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) [2024-11-09 20:52:22,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 20:52:22,516 INFO L93 Difference]: Finished difference Result 199 states and 325 transitions. [2024-11-09 20:52:22,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 20:52:22,518 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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) Word has length 18 [2024-11-09 20:52:22,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 20:52:22,525 INFO L225 Difference]: With dead ends: 199 [2024-11-09 20:52:22,526 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 20:52:22,529 INFO L431 NwaCegarLoop]: 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 [2024-11-09 20:52:22,532 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 20:52:22,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 20:52:22,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 20:52:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-09 20:52:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.2717391304347827) internal successors, (117), 92 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 20:52:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 121 transitions. [2024-11-09 20:52:22,572 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 121 transitions. Word has length 18 [2024-11-09 20:52:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 20:52:22,572 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 121 transitions. [2024-11-09 20:52:22,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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) [2024-11-09 20:52:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 121 transitions. [2024-11-09 20:52:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 20:52:22,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:22,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:22,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 20:52:22,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:22,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:22,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1333414177, now seen corresponding path program 1 times [2024-11-09 20:52:22,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 20:52:22,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071963830] [2024-11-09 20:52:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:22,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 20:52:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 20:52:22,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 20:52:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 20:52:22,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 20:52:22,899 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 20:52:22,902 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 20:52:22,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 20:52:22,908 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 20:52:22,936 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 20:52:22,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:52:22 BoogieIcfgContainer [2024-11-09 20:52:22,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 20:52:22,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 20:52:22,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 20:52:22,940 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 20:52:22,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:52:22" (3/4) ... [2024-11-09 20:52:22,943 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-09 20:52:22,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 20:52:22,946 INFO L158 Benchmark]: Toolchain (without parser) took 2156.26ms. Allocated memory is still 148.9MB. Free memory was 82.4MB in the beginning and 104.3MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 20:52:22,947 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 20:52:22,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.10ms. Allocated memory is still 148.9MB. Free memory was 82.2MB in the beginning and 116.1MB in the end (delta: -33.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 20:52:22,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.46ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 113.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 20:52:22,948 INFO L158 Benchmark]: Boogie Preprocessor took 75.03ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 109.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 20:52:22,948 INFO L158 Benchmark]: IcfgBuilder took 734.58ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 74.8MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 20:52:22,949 INFO L158 Benchmark]: TraceAbstraction took 817.06ms. Allocated memory is still 148.9MB. Free memory was 74.3MB in the beginning and 104.3MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 20:52:22,949 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 148.9MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 20:52:22,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.10ms. Allocated memory is still 148.9MB. Free memory was 82.2MB in the beginning and 116.1MB in the end (delta: -33.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.46ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 113.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.03ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 109.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 734.58ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 74.8MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 817.06ms. Allocated memory is still 148.9MB. Free memory was 74.3MB in the beginning and 104.3MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 148.9MB. Free memory is still 104.3MB. 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: 241]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L234] float x = 0.0f / 0.0f; [L235] float y = __VERIFIER_nondet_float(); [L237] CALL isfinite_float(y) [L217] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450970] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L222] COND FALSE !(0) VAL [ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450970] [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); VAL [\result=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450970] [L237] RET isfinite_float(y) [L237] COND TRUE isfinite_float(y) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450972, y=6442450970] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L91] COND FALSE !(0) VAL [ha=-251658242, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450972, y=6442450970] [L92] ha &= 0x7fffffffL VAL [ha=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450972, y=6442450970] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L97] COND FALSE !(0) VAL [ha=1895825406, hb=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450972, y=6442450970] [L98] hb &= 0x7fffffffL VAL [ha=1895825406, hb=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450972, y=6442450970] [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [a=6442450970, b=6442450972, ha=2147483647, hb=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L113] COND FALSE !(0) VAL [a=6442450971, b=6442450972, ha=2147483647, hb=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L118] COND FALSE !(0) VAL [a=6442450971, b=6442450968, ha=2147483647, hb=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [a=6442450971, b=6442450968, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; VAL [\result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 101 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, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 124 mSDtfsCounter, 2 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=101occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 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 [2024-11-09 20:52:22,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 20:52:25,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 20:52:25,276 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 20:52:25,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 20:52:25,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 20:52:25,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 20:52:25,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 20:52:25,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 20:52:25,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 20:52:25,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 20:52:25,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 20:52:25,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 20:52:25,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 20:52:25,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 20:52:25,325 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 20:52:25,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 20:52:25,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 20:52:25,326 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 20:52:25,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 20:52:25,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 20:52:25,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 20:52:25,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 20:52:25,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 20:52:25,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 20:52:25,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 20:52:25,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 20:52:25,335 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 20:52:25,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 20:52:25,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 20:52:25,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 20:52:25,336 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 20:52:25,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 20:52:25,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 20:52:25,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 20:52:25,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:52:25,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 20:52:25,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 20:52:25,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 20:52:25,339 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 20:52:25,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 20:52:25,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 20:52:25,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 20:52:25,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 20:52:25,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 20:52:25,340 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2024-11-09 20:52:25,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 20:52:25,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 20:52:25,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 20:52:25,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 20:52:25,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 20:52:25,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-09 20:52:27,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 20:52:27,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 20:52:27,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-09 20:52:27,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5e9cd474/d8a251d0305240ef9051476c8f95b63f/FLAG3fa21c570 [2024-11-09 20:52:27,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5e9cd474/d8a251d0305240ef9051476c8f95b63f [2024-11-09 20:52:27,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 20:52:27,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 20:52:27,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 20:52:27,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 20:52:27,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 20:52:27,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:52:27" (1/1) ... [2024-11-09 20:52:27,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aede68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:27, skipping insertion in model container [2024-11-09 20:52:27,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:52:27" (1/1) ... [2024-11-09 20:52:27,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 20:52:27,977 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2024-11-09 20:52:27,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:52:28,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 20:52:28,067 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2024-11-09 20:52:28,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:52:28,093 INFO L204 MainTranslator]: Completed translation [2024-11-09 20:52:28,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28 WrapperNode [2024-11-09 20:52:28,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 20:52:28,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 20:52:28,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 20:52:28,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 20:52:28,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,159 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2024-11-09 20:52:28,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 20:52:28,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 20:52:28,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 20:52:28,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 20:52:28,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,218 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-09 20:52:28,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 20:52:28,275 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 20:52:28,275 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 20:52:28,275 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 20:52:28,276 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (1/1) ... [2024-11-09 20:52:28,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:52:28,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 20:52:28,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 20:52:28,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 20:52:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 20:52:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 20:52:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 20:52:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 20:52:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 20:52:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 20:52:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 20:52:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 20:52:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 20:52:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 20:52:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 20:52:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-09 20:52:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-09 20:52:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-09 20:52:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-09 20:52:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2024-11-09 20:52:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-09 20:52:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-09 20:52:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-09 20:52:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-09 20:52:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-09 20:52:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-09 20:52:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-09 20:52:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-09 20:52:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-09 20:52:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-09 20:52:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-09 20:52:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-09 20:52:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-09 20:52:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-09 20:52:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-09 20:52:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-09 20:52:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-09 20:52:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 20:52:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 20:52:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-09 20:52:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-09 20:52:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-09 20:52:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-09 20:52:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-09 20:52:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-09 20:52:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-09 20:52:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-09 20:52:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-09 20:52:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-09 20:52:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-09 20:52:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-09 20:52:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-09 20:52:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-09 20:52:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-09 20:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-09 20:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2024-11-09 20:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-09 20:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-09 20:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-09 20:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-09 20:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-09 20:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-09 20:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-09 20:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-09 20:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-09 20:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-09 20:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-09 20:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-09 20:52:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-09 20:52:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-09 20:52:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-09 20:52:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-09 20:52:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-09 20:52:28,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 20:52:28,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-09 20:52:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-09 20:52:28,605 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 20:52:28,608 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 20:52:30,648 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-09 20:52:30,649 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 20:52:30,675 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 20:52:30,676 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 20:52:30,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:52:30 BoogieIcfgContainer [2024-11-09 20:52:30,676 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 20:52:30,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 20:52:30,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 20:52:30,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 20:52:30,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:52:27" (1/3) ... [2024-11-09 20:52:30,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156f9061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:52:30, skipping insertion in model container [2024-11-09 20:52:30,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:52:28" (2/3) ... [2024-11-09 20:52:30,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156f9061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:52:30, skipping insertion in model container [2024-11-09 20:52:30,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:52:30" (3/3) ... [2024-11-09 20:52:30,691 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2024-11-09 20:52:30,709 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 20:52:30,709 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 20:52:30,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 20:52:30,792 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8623313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 20:52:30,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 20:52:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 89 states have (on average 1.6629213483146068) internal successors, (148), 90 states have internal predecessors, (148), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 20:52:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 20:52:30,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:30,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:30,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:30,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1990242024, now seen corresponding path program 1 times [2024-11-09 20:52:30,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 20:52:30,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686204169] [2024-11-09 20:52:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:30,823 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:30,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 20:52:30,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 20:52:30,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 20:52:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:52:31,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 20:52:31,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 20:52:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:52:31,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 20:52:31,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 20:52:31,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686204169] [2024-11-09 20:52:31,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686204169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:52:31,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:52:31,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 20:52:31,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986559097] [2024-11-09 20:52:31,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:52:31,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 20:52:31,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 20:52:31,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 20:52:31,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 20:52:31,120 INFO L87 Difference]: Start difference. First operand has 94 states, 89 states have (on average 1.6629213483146068) internal successors, (148), 90 states have internal predecessors, (148), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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) [2024-11-09 20:52:31,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 20:52:31,163 INFO L93 Difference]: Finished difference Result 185 states and 303 transitions. [2024-11-09 20:52:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 20:52:31,166 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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) Word has length 18 [2024-11-09 20:52:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 20:52:31,174 INFO L225 Difference]: With dead ends: 185 [2024-11-09 20:52:31,174 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 20:52:31,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 20:52:31,183 INFO L432 NwaCegarLoop]: 116 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, 116 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 [2024-11-09 20:52:31,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 20:52:31,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 20:52:31,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-09 20:52:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 85 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 20:52:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 111 transitions. [2024-11-09 20:52:31,235 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 111 transitions. Word has length 18 [2024-11-09 20:52:31,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 20:52:31,235 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 111 transitions. [2024-11-09 20:52:31,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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) [2024-11-09 20:52:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2024-11-09 20:52:31,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 20:52:31,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:31,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:31,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 20:52:31,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:31,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:31,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:31,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1076119284, now seen corresponding path program 1 times [2024-11-09 20:52:31,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 20:52:31,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367991141] [2024-11-09 20:52:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:31,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:31,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 20:52:31,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 20:52:31,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 20:52:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:52:31,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 20:52:31,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 20:52:31,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 20:52:31,915 INFO L378 Elim1Store]: Elim1 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 32 treesize of output 16 [2024-11-09 20:52:32,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:52:32,600 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 20:52:32,600 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 20:52:32,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367991141] [2024-11-09 20:52:32,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367991141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:52:32,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:52:32,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 20:52:32,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686508038] [2024-11-09 20:52:32,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:52:32,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 20:52:32,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 20:52:32,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 20:52:32,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 20:52:32,606 INFO L87 Difference]: Start difference. First operand 89 states and 111 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:52:33,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 20:52:33,695 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2024-11-09 20:52:33,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 20:52:33,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 20:52:33,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 20:52:33,697 INFO L225 Difference]: With dead ends: 104 [2024-11-09 20:52:33,697 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 20:52:33,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-09 20:52:33,699 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 24 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 20:52:33,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 98 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 20:52:33,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 20:52:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-09 20:52:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:52:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-11-09 20:52:33,705 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 23 [2024-11-09 20:52:33,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 20:52:33,706 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-11-09 20:52:33,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:52:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-09 20:52:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 20:52:33,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:33,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:33,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 20:52:33,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:33,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:33,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:33,918 INFO L85 PathProgramCache]: Analyzing trace with hash 879605779, now seen corresponding path program 1 times [2024-11-09 20:52:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 20:52:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326860222] [2024-11-09 20:52:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:33,919 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:33,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 20:52:33,922 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 20:52:33,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 20:52:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:52:34,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 20:52:34,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 20:52:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:52:35,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 20:52:35,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 20:52:35,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326860222] [2024-11-09 20:52:35,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326860222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:52:35,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:52:35,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 20:52:35,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339378214] [2024-11-09 20:52:35,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:52:35,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 20:52:35,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 20:52:35,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 20:52:35,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-09 20:52:35,401 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:52:36,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 20:52:36,925 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2024-11-09 20:52:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 20:52:36,926 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 20:52:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 20:52:36,927 INFO L225 Difference]: With dead ends: 39 [2024-11-09 20:52:36,927 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 20:52:36,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-09 20:52:36,928 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 42 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 20:52:36,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 113 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 20:52:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 20:52:36,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2024-11-09 20:52:36,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 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) [2024-11-09 20:52:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-11-09 20:52:36,942 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 23 [2024-11-09 20:52:36,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 20:52:36,942 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-11-09 20:52:36,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:52:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-09 20:52:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 20:52:36,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:36,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:36,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 20:52:37,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:37,144 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:37,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:37,146 INFO L85 PathProgramCache]: Analyzing trace with hash -445017626, now seen corresponding path program 1 times [2024-11-09 20:52:37,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 20:52:37,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128085691] [2024-11-09 20:52:37,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:37,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:37,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 20:52:37,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 20:52:37,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 20:52:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:52:37,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 20:52:37,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 20:52:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:52:37,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 20:52:37,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 20:52:37,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128085691] [2024-11-09 20:52:37,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128085691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:52:37,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:52:37,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 20:52:37,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291223161] [2024-11-09 20:52:37,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:52:37,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 20:52:37,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 20:52:37,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 20:52:37,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 20:52:37,820 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-09 20:52:38,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 20:52:38,390 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2024-11-09 20:52:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 20:52:38,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 28 [2024-11-09 20:52:38,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 20:52:38,391 INFO L225 Difference]: With dead ends: 44 [2024-11-09 20:52:38,392 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 20:52:38,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-09 20:52:38,393 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 20:52:38,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 70 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 20:52:38,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 20:52:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 20:52:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.054054054054054) internal successors, (39), 37 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:52:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2024-11-09 20:52:38,402 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 28 [2024-11-09 20:52:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 20:52:38,403 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2024-11-09 20:52:38,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-09 20:52:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2024-11-09 20:52:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 20:52:38,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:38,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:38,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 20:52:38,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:38,605 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:38,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:38,605 INFO L85 PathProgramCache]: Analyzing trace with hash -416388475, now seen corresponding path program 1 times [2024-11-09 20:52:38,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 20:52:38,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32475800] [2024-11-09 20:52:38,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:38,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 20:52:38,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 20:52:38,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 20:52:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:52:38,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 20:52:38,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 20:52:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:52:39,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 20:52:39,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 20:52:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32475800] [2024-11-09 20:52:39,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32475800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:52:39,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:52:39,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 20:52:39,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117637693] [2024-11-09 20:52:39,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:52:39,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 20:52:39,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 20:52:39,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 20:52:39,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 20:52:39,703 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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) [2024-11-09 20:52:40,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 20:52:40,849 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2024-11-09 20:52:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 20:52:40,849 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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 28 [2024-11-09 20:52:40,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 20:52:40,850 INFO L225 Difference]: With dead ends: 44 [2024-11-09 20:52:40,850 INFO L226 Difference]: Without dead ends: 29 [2024-11-09 20:52:40,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-09 20:52:40,851 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 24 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 20:52:40,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 153 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 20:52:40,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-09 20:52:40,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-09 20:52:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0) internal successors, (28), 28 states have internal predecessors, (28), 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) [2024-11-09 20:52:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2024-11-09 20:52:40,857 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 28 [2024-11-09 20:52:40,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 20:52:40,858 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2024-11-09 20:52:40,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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) [2024-11-09 20:52:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2024-11-09 20:52:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 20:52:40,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:52:40,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:52:40,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-09 20:52:41,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:41,060 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:52:41,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:52:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1091163334, now seen corresponding path program 1 times [2024-11-09 20:52:41,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 20:52:41,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887978800] [2024-11-09 20:52:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:52:41,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:41,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 20:52:41,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 20:52:41,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 20:52:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:52:41,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 20:52:41,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 20:52:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:52:43,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 20:52:43,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 20:52:43,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887978800] [2024-11-09 20:52:43,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887978800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:52:43,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:52:43,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 20:52:43,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162801990] [2024-11-09 20:52:43,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:52:43,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 20:52:43,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 20:52:43,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 20:52:43,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-09 20:52:43,472 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 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) [2024-11-09 20:52:46,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 20:52:46,355 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2024-11-09 20:52:46,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 20:52:46,355 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 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 28 [2024-11-09 20:52:46,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 20:52:46,355 INFO L225 Difference]: With dead ends: 29 [2024-11-09 20:52:46,355 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 20:52:46,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-09 20:52:46,356 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 20:52:46,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 102 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 20:52:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 20:52:46,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 20:52:46,358 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) [2024-11-09 20:52:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 20:52:46,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-09 20:52:46,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 20:52:46,359 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 20:52:46,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 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) [2024-11-09 20:52:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 20:52:46,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 20:52:46,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 20:52:46,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 20:52:46,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:52:46,567 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-09 20:52:46,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 20:52:47,710 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 20:52:47,724 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-09 20:52:47,725 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 20:52:47,725 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 20:52:47,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 20:52:47,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 20:52:47,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:52:47 BoogieIcfgContainer [2024-11-09 20:52:47,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 20:52:47,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 20:52:47,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 20:52:47,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 20:52:47,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:52:30" (3/4) ... [2024-11-09 20:52:47,748 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-09 20:52:47,752 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2024-11-09 20:52:47,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2024-11-09 20:52:47,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-09 20:52:47,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 20:52:47,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 20:52:47,874 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 20:52:47,875 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 20:52:47,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 20:52:47,876 INFO L158 Benchmark]: Toolchain (without parser) took 20207.89ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 29.7MB in the beginning and 36.9MB in the end (delta: -7.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 20:52:47,876 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 39.8MB. Free memory was 16.0MB in the beginning and 16.0MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 20:52:47,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.23ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.6MB in the beginning and 45.9MB in the end (delta: -16.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-09 20:52:47,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.84ms. Allocated memory is still 75.5MB. Free memory was 45.9MB in the beginning and 43.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 20:52:47,877 INFO L158 Benchmark]: Boogie Preprocessor took 109.50ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 38.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 20:52:47,877 INFO L158 Benchmark]: IcfgBuilder took 2401.54ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 50.8MB in the end (delta: -12.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-09 20:52:47,877 INFO L158 Benchmark]: TraceAbstraction took 17064.89ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.0MB in the beginning and 44.0MB in the end (delta: 6.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-09 20:52:47,878 INFO L158 Benchmark]: Witness Printer took 131.87ms. Allocated memory is still 92.3MB. Free memory was 44.0MB in the beginning and 36.9MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 20:52:47,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 39.8MB. Free memory was 16.0MB in the beginning and 16.0MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.23ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.6MB in the beginning and 45.9MB in the end (delta: -16.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.84ms. Allocated memory is still 75.5MB. Free memory was 45.9MB in the beginning and 43.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.50ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 38.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 2401.54ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 50.8MB in the end (delta: -12.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17064.89ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.0MB in the beginning and 44.0MB in the end (delta: 6.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 131.87ms. Allocated memory is still 92.3MB. Free memory was 44.0MB in the beginning and 36.9MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 241]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 652 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 444 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 433 IncrementalHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 208 mSDtfsCounter, 433 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 56, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 79 QuantifiedInterpolants, 1776 SizeOfPredicates, 20 NumberOfNonLiveVariables, 603 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Location Invariant Derived location invariant: null - InvariantResult [Line: 75]: Location Invariant Derived location invariant: null - InvariantResult [Line: 202]: Location Invariant Derived location invariant: null - InvariantResult [Line: 52]: Location Invariant Derived location invariant: null - InvariantResult [Line: 163]: Location Invariant Derived location invariant: null - InvariantResult [Line: 83]: Location Invariant Derived location invariant: null - InvariantResult [Line: 187]: Location Invariant Derived location invariant: null - InvariantResult [Line: 159]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 87]: Location Invariant Derived location invariant: null - InvariantResult [Line: 193]: Location Invariant Derived location invariant: null - InvariantResult [Line: 218]: Location Invariant Derived location invariant: null - InvariantResult [Line: 38]: Location Invariant Derived location invariant: null - InvariantResult [Line: 21]: Location Invariant Derived location invariant: null - InvariantResult [Line: 109]: Location Invariant Derived location invariant: null - InvariantResult [Line: 123]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 178]: Location Invariant Derived location invariant: null - InvariantResult [Line: 151]: Location Invariant Derived location invariant: null - InvariantResult [Line: 136]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 16]: Procedure Contract for __ieee754_sqrtf Derived contract for procedure __ieee754_sqrtf. Requires: 0 Ensures: (0 && ((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 20:52:47,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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