./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.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 f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:24:56,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:24:56,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 17:24:56,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:24:56,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:24:56,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:24:56,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:24:56,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:24:56,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:24:56,504 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:24:56,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:24:56,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:24:56,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:24:56,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:24:56,506 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:24:56,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:24:56,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:24:56,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:24:56,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 17:24:56,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:24:56,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:24:56,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:24:56,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:24:56,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:24:56,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:24:56,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:24:56,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:24:56,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:24:56,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:24:56,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:24:56,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:24:56,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:24:56,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:24:56,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:24:56,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:24:56,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:24:56,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 17:24:56,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 17:24:56,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:24:56,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:24:56,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:24:56,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:24:56,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2024-10-12 17:24:56,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:24:56,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:24:56,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:24:56,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:24:56,839 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:24:56,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-10-12 17:24:58,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:24:58,448 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:24:58,448 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-10-12 17:24:58,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41997d269/cfc1fceb8a6843d99eb3c2d34f40fbff/FLAG68f50847e [2024-10-12 17:24:58,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41997d269/cfc1fceb8a6843d99eb3c2d34f40fbff [2024-10-12 17:24:58,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:24:58,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:24:58,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:24:58,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:24:58,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:24:58,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:24:58" (1/1) ... [2024-10-12 17:24:58,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50607c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:58, skipping insertion in model container [2024-10-12 17:24:58,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:24:58" (1/1) ... [2024-10-12 17:24:58,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:24:59,080 WARN L248 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_0621b.c[3193,3206] [2024-10-12 17:24:59,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:24:59,100 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:24:59,132 WARN L248 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_0621b.c[3193,3206] [2024-10-12 17:24:59,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:24:59,162 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:24:59,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59 WrapperNode [2024-10-12 17:24:59,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:24:59,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:24:59,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:24:59,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:24:59,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,217 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2024-10-12 17:24:59,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:24:59,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:24:59,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:24:59,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:24:59,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,253 INFO L175 MemorySlicer]: Split 44 memory accesses to 7 slices as follows [2, 7, 7, 2, 22, 2, 2]. 50 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 4, 0, 11, 0, 0]. The 3 writes are split as follows [0, 0, 0, 1, 0, 1, 1]. [2024-10-12 17:24:59,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:24:59,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:24:59,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:24:59,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:24:59,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (1/1) ... [2024-10-12 17:24:59,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:24:59,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:24:59,327 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) [2024-10-12 17:24:59,331 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 [2024-10-12 17:24:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:24:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 17:24:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 17:24:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 17:24:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 17:24:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 17:24:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 17:24:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 17:24:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:24:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 17:24:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-12 17:24:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-12 17:24:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:24:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:24:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 17:24:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 17:24:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 17:24:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-12 17:24:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-12 17:24:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:24:59,557 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:24:59,559 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:24:59,757 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-12 17:24:59,757 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:24:59,793 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:24:59,793 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-12 17:24:59,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:24:59 BoogieIcfgContainer [2024-10-12 17:24:59,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:24:59,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:24:59,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:24:59,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:24:59,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:24:58" (1/3) ... [2024-10-12 17:24:59,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2267aa4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:24:59, skipping insertion in model container [2024-10-12 17:24:59,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:59" (2/3) ... [2024-10-12 17:24:59,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2267aa4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:24:59, skipping insertion in model container [2024-10-12 17:24:59,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:24:59" (3/3) ... [2024-10-12 17:24:59,803 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2024-10-12 17:24:59,820 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:24:59,820 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:24:59,874 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:24:59,881 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;@1f117fdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:24:59,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:24:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.72) internal successors, (43), 26 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:24:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-12 17:24:59,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:24:59,893 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:24:59,893 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:24:59,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:24:59,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1720259342, now seen corresponding path program 1 times [2024-10-12 17:24:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:24:59,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014186805] [2024-10-12 17:24:59,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:24:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:25:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:25:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:25:00,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:25:00,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014186805] [2024-10-12 17:25:00,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014186805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:25:00,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:25:00,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:25:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099649823] [2024-10-12 17:25:00,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:25:00,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:25:00,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:25:00,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:25:00,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:25:00,158 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.72) internal successors, (43), 26 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-12 17:25:00,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:25:00,187 INFO L93 Difference]: Finished difference Result 53 states and 85 transitions. [2024-10-12 17:25:00,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:25:00,190 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-10-12 17:25:00,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:25:00,197 INFO L225 Difference]: With dead ends: 53 [2024-10-12 17:25:00,197 INFO L226 Difference]: Without dead ends: 25 [2024-10-12 17:25:00,200 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 [2024-10-12 17:25:00,206 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 17:25:00,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 17:25:00,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-12 17:25:00,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-12 17:25:00,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 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) [2024-10-12 17:25:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2024-10-12 17:25:00,241 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 8 [2024-10-12 17:25:00,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:25:00,241 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2024-10-12 17:25:00,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-12 17:25:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-10-12 17:25:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-12 17:25:00,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:25:00,243 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:25:00,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 17:25:00,244 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:25:00,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:25:00,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1336708351, now seen corresponding path program 1 times [2024-10-12 17:25:00,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:25:00,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547308419] [2024-10-12 17:25:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:25:00,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:25:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:25:00,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 17:25:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:25:00,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 17:25:00,390 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 17:25:00,392 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:25:00,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 17:25:00,398 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-12 17:25:00,431 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 17:25:00,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:25:00 BoogieIcfgContainer [2024-10-12 17:25:00,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 17:25:00,438 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 17:25:00,438 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 17:25:00,438 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 17:25:00,439 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:24:59" (3/4) ... [2024-10-12 17:25:00,441 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 17:25:00,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 17:25:00,444 INFO L158 Benchmark]: Toolchain (without parser) took 1599.58ms. Allocated memory is still 136.3MB. Free memory was 91.4MB in the beginning and 58.0MB in the end (delta: 33.5MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-10-12 17:25:00,444 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:25:00,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.75ms. Allocated memory is still 136.3MB. Free memory was 91.4MB in the beginning and 77.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-12 17:25:00,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.18ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 17:25:00,446 INFO L158 Benchmark]: Boogie Preprocessor took 71.43ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 71.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 17:25:00,446 INFO L158 Benchmark]: RCFGBuilder took 501.65ms. Allocated memory is still 136.3MB. Free memory was 71.6MB in the beginning and 90.8MB in the end (delta: -19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-12 17:25:00,446 INFO L158 Benchmark]: TraceAbstraction took 640.57ms. Allocated memory is still 136.3MB. Free memory was 90.1MB in the beginning and 58.0MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-12 17:25:00,448 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 136.3MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:25:00,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.75ms. Allocated memory is still 136.3MB. Free memory was 91.4MB in the beginning and 77.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.18ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.43ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 71.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.65ms. Allocated memory is still 136.3MB. Free memory was 71.6MB in the beginning and 90.8MB in the end (delta: -19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 640.57ms. Allocated memory is still 136.3MB. Free memory was 90.1MB in the beginning and 58.0MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 136.3MB. Free memory is still 58.0MB. 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: 132]: 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 131, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L128] float x = -1.0f / 0.0f; [L129] CALL, EXPR atan_float(x) [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-8388607, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000001] [L68] COND TRUE ix >= 0x50800000 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L69] COND TRUE ((ix) > 0x7f800000L) [L70] return x + x; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-8388607, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=1000000000000000000000000000001] [L129] RET, EXPR atan_float(x) [L129] float res = atan_float(x); [L131] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L132] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2024-10-12 17:25:00,499 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.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 f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:25:02,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:25:02,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-12 17:25:02,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:25:02,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:25:02,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:25:02,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:25:02,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:25:02,862 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:25:02,863 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:25:02,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:25:02,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:25:02,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:25:02,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:25:02,865 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:25:02,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:25:02,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:25:02,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:25:02,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:25:02,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:25:02,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:25:02,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:25:02,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:25:02,869 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 17:25:02,869 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 17:25:02,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:25:02,870 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 17:25:02,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:25:02,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:25:02,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:25:02,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:25:02,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:25:02,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:25:02,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:25:02,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:25:02,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:25:02,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:25:02,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:25:02,873 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 17:25:02,873 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 17:25:02,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:25:02,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:25:02,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:25:02,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:25:02,874 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 17:25:02,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2024-10-12 17:25:03,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:25:03,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:25:03,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:25:03,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:25:03,201 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:25:03,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-10-12 17:25:04,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:25:04,996 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:25:04,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2024-10-12 17:25:05,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96c83d5a/33284d8eb9c44c54a877bd00e6e2360c/FLAG986b11e44 [2024-10-12 17:25:05,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96c83d5a/33284d8eb9c44c54a877bd00e6e2360c [2024-10-12 17:25:05,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:25:05,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:25:05,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:25:05,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:25:05,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:25:05,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c48702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05, skipping insertion in model container [2024-10-12 17:25:05,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:25:05,310 WARN L248 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_0621b.c[3193,3206] [2024-10-12 17:25:05,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:25:05,337 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:25:05,385 WARN L248 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_0621b.c[3193,3206] [2024-10-12 17:25:05,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:25:05,419 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:25:05,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05 WrapperNode [2024-10-12 17:25:05,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:25:05,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:25:05,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:25:05,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:25:05,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,482 INFO L138 Inliner]: procedures = 22, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2024-10-12 17:25:05,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:25:05,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:25:05,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:25:05,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:25:05,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,537 INFO L175 MemorySlicer]: Split 44 memory accesses to 7 slices as follows [2, 2, 7, 7, 2, 22, 2]. 50 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 0, 11, 0]. The 3 writes are split as follows [0, 1, 0, 0, 1, 0, 1]. [2024-10-12 17:25:05,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:25:05,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:25:05,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:25:05,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:25:05,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (1/1) ... [2024-10-12 17:25:05,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:25:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:25:05,614 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) [2024-10-12 17:25:05,617 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 [2024-10-12 17:25:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:25:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-10-12 17:25:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-10-12 17:25:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-10-12 17:25:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-10-12 17:25:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-10-12 17:25:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-10-12 17:25:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-10-12 17:25:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 17:25:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-12 17:25:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-12 17:25:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-12 17:25:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-12 17:25:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-12 17:25:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-12 17:25:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:25:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-10-12 17:25:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-10-12 17:25:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-10-12 17:25:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-10-12 17:25:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-10-12 17:25:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-10-12 17:25:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-10-12 17:25:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-12 17:25:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-12 17:25:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-12 17:25:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-12 17:25:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-12 17:25:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-12 17:25:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-12 17:25:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:25:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:25:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-10-12 17:25:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-10-12 17:25:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-10-12 17:25:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-10-12 17:25:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-10-12 17:25:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-10-12 17:25:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-10-12 17:25:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-12 17:25:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-12 17:25:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-12 17:25:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-12 17:25:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-12 17:25:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-12 17:25:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-12 17:25:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:25:05,799 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:25:05,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:25:25,055 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-10-12 17:25:25,055 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:25:25,107 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:25:25,107 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-12 17:25:25,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:25:25 BoogieIcfgContainer [2024-10-12 17:25:25,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:25:25,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:25:25,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:25:25,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:25:25,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:25:05" (1/3) ... [2024-10-12 17:25:25,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522e63f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:25:25, skipping insertion in model container [2024-10-12 17:25:25,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:25:05" (2/3) ... [2024-10-12 17:25:25,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522e63f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:25:25, skipping insertion in model container [2024-10-12 17:25:25,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:25:25" (3/3) ... [2024-10-12 17:25:25,118 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2024-10-12 17:25:25,134 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:25:25,134 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:25:25,185 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:25:25,193 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;@2c950a42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:25:25,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:25:25,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.72) internal successors, (43), 26 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:25:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-12 17:25:25,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:25:25,204 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:25:25,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:25:25,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:25:25,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1720259342, now seen corresponding path program 1 times [2024-10-12 17:25:25,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:25:25,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335790364] [2024-10-12 17:25:25,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:25:25,226 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 [2024-10-12 17:25:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:25:25,229 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) [2024-10-12 17:25:25,231 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 [2024-10-12 17:25:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:25:25,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 17:25:25,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:25:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:25:25,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:25:25,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:25:25,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335790364] [2024-10-12 17:25:25,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335790364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:25:25,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:25:25,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:25:25,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74025887] [2024-10-12 17:25:25,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:25:25,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:25:25,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:25:25,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:25:25,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:25:25,967 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.72) internal successors, (43), 26 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-12 17:25:26,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:25:26,053 INFO L93 Difference]: Finished difference Result 53 states and 85 transitions. [2024-10-12 17:25:26,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:25:26,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-10-12 17:25:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:25:26,063 INFO L225 Difference]: With dead ends: 53 [2024-10-12 17:25:26,063 INFO L226 Difference]: Without dead ends: 25 [2024-10-12 17:25:26,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:25:26,069 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 17:25:26,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 17:25:26,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-12 17:25:26,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-12 17:25:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 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) [2024-10-12 17:25:26,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2024-10-12 17:25:26,105 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 8 [2024-10-12 17:25:26,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:25:26,106 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2024-10-12 17:25:26,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-12 17:25:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-10-12 17:25:26,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-12 17:25:26,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:25:26,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:25:26,142 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 [2024-10-12 17:25:26,309 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 [2024-10-12 17:25:26,310 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:25:26,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:25:26,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1336708351, now seen corresponding path program 1 times [2024-10-12 17:25:26,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:25:26,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016159264] [2024-10-12 17:25:26,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:25:26,312 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 [2024-10-12 17:25:26,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:25:26,315 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) [2024-10-12 17:25:26,316 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 [2024-10-12 17:25:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:25:27,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-12 17:25:27,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:25:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:25:27,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:25:27,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:25:27,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016159264] [2024-10-12 17:25:27,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016159264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:25:27,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:25:27,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:25:27,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662908281] [2024-10-12 17:25:27,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:25:27,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 17:25:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:25:27,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 17:25:27,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 17:25:27,791 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:25:28,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:25:28,632 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2024-10-12 17:25:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 17:25:28,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-12 17:25:28,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:25:28,633 INFO L225 Difference]: With dead ends: 29 [2024-10-12 17:25:28,633 INFO L226 Difference]: Without dead ends: 11 [2024-10-12 17:25:28,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:25:28,634 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-12 17:25:28,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 11 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-12 17:25:28,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-10-12 17:25:28,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-12 17:25:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:25:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2024-10-12 17:25:28,637 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 9 [2024-10-12 17:25:28,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:25:28,638 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2024-10-12 17:25:28,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:25:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-10-12 17:25:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-12 17:25:28,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:25:28,638 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:25:28,663 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 [2024-10-12 17:25:28,839 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 [2024-10-12 17:25:28,839 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:25:28,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:25:28,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1511472939, now seen corresponding path program 1 times [2024-10-12 17:25:28,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:25:28,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908352238] [2024-10-12 17:25:28,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:25:28,841 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 [2024-10-12 17:25:28,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:25:28,845 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) [2024-10-12 17:25:28,846 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 [2024-10-12 17:25:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:25:29,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-12 17:25:29,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:25:30,618 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 87 treesize of output 51 [2024-10-12 17:25:30,652 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 69 treesize of output 33 [2024-10-12 17:25:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:25:31,848 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:25:31,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:25:31,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908352238] [2024-10-12 17:25:31,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908352238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:25:31,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:25:31,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:25:31,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123145417] [2024-10-12 17:25:31,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:25:31,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 17:25:31,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:25:31,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 17:25:31,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 17:25:31,850 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:25:33,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:25:33,116 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2024-10-12 17:25:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 17:25:33,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-12 17:25:33,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:25:33,116 INFO L225 Difference]: With dead ends: 11 [2024-10-12 17:25:33,116 INFO L226 Difference]: Without dead ends: 0 [2024-10-12 17:25:33,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:25:33,117 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 17:25:33,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 17:25:33,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-12 17:25:33,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-12 17:25:33,119 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) [2024-10-12 17:25:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-12 17:25:33,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2024-10-12 17:25:33,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:25:33,120 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 17:25:33,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:25:33,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-12 17:25:33,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-12 17:25:33,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:25:33,148 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 [2024-10-12 17:25:33,324 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 [2024-10-12 17:25:33,327 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-12 17:25:33,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-12 17:25:33,538 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 17:25:33,552 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-10-12 17:25:33,553 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:25:33,554 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:25:33,554 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-10-12 17:25:33,554 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-12 17:25:33,555 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:25:33,555 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-12 17:25:33,555 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-12 17:25:33,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:25:33 BoogieIcfgContainer [2024-10-12 17:25:33,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 17:25:33,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 17:25:33,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 17:25:33,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 17:25:33,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:25:25" (3/4) ... [2024-10-12 17:25:33,567 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-12 17:25:33,577 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-12 17:25:33,578 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-12 17:25:33,578 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-12 17:25:33,579 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-12 17:25:33,735 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 17:25:33,735 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-12 17:25:33,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 17:25:33,737 INFO L158 Benchmark]: Toolchain (without parser) took 28704.51ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 57.7MB in the end (delta: -14.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-10-12 17:25:33,737 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:25:33,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.69ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 64.6MB in the end (delta: -21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-12 17:25:33,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.10ms. Allocated memory is still 86.0MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 17:25:33,738 INFO L158 Benchmark]: Boogie Preprocessor took 83.81ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 58.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:25:33,738 INFO L158 Benchmark]: RCFGBuilder took 19535.80ms. Allocated memory is still 86.0MB. Free memory was 57.9MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-10-12 17:25:33,738 INFO L158 Benchmark]: TraceAbstraction took 8449.48ms. Allocated memory is still 86.0MB. Free memory was 53.8MB in the beginning and 43.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-10-12 17:25:33,739 INFO L158 Benchmark]: Witness Printer took 172.57ms. Allocated memory is still 86.0MB. Free memory was 43.9MB in the beginning and 57.7MB in the end (delta: -13.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 17:25:33,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.69ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 64.6MB in the end (delta: -21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.10ms. Allocated memory is still 86.0MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.81ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 58.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 19535.80ms. Allocated memory is still 86.0MB. Free memory was 57.9MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8449.48ms. Allocated memory is still 86.0MB. Free memory was 53.8MB in the beginning and 43.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 172.57ms. Allocated memory is still 86.0MB. Free memory was 43.9MB in the beginning and 57.7MB in the end (delta: -13.9MB). Peak memory consumption was 2.1MB. 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: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - 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: Unknown variable: currentRoundingMode - 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: 132]: 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 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 42 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 7 QuantifiedInterpolants, 647 SizeOfPredicates, 12 NumberOfNonLiveVariables, 202 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 62]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-10-12 17:25:33,869 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 Writing output log to file Ultimate.log Result: TRUE