./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1271b.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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:21:36,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:21:36,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 05:21:36,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:21:36,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:21:37,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:21:37,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:21:37,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:21:37,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:21:37,019 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:21:37,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:21:37,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:21:37,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:21:37,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:21:37,022 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:21:37,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:21:37,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:21:37,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:21:37,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 05:21:37,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:21:37,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:21:37,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:21:37,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:21:37,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:21:37,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:21:37,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:21:37,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:21:37,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:21:37,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:21:37,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:21:37,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:21:37,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:21:37,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:21:37,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:21:37,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:21:37,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:21:37,028 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 05:21:37,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 05:21:37,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:21:37,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:21:37,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:21:37,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:21:37,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2024-11-16 05:21:37,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:21:37,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:21:37,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:21:37,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:21:37,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:21:37,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-11-16 05:21:38,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:21:38,647 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:21:38,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-11-16 05:21:38,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b31cdd5d/e8d72294f34448d9aae8979aa8b593c2/FLAGe30e4bc29 [2024-11-16 05:21:39,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b31cdd5d/e8d72294f34448d9aae8979aa8b593c2 [2024-11-16 05:21:39,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:21:39,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:21:39,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:21:39,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:21:39,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:21:39,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160486d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39, skipping insertion in model container [2024-11-16 05:21:39,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:21:39,256 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2024-11-16 05:21:39,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:21:39,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:21:39,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2024-11-16 05:21:39,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:21:39,308 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:21:39,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39 WrapperNode [2024-11-16 05:21:39,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:21:39,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:21:39,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:21:39,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:21:39,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,342 INFO L138 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 263 [2024-11-16 05:21:39,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:21:39,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:21:39,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:21:39,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:21:39,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,371 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-16 05:21:39,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,384 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:21:39,399 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:21:39,399 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:21:39,399 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:21:39,400 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (1/1) ... [2024-11-16 05:21:39,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:21:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:21:39,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 05:21:39,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 05:21:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:21:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 05:21:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 05:21:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 05:21:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 05:21:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 05:21:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 05:21:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-16 05:21:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 05:21:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 05:21:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 05:21:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 05:21:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 05:21:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 05:21:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 05:21:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 05:21:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 05:21:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 05:21:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-16 05:21:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-16 05:21:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-16 05:21:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-16 05:21:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-16 05:21:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-16 05:21:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-16 05:21:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-16 05:21:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-16 05:21:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-16 05:21:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-16 05:21:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-16 05:21:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-16 05:21:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-16 05:21:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-16 05:21:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-16 05:21:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-16 05:21:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-11-16 05:21:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:21:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:21:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-16 05:21:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:21:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-16 05:21:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-16 05:21:39,642 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:21:39,644 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:21:39,963 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-16 05:21:39,963 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:21:39,982 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:21:39,982 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 05:21:39,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:21:39 BoogieIcfgContainer [2024-11-16 05:21:39,983 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:21:39,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:21:39,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:21:39,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:21:39,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:21:39" (1/3) ... [2024-11-16 05:21:39,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0849f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:21:39, skipping insertion in model container [2024-11-16 05:21:39,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:39" (2/3) ... [2024-11-16 05:21:39,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0849f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:21:39, skipping insertion in model container [2024-11-16 05:21:39,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:21:39" (3/3) ... [2024-11-16 05:21:39,990 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2024-11-16 05:21:40,002 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:21:40,002 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:21:40,043 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:21:40,047 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;@da968c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:21:40,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:21:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 96 states have (on average 1.65625) internal successors, (159), 97 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:21:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-16 05:21:40,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:21:40,059 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:21:40,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:21:40,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:21:40,063 INFO L85 PathProgramCache]: Analyzing trace with hash 335814024, now seen corresponding path program 1 times [2024-11-16 05:21:40,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:21:40,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426865425] [2024-11-16 05:21:40,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:21:40,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:21:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:21:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:21:40,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 05:21:40,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426865425] [2024-11-16 05:21:40,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426865425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:21:40,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:21:40,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:21:40,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836340669] [2024-11-16 05:21:40,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:21:40,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:21:40,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 05:21:40,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:21:40,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:21:40,283 INFO L87 Difference]: Start difference. First operand has 101 states, 96 states have (on average 1.65625) internal successors, (159), 97 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:40,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:21:40,317 INFO L93 Difference]: Finished difference Result 199 states and 325 transitions. [2024-11-16 05:21:40,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:21:40,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-16 05:21:40,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:21:40,326 INFO L225 Difference]: With dead ends: 199 [2024-11-16 05:21:40,326 INFO L226 Difference]: Without dead ends: 96 [2024-11-16 05:21:40,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:21:40,334 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:21:40,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:21:40,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-16 05:21:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-16 05:21:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.2717391304347827) internal successors, (117), 92 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:21:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 121 transitions. [2024-11-16 05:21:40,362 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 121 transitions. Word has length 18 [2024-11-16 05:21:40,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:21:40,363 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 121 transitions. [2024-11-16 05:21:40,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 121 transitions. [2024-11-16 05:21:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-16 05:21:40,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:21:40,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:21:40,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 05:21:40,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:21:40,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:21:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1333414177, now seen corresponding path program 1 times [2024-11-16 05:21:40,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:21:40,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309644081] [2024-11-16 05:21:40,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:21:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:21:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:21:40,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 05:21:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:21:40,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 05:21:40,560 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 05:21:40,561 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:21:40,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 05:21:40,565 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 05:21:40,583 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:21:40,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:21:40 BoogieIcfgContainer [2024-11-16 05:21:40,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:21:40,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:21:40,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:21:40,586 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:21:40,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:21:39" (3/4) ... [2024-11-16 05:21:40,588 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 05:21:40,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:21:40,589 INFO L158 Benchmark]: Toolchain (without parser) took 1529.68ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 88.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-16 05:21:40,590 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:21:40,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.19ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 98.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 05:21:40,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.91ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:21:40,592 INFO L158 Benchmark]: Boogie Preprocessor took 55.55ms. Allocated memory is still 148.9MB. Free memory was 96.1MB in the beginning and 92.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:21:40,592 INFO L158 Benchmark]: IcfgBuilder took 584.28ms. Allocated memory is still 148.9MB. Free memory was 92.0MB in the beginning and 57.1MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 05:21:40,593 INFO L158 Benchmark]: TraceAbstraction took 600.89ms. Allocated memory is still 148.9MB. Free memory was 57.1MB in the beginning and 89.5MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:21:40,593 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 88.7MB in the end (delta: 827.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:21:40,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.19ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 98.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.91ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.55ms. Allocated memory is still 148.9MB. Free memory was 96.1MB in the beginning and 92.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 584.28ms. Allocated memory is still 148.9MB. Free memory was 92.0MB in the beginning and 57.1MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 600.89ms. Allocated memory is still 148.9MB. Free memory was 57.1MB in the beginning and 89.5MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 88.7MB in the end (delta: 827.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 241]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L234] float x = __VERIFIER_nondet_float(); [L235] float y = 0.0f / 0.0f; [L237] CALL isfinite_float(x) [L217] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L222] COND FALSE !(0) VAL [ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323] [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); VAL [\result=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323] [L237] RET isfinite_float(x) [L237] COND TRUE isfinite_float(x) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323, y=4294967324] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L91] COND FALSE !(0) VAL [ha=-251658242, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323, y=4294967324] [L92] ha &= 0x7fffffffL VAL [ha=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323, y=4294967324] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L97] COND FALSE !(0) VAL [ha=1895825406, hb=-1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323, y=4294967324] [L98] hb &= 0x7fffffffL VAL [ha=1895825406, hb=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=4294967323, y=4294967324] [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [a=4294967324, b=4294967323, ha=2147483647, hb=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L113] COND FALSE !(0) VAL [a=4294967320, b=4294967323, ha=2147483647, hb=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L118] COND FALSE !(0) VAL [a=4294967320, b=4294967321, ha=2147483647, hb=1895825406, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [a=4294967320, b=4294967321, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; VAL [\result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 124 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 124 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 05:21:40,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1271b.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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:21:42,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:21:42,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 05:21:42,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:21:42,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:21:42,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:21:42,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:21:42,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:21:42,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:21:42,429 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:21:42,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:21:42,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:21:42,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:21:42,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:21:42,430 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:21:42,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:21:42,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:21:42,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:21:42,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:21:42,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:21:42,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:21:42,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:21:42,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:21:42,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 05:21:42,433 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 05:21:42,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:21:42,433 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 05:21:42,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:21:42,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:21:42,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:21:42,434 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:21:42,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:21:42,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:21:42,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:21:42,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:21:42,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:21:42,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:21:42,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:21:42,435 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 05:21:42,435 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 05:21:42,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:21:42,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:21:42,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:21:42,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:21:42,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2024-11-16 05:21:42,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:21:42,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:21:42,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:21:42,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:21:42,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:21:42,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-11-16 05:21:43,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:21:44,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:21:44,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-11-16 05:21:44,164 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34cc94935/f86fa58c5d8c442d86d5444910ad7b4a/FLAGac3c4f7a5 [2024-11-16 05:21:44,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34cc94935/f86fa58c5d8c442d86d5444910ad7b4a [2024-11-16 05:21:44,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:21:44,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:21:44,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:21:44,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:21:44,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:21:44,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768a3469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44, skipping insertion in model container [2024-11-16 05:21:44,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:21:44,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2024-11-16 05:21:44,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:21:44,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:21:44,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2024-11-16 05:21:44,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:21:44,784 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:21:44,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44 WrapperNode [2024-11-16 05:21:44,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:21:44,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:21:44,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:21:44,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:21:44,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,829 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2024-11-16 05:21:44,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:21:44,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:21:44,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:21:44,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:21:44,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,865 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-16 05:21:44,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,888 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:21:44,911 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:21:44,911 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:21:44,911 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:21:44,911 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (1/1) ... [2024-11-16 05:21:44,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:21:44,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:21:44,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 05:21:44,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 05:21:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:21:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 05:21:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 05:21:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-16 05:21:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-16 05:21:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-16 05:21:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 05:21:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-16 05:21:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-16 05:21:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-16 05:21:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-16 05:21:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-16 05:21:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-16 05:21:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-16 05:21:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-16 05:21:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-16 05:21:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-16 05:21:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-16 05:21:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-16 05:21:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-16 05:21:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-16 05:21:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-16 05:21:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:21:44,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:21:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-16 05:21:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-16 05:21:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-16 05:21:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-16 05:21:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-16 05:21:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-16 05:21:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-16 05:21:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-16 05:21:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-16 05:21:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-16 05:21:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-16 05:21:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-16 05:21:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-16 05:21:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-16 05:21:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-16 05:21:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-16 05:21:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2024-11-16 05:21:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-16 05:21:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-16 05:21:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-16 05:21:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-16 05:21:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-16 05:21:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-16 05:21:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-16 05:21:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-16 05:21:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-16 05:21:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-16 05:21:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-16 05:21:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-16 05:21:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-16 05:21:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-16 05:21:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-16 05:21:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-16 05:21:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-16 05:21:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:21:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-16 05:21:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-16 05:21:45,159 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:21:45,161 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:21:46,999 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-16 05:21:47,000 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:21:47,011 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:21:47,011 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 05:21:47,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:21:47 BoogieIcfgContainer [2024-11-16 05:21:47,013 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:21:47,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:21:47,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:21:47,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:21:47,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:21:44" (1/3) ... [2024-11-16 05:21:47,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ee7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:21:47, skipping insertion in model container [2024-11-16 05:21:47,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:21:44" (2/3) ... [2024-11-16 05:21:47,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ee7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:21:47, skipping insertion in model container [2024-11-16 05:21:47,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:21:47" (3/3) ... [2024-11-16 05:21:47,021 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2024-11-16 05:21:47,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:21:47,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:21:47,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:21:47,084 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;@1914735f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:21:47,084 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:21:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 89 states have (on average 1.6629213483146068) internal successors, (148), 90 states have internal predecessors, (148), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:21:47,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-16 05:21:47,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:21:47,093 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:21:47,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:21:47,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:21:47,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1990242024, now seen corresponding path program 1 times [2024-11-16 05:21:47,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:21:47,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469591265] [2024-11-16 05:21:47,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:21:47,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:47,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:21:47,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 05:21:47,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 05:21:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:21:47,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 05:21:47,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:21:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:21:47,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:21:47,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:21:47,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469591265] [2024-11-16 05:21:47,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469591265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:21:47,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:21:47,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:21:47,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516469516] [2024-11-16 05:21:47,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:21:47,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:21:47,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:21:47,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:21:47,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:21:47,316 INFO L87 Difference]: Start difference. First operand has 94 states, 89 states have (on average 1.6629213483146068) internal successors, (148), 90 states have internal predecessors, (148), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:47,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:21:47,347 INFO L93 Difference]: Finished difference Result 185 states and 303 transitions. [2024-11-16 05:21:47,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:21:47,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-16 05:21:47,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:21:47,355 INFO L225 Difference]: With dead ends: 185 [2024-11-16 05:21:47,355 INFO L226 Difference]: Without dead ends: 89 [2024-11-16 05:21:47,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:21:47,360 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:21:47,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:21:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-16 05:21:47,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-16 05:21:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 85 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:21:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 111 transitions. [2024-11-16 05:21:47,397 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 111 transitions. Word has length 18 [2024-11-16 05:21:47,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:21:47,398 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 111 transitions. [2024-11-16 05:21:47,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:47,399 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2024-11-16 05:21:47,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-16 05:21:47,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:21:47,399 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:21:47,405 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 (2)] Ended with exit code 0 [2024-11-16 05:21:47,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:47,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:21:47,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:21:47,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1076119284, now seen corresponding path program 1 times [2024-11-16 05:21:47,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:21:47,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739019923] [2024-11-16 05:21:47,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:21:47,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:47,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:21:47,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 05:21:47,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 05:21:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:21:47,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-16 05:21:47,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:21:47,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 05:21:47,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-11-16 05:21:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:21:48,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:21:48,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:21:48,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739019923] [2024-11-16 05:21:48,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739019923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:21:48,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:21:48,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 05:21:48,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827829271] [2024-11-16 05:21:48,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:21:48,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 05:21:48,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:21:48,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 05:21:48,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-16 05:21:48,666 INFO L87 Difference]: Start difference. First operand 89 states and 111 transitions. Second operand has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:50,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:21:50,216 INFO L93 Difference]: Finished difference Result 108 states and 135 transitions. [2024-11-16 05:21:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 05:21:50,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-16 05:21:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:21:50,217 INFO L225 Difference]: With dead ends: 108 [2024-11-16 05:21:50,217 INFO L226 Difference]: Without dead ends: 38 [2024-11-16 05:21:50,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-16 05:21:50,219 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 42 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:21:50,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 151 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 185 Invalid, 1 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 05:21:50,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-16 05:21:50,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-16 05:21:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.054054054054054) internal successors, (39), 37 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2024-11-16 05:21:50,224 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 23 [2024-11-16 05:21:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:21:50,224 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2024-11-16 05:21:50,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2024-11-16 05:21:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-16 05:21:50,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:21:50,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:21:50,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 05:21:50,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:50,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:21:50,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:21:50,426 INFO L85 PathProgramCache]: Analyzing trace with hash -445017626, now seen corresponding path program 1 times [2024-11-16 05:21:50,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:21:50,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023913896] [2024-11-16 05:21:50,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:21:50,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:50,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:21:50,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 05:21:50,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-16 05:21:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:21:50,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-16 05:21:50,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:21:51,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:21:51,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:21:51,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:21:51,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023913896] [2024-11-16 05:21:51,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023913896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:21:51,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:21:51,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 05:21:51,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071626707] [2024-11-16 05:21:51,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:21:51,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 05:21:51,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:21:51,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 05:21:51,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 05:21:51,062 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:51,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:21:51,551 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2024-11-16 05:21:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 05:21:51,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-16 05:21:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:21:51,552 INFO L225 Difference]: With dead ends: 44 [2024-11-16 05:21:51,552 INFO L226 Difference]: Without dead ends: 29 [2024-11-16 05:21:51,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-16 05:21:51,553 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 23 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 05:21:51,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 136 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 05:21:51,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-16 05:21:51,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-16 05:21:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0) internal successors, (28), 28 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2024-11-16 05:21:51,556 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 28 [2024-11-16 05:21:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:21:51,557 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2024-11-16 05:21:51,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2024-11-16 05:21:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-16 05:21:51,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:21:51,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:21:51,564 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 (4)] Ended with exit code 0 [2024-11-16 05:21:51,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:51,764 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:21:51,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:21:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash -416388475, now seen corresponding path program 1 times [2024-11-16 05:21:51,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:21:51,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733709384] [2024-11-16 05:21:51,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:21:51,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:21:51,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 05:21:51,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-16 05:21:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:21:51,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-16 05:21:51,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:21:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:21:53,388 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:21:53,388 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:21:53,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733709384] [2024-11-16 05:21:53,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [733709384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:21:53,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:21:53,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 05:21:53,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855549781] [2024-11-16 05:21:53,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:21:53,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 05:21:53,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:21:53,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 05:21:53,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-16 05:21:53,389 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:56,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:21:56,012 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2024-11-16 05:21:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 05:21:56,013 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-16 05:21:56,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:21:56,013 INFO L225 Difference]: With dead ends: 29 [2024-11-16 05:21:56,013 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 05:21:56,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-16 05:21:56,014 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 17 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 05:21:56,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 110 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 05:21:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 05:21:56,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 05:21:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 05:21:56,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-16 05:21:56,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:21:56,015 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 05:21:56,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:21:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 05:21:56,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 05:21:56,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:21:56,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-16 05:21:56,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 05:21:56,220 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 05:21:56,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 05:21:56,561 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:21:56,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-16 05:21:56,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-16 05:21:56,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-16 05:21:56,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-16 05:21:56,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-16 05:21:56,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:21:56 BoogieIcfgContainer [2024-11-16 05:21:56,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:21:56,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:21:56,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:21:56,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:21:56,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:21:47" (3/4) ... [2024-11-16 05:21:56,580 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 05:21:56,583 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2024-11-16 05:21:56,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2024-11-16 05:21:56,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-16 05:21:56,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-16 05:21:56,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 05:21:56,670 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 05:21:56,670 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 05:21:56,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:21:56,671 INFO L158 Benchmark]: Toolchain (without parser) took 12154.50ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 55.0MB in the beginning and 29.0MB in the end (delta: 26.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-11-16 05:21:56,671 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:21:56,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.13ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 37.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 05:21:56,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.43ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 35.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:21:56,672 INFO L158 Benchmark]: Boogie Preprocessor took 80.21ms. Allocated memory is still 77.6MB. Free memory was 35.5MB in the beginning and 30.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:21:56,672 INFO L158 Benchmark]: IcfgBuilder took 2102.08ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 30.7MB in the beginning and 52.6MB in the end (delta: -21.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-16 05:21:56,672 INFO L158 Benchmark]: TraceAbstraction took 9563.22ms. Allocated memory is still 104.9MB. Free memory was 51.4MB in the beginning and 36.2MB in the end (delta: 15.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-16 05:21:56,673 INFO L158 Benchmark]: Witness Printer took 93.17ms. Allocated memory is still 104.9MB. Free memory was 36.2MB in the beginning and 29.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 05:21:56,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.13ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 37.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.43ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 35.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.21ms. Allocated memory is still 77.6MB. Free memory was 35.5MB in the beginning and 30.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 2102.08ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 30.7MB in the beginning and 52.6MB in the end (delta: -21.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9563.22ms. Allocated memory is still 104.9MB. Free memory was 51.4MB in the beginning and 36.2MB in the end (delta: 15.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 93.17ms. Allocated memory is still 104.9MB. Free memory was 36.2MB in the beginning and 29.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: QuantifierExpression - 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: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 241]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 513 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 342 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 407 IncrementalHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 171 mSDtfsCounter, 407 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 41, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 93 ConstructedInterpolants, 37 QuantifiedInterpolants, 1189 SizeOfPredicates, 13 NumberOfNonLiveVariables, 387 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Location Invariant Derived location invariant: null - InvariantResult [Line: 75]: Location Invariant Derived location invariant: null - InvariantResult [Line: 202]: Location Invariant Derived location invariant: null - InvariantResult [Line: 52]: Location Invariant Derived location invariant: null - InvariantResult [Line: 163]: Location Invariant Derived location invariant: null - InvariantResult [Line: 83]: Location Invariant Derived location invariant: null - InvariantResult [Line: 187]: Location Invariant Derived location invariant: null - InvariantResult [Line: 159]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 87]: Location Invariant Derived location invariant: null - InvariantResult [Line: 193]: Location Invariant Derived location invariant: null - InvariantResult [Line: 218]: Location Invariant Derived location invariant: null - InvariantResult [Line: 38]: Location Invariant Derived location invariant: null - InvariantResult [Line: 21]: Location Invariant Derived location invariant: null - InvariantResult [Line: 109]: Location Invariant Derived location invariant: null - InvariantResult [Line: 123]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 178]: Location Invariant Derived location invariant: null - InvariantResult [Line: 151]: Location Invariant Derived location invariant: null - InvariantResult [Line: 136]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 16]: Procedure Contract for __ieee754_sqrtf Derived contract for procedure __ieee754_sqrtf. Requires: 0 Ensures: (0 && ((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 05:21:56,780 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