./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 20:38:09,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 20:38:09,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 20:38:09,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 20:38:09,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 20:38:09,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 20:38:09,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 20:38:09,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 20:38:09,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 20:38:09,230 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 20:38:09,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 20:38:09,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 20:38:09,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 20:38:09,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 20:38:09,232 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 20:38:09,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 20:38:09,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 20:38:09,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 20:38:09,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 20:38:09,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 20:38:09,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 20:38:09,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 20:38:09,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 20:38:09,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 20:38:09,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 20:38:09,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 20:38:09,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 20:38:09,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 20:38:09,237 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 20:38:09,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 20:38:09,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 20:38:09,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 20:38:09,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:38:09,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 20:38:09,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 20:38:09,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 20:38:09,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 20:38:09,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 20:38:09,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 20:38:09,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 20:38:09,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 20:38:09,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 20:38:09,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2024-11-09 20:38:09,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 20:38:09,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 20:38:09,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 20:38:09,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 20:38:09,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 20:38:09,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2024-11-09 20:38:10,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 20:38:10,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 20:38:10,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2024-11-09 20:38:10,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5829f014d/af2a9e8f14434687a1dc3464aa8a94e5/FLAG9b1eb3d2f [2024-11-09 20:38:11,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5829f014d/af2a9e8f14434687a1dc3464aa8a94e5 [2024-11-09 20:38:11,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 20:38:11,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 20:38:11,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 20:38:11,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 20:38:11,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 20:38:11,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3e0fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11, skipping insertion in model container [2024-11-09 20:38:11,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 20:38:11,611 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/double_req_bl_0480.c[5882,5895] [2024-11-09 20:38:11,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:38:11,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 20:38:11,663 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/double_req_bl_0480.c[5882,5895] [2024-11-09 20:38:11,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:38:11,703 INFO L204 MainTranslator]: Completed translation [2024-11-09 20:38:11,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11 WrapperNode [2024-11-09 20:38:11,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 20:38:11,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 20:38:11,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 20:38:11,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 20:38:11,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,770 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 158 [2024-11-09 20:38:11,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 20:38:11,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 20:38:11,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 20:38:11,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 20:38:11,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,793 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,816 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 3, 3, 2, 2, 3]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 2, 1, 1, 2]. [2024-11-09 20:38:11,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,826 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 20:38:11,839 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 20:38:11,839 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 20:38:11,839 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 20:38:11,840 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (1/1) ... [2024-11-09 20:38:11,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:38:11,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 20:38:11,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 20:38:11,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 20:38:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 20:38:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 20:38:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 20:38:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 20:38:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 20:38:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 20:38:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 20:38:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 20:38:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 20:38:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-09 20:38:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-09 20:38:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-09 20:38:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-09 20:38:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-09 20:38:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-09 20:38:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-09 20:38:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 20:38:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 20:38:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 20:38:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 20:38:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 20:38:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 20:38:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 20:38:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-09 20:38:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-09 20:38:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-09 20:38:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-09 20:38:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-09 20:38:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-09 20:38:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-09 20:38:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 20:38:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 20:38:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 20:38:12,043 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 20:38:12,045 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 20:38:12,485 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: havoc __ieee754_acos_~lx~0#1; [2024-11-09 20:38:12,508 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-09 20:38:12,508 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 20:38:12,548 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 20:38:12,548 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 20:38:12,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:38:12 BoogieIcfgContainer [2024-11-09 20:38:12,549 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 20:38:12,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 20:38:12,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 20:38:12,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 20:38:12,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:38:11" (1/3) ... [2024-11-09 20:38:12,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a5d5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:38:12, skipping insertion in model container [2024-11-09 20:38:12,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:11" (2/3) ... [2024-11-09 20:38:12,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a5d5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:38:12, skipping insertion in model container [2024-11-09 20:38:12,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:38:12" (3/3) ... [2024-11-09 20:38:12,558 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2024-11-09 20:38:12,574 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 20:38:12,575 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 20:38:12,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 20:38:12,646 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;@687f0da7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 20:38:12,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 20:38:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 135 states have (on average 1.6) internal successors, (216), 136 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 20:38:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 20:38:12,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:38:12,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:38:12,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:38:12,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:38:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1059816657, now seen corresponding path program 1 times [2024-11-09 20:38:12,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 20:38:12,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730354093] [2024-11-09 20:38:12,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:38:12,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 20:38:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:38:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:38:12,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 20:38:12,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730354093] [2024-11-09 20:38:12,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730354093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:38:12,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:38:12,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 20:38:12,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761506694] [2024-11-09 20:38:12,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:38:12,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 20:38:12,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 20:38:12,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 20:38:12,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 20:38:12,829 INFO L87 Difference]: Start difference. First operand has 140 states, 135 states have (on average 1.6) internal successors, (216), 136 states have internal predecessors, (216), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:38:12,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 20:38:12,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 20:38:12,857 INFO L432 NwaCegarLoop]: 51 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, 51 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 20:38:12,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 20:38:12,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 20:38:12,860 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 20:38:12,864 INFO L158 Benchmark]: Toolchain (without parser) took 1515.65ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 87.6MB in the beginning and 130.9MB in the end (delta: -43.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 20:38:12,864 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 20:38:12,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.58ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 128.1MB in the end (delta: -40.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-09 20:38:12,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.77ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 128.1MB in the beginning and 197.7MB in the end (delta: -69.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-09 20:38:12,866 INFO L158 Benchmark]: Boogie Preprocessor took 63.90ms. Allocated memory is still 226.5MB. Free memory was 197.7MB in the beginning and 192.7MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 20:38:12,866 INFO L158 Benchmark]: IcfgBuilder took 709.67ms. Allocated memory is still 226.5MB. Free memory was 192.7MB in the beginning and 150.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 20:38:12,867 INFO L158 Benchmark]: TraceAbstraction took 311.18ms. Allocated memory is still 226.5MB. Free memory was 149.7MB in the beginning and 130.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 20:38:12,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.58ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 128.1MB in the end (delta: -40.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.77ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 128.1MB in the beginning and 197.7MB in the end (delta: -69.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.90ms. Allocated memory is still 226.5MB. Free memory was 197.7MB in the beginning and 192.7MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 709.67ms. Allocated memory is still 226.5MB. Free memory was 192.7MB in the beginning and 150.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 311.18ms. Allocated memory is still 226.5MB. Free memory was 149.7MB in the beginning and 130.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 20:38:12,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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/double_req_bl_0480.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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 20:38:14,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 20:38:15,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 20:38:15,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 20:38:15,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 20:38:15,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 20:38:15,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 20:38:15,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 20:38:15,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 20:38:15,049 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 20:38:15,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 20:38:15,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 20:38:15,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 20:38:15,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 20:38:15,053 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 20:38:15,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 20:38:15,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 20:38:15,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 20:38:15,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 20:38:15,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 20:38:15,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 20:38:15,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 20:38:15,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 20:38:15,056 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 20:38:15,056 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 20:38:15,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 20:38:15,068 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 20:38:15,068 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 20:38:15,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 20:38:15,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 20:38:15,070 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 20:38:15,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 20:38:15,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 20:38:15,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 20:38:15,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:38:15,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 20:38:15,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 20:38:15,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 20:38:15,071 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 20:38:15,072 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 20:38:15,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 20:38:15,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 20:38:15,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 20:38:15,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 20:38:15,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2024-11-09 20:38:15,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 20:38:15,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 20:38:15,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 20:38:15,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 20:38:15,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 20:38:15,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2024-11-09 20:38:16,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 20:38:16,921 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 20:38:16,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2024-11-09 20:38:16,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84e66497/aebb5ce6a9d347abb21a983921311896/FLAG30e3d86ee [2024-11-09 20:38:16,951 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84e66497/aebb5ce6a9d347abb21a983921311896 [2024-11-09 20:38:16,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 20:38:16,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 20:38:16,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 20:38:16,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 20:38:16,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 20:38:16,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:38:16" (1/1) ... [2024-11-09 20:38:16,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7912c6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:16, skipping insertion in model container [2024-11-09 20:38:16,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:38:16" (1/1) ... [2024-11-09 20:38:16,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 20:38:17,205 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/double_req_bl_0480.c[5882,5895] [2024-11-09 20:38:17,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:38:17,227 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 20:38:17,278 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/double_req_bl_0480.c[5882,5895] [2024-11-09 20:38:17,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 20:38:17,302 INFO L204 MainTranslator]: Completed translation [2024-11-09 20:38:17,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17 WrapperNode [2024-11-09 20:38:17,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 20:38:17,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 20:38:17,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 20:38:17,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 20:38:17,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,352 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 149 [2024-11-09 20:38:17,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 20:38:17,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 20:38:17,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 20:38:17,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 20:38:17,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,397 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 3, 3, 2, 3, 2, 2]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 2, 2, 1, 1, 1, 1]. [2024-11-09 20:38:17,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 20:38:17,433 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 20:38:17,433 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 20:38:17,433 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 20:38:17,434 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (1/1) ... [2024-11-09 20:38:17,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 20:38:17,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 20:38:17,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 20:38:17,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 20:38:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 20:38:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-09 20:38:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-09 20:38:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-09 20:38:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-09 20:38:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-09 20:38:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-09 20:38:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 20:38:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 20:38:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 20:38:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 20:38:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 20:38:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 20:38:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 20:38:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 20:38:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-09 20:38:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-09 20:38:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 20:38:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-09 20:38:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 20:38:17,598 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 20:38:17,599 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 20:38:42,610 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: havoc __ieee754_acos_~lx~0#1; [2024-11-09 20:38:42,627 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-09 20:38:42,627 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 20:38:42,641 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 20:38:42,642 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 20:38:42,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:38:42 BoogieIcfgContainer [2024-11-09 20:38:42,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 20:38:42,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 20:38:42,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 20:38:42,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 20:38:42,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:38:16" (1/3) ... [2024-11-09 20:38:42,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de33e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:38:42, skipping insertion in model container [2024-11-09 20:38:42,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:38:17" (2/3) ... [2024-11-09 20:38:42,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de33e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:38:42, skipping insertion in model container [2024-11-09 20:38:42,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 08:38:42" (3/3) ... [2024-11-09 20:38:42,649 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2024-11-09 20:38:42,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 20:38:42,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 20:38:42,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 20:38:42,726 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;@875470d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 20:38:42,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 20:38:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 73 states have (on average 1.63013698630137) internal successors, (119), 74 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 20:38:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 20:38:42,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 20:38:42,737 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 20:38:42,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 20:38:42,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 20:38:42,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1053047175, now seen corresponding path program 1 times [2024-11-09 20:38:42,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 20:38:42,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003870509] [2024-11-09 20:38:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 20:38:42,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:38:42,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 20:38:42,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 20:38:42,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 20:38:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 20:38:43,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 20:38:43,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 20:38:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 20:38:43,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 20:38:43,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 20:38:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003870509] [2024-11-09 20:38:43,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003870509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 20:38:43,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 20:38:43,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 20:38:43,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486620189] [2024-11-09 20:38:43,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 20:38:43,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 20:38:43,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 20:38:43,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 20:38:43,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 20:38:43,501 INFO L87 Difference]: Start difference. First operand has 78 states, 73 states have (on average 1.63013698630137) internal successors, (119), 74 states have internal predecessors, (119), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 20:38:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 20:38:43,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 20:38:43,520 INFO L432 NwaCegarLoop]: 45 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, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 20:38:43,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 20:38:43,562 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 [2024-11-09 20:38:43,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 20:38:43,727 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 20:38:43,731 INFO L158 Benchmark]: Toolchain (without parser) took 26774.23ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 47.0MB in the beginning and 91.5MB in the end (delta: -44.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-09 20:38:43,732 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 20:38:43,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.67ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 58.9MB in the end (delta: -11.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 20:38:43,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.65ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 20:38:43,733 INFO L158 Benchmark]: Boogie Preprocessor took 78.83ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 52.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 20:38:43,733 INFO L158 Benchmark]: IcfgBuilder took 25209.62ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 50.8MB in the end (delta: 1.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-09 20:38:43,734 INFO L158 Benchmark]: TraceAbstraction took 1086.19ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 91.5MB in the end (delta: -41.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-09 20:38:43,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.67ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 58.9MB in the end (delta: -11.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.65ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.83ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 52.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 25209.62ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 50.8MB in the end (delta: 1.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1086.19ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 91.5MB in the end (delta: -41.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 20:38:43,946 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-09 20:38:44,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null