./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0490b.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/double_req_bl_0490b.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 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:03:40,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:03:40,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 05:03:40,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:03:40,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:03:40,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:03:40,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:03:40,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:03:40,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:03:40,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:03:40,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:03:40,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:03:40,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:03:40,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:03:40,587 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:03:40,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:03:40,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:03:40,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:03:40,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 05:03:40,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:03:40,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:03:40,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:03:40,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:03:40,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:03:40,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:03:40,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:03:40,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:03:40,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:03:40,593 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:03:40,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:03:40,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:03:40,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:03:40,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:03:40,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:03:40,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:03:40,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:03:40,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 05:03:40,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 05:03:40,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:03:40,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:03:40,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:03:40,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:03:40,598 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b [2024-11-16 05:03:40,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:03:40,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:03:40,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:03:40,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:03:40,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:03:40,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-16 05:03:42,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:03:42,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:03:42,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-16 05:03:42,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5855381a/a92f84c60ff546c896584c5afaf582c7/FLAG67548b99e [2024-11-16 05:03:42,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5855381a/a92f84c60ff546c896584c5afaf582c7 [2024-11-16 05:03:42,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:03:42,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:03:42,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:03:42,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:03:42,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:03:42,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:42,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5a951d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42, skipping insertion in model container [2024-11-16 05:03:42,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:42,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:03:42,877 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_0490b.c[5753,5766] [2024-11-16 05:03:42,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:03:42,898 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:03:42,967 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_0490b.c[5753,5766] [2024-11-16 05:03:42,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:03:42,992 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:03:42,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42 WrapperNode [2024-11-16 05:03:42,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:03:42,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:03:42,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:03:42,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:03:43,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,056 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 141 [2024-11-16 05:03:43,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:03:43,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:03:43,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:03:43,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:03:43,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,110 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 2, 3, 2, 3, 3]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 2, 1, 1, 2]. [2024-11-16 05:03:43,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,130 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:03:43,155 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:03:43,155 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:03:43,155 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:03:43,156 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (1/1) ... [2024-11-16 05:03:43,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:03:43,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:03:43,199 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 05:03:43,202 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 05:03:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:03:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 05:03:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 05:03:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 05:03:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 05:03:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 05:03:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 05:03:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:03:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-16 05:03:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-16 05:03:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-16 05:03:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-16 05:03:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-16 05:03:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-16 05:03:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 05:03:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 05:03:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 05:03:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 05:03:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 05:03:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 05:03:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-16 05:03:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-16 05:03:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-16 05:03:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-16 05:03:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-16 05:03:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-16 05:03:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-16 05:03:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-16 05:03:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:03:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:03:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 05:03:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 05:03:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 05:03:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 05:03:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 05:03:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 05:03:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:03:43,384 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:03:43,387 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:03:43,923 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: havoc __ieee754_acos_~lx~0#1; [2024-11-16 05:03:43,952 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-16 05:03:43,953 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:03:44,025 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:03:44,026 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-16 05:03:44,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:03:44 BoogieIcfgContainer [2024-11-16 05:03:44,027 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:03:44,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:03:44,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:03:44,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:03:44,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:03:42" (1/3) ... [2024-11-16 05:03:44,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6205d308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:03:44, skipping insertion in model container [2024-11-16 05:03:44,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:42" (2/3) ... [2024-11-16 05:03:44,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6205d308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:03:44, skipping insertion in model container [2024-11-16 05:03:44,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:03:44" (3/3) ... [2024-11-16 05:03:44,040 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2024-11-16 05:03:44,078 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:03:44,079 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:03:44,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:03:44,147 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;@4b3c9b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:03:44,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:03:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 131 states have (on average 1.5877862595419847) internal successors, (208), 132 states have internal predecessors, (208), 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 05:03:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-16 05:03:44,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:03:44,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:03:44,159 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:03:44,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:03:44,165 INFO L85 PathProgramCache]: Analyzing trace with hash 619444709, now seen corresponding path program 1 times [2024-11-16 05:03:44,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:03:44,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185261538] [2024-11-16 05:03:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:03:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:03:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:03:44,329 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 05:03:44,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 05:03:44,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185261538] [2024-11-16 05:03:44,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185261538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:03:44,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:03:44,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:03:44,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649035151] [2024-11-16 05:03:44,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:03:44,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:03:44,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 05:03:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:03:44,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:03:44,370 INFO L87 Difference]: Start difference. First operand has 136 states, 131 states have (on average 1.5877862595419847) internal successors, (208), 132 states have internal predecessors, (208), 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) [2024-11-16 05:03:44,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:03:44,464 INFO L93 Difference]: Finished difference Result 269 states and 423 transitions. [2024-11-16 05:03:44,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:03:44,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-16 05:03:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:03:44,480 INFO L225 Difference]: With dead ends: 269 [2024-11-16 05:03:44,480 INFO L226 Difference]: Without dead ends: 132 [2024-11-16 05:03:44,487 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 05:03:44,493 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:03:44,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:03:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-16 05:03:44,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-16 05:03:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 128 states have (on average 1.46875) internal successors, (188), 128 states have internal predecessors, (188), 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 05:03:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2024-11-16 05:03:44,535 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 11 [2024-11-16 05:03:44,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:03:44,536 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions. [2024-11-16 05:03:44,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:03:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2024-11-16 05:03:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-16 05:03:44,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:03:44,537 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:03:44,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 05:03:44,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:03:44,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:03:44,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1554357546, now seen corresponding path program 1 times [2024-11-16 05:03:44,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:03:44,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819983279] [2024-11-16 05:03:44,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:03:44,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:03:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:03:44,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 05:03:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:03:44,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 05:03:44,680 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 05:03:44,683 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:03:44,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 05:03:44,689 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 05:03:44,721 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:03:44,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:03:44 BoogieIcfgContainer [2024-11-16 05:03:44,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:03:44,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:03:44,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:03:44,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:03:44,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:03:44" (3/4) ... [2024-11-16 05:03:44,730 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 05:03:44,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:03:44,732 INFO L158 Benchmark]: Toolchain (without parser) took 2181.83ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 92.4MB in the end (delta: 12.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-16 05:03:44,733 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:03:44,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.76ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 87.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 05:03:44,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.87ms. Allocated memory is still 161.5MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:03:44,735 INFO L158 Benchmark]: Boogie Preprocessor took 95.87ms. Allocated memory is still 161.5MB. Free memory was 85.1MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:03:44,737 INFO L158 Benchmark]: IcfgBuilder took 872.33ms. Allocated memory is still 161.5MB. Free memory was 80.9MB in the beginning and 127.8MB in the end (delta: -46.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-16 05:03:44,737 INFO L158 Benchmark]: TraceAbstraction took 695.52ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 93.2MB in the end (delta: 33.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-16 05:03:44,738 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 161.5MB. Free memory was 93.2MB in the beginning and 92.4MB in the end (delta: 795.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:03:44,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.76ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 87.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.87ms. Allocated memory is still 161.5MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.87ms. Allocated memory is still 161.5MB. Free memory was 85.1MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 872.33ms. Allocated memory is still 161.5MB. Free memory was 80.9MB in the beginning and 127.8MB in the end (delta: -46.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * TraceAbstraction took 695.52ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 93.2MB in the end (delta: 33.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 161.5MB. Free memory was 93.2MB in the beginning and 92.4MB in the end (delta: 795.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 230]: 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 someBinaryDOUBLEComparisonOperation at line 19, overapproximation of someUnaryDOUBLEoperation at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 174. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L133-L146] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L225] double x = -1.0 / 0.0; [L226] CALL, EXPR __ieee754_acos(x) [L149] double z, p, q, r, w, s, c, df; [L150] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2147483659] [L152] ieee_double_shape_type gh_u; [L153] gh_u.value = (x) [L154] EXPR gh_u.parts.msw [L154] (hx) = gh_u.parts.msw [L155] COND FALSE !(0) VAL [hx=-2147483648, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2147483659] [L156] ix = hx & 0x7fffffff VAL [hx=-2147483648, ix=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2147483659] [L157] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L172] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L173] COND TRUE ix <= 0x3c600000 [L174] return pio2_hi_acos + pio2_lo_acos; VAL [hx=-2147483648, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2147483659] [L226] RET, EXPR __ieee754_acos(x) [L226] double res = __ieee754_acos(x); [L229] CALL, EXPR isnan_double(res) [L19] return x != x; VAL [\result=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L229] RET, EXPR isnan_double(res) [L229] COND TRUE !isnan_double(res) [L230] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 177 mSDtfsCounter, 18 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=136occurred 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 05:03:44,772 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_0490b.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 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:03:46,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:03:47,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 05:03:47,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:03:47,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:03:47,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:03:47,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:03:47,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:03:47,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:03:47,103 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:03:47,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:03:47,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:03:47,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:03:47,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:03:47,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:03:47,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:03:47,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:03:47,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:03:47,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:03:47,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:03:47,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:03:47,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:03:47,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:03:47,111 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 05:03:47,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 05:03:47,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:03:47,112 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 05:03:47,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:03:47,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:03:47,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:03:47,113 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:03:47,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:03:47,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:03:47,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:03:47,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:03:47,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:03:47,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:03:47,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:03:47,116 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 05:03:47,116 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 05:03:47,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:03:47,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:03:47,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:03:47,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:03:47,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b34c854cc74f6ea21672664943e51196e9d1fd37e64d1cb7c270d3991e8a4b [2024-11-16 05:03:47,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:03:47,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:03:47,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:03:47,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:03:47,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:03:47,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-16 05:03:49,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:03:49,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:03:49,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490b.c [2024-11-16 05:03:49,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b49260cc/254a160ba3f147689d65f539b27a146c/FLAG387f99ee4 [2024-11-16 05:03:49,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b49260cc/254a160ba3f147689d65f539b27a146c [2024-11-16 05:03:49,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:03:49,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:03:49,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:03:49,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:03:49,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:03:49,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659462e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49, skipping insertion in model container [2024-11-16 05:03:49,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:03:49,706 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_0490b.c[5753,5766] [2024-11-16 05:03:49,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:03:49,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:03:49,792 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_0490b.c[5753,5766] [2024-11-16 05:03:49,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:03:49,845 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:03:49,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49 WrapperNode [2024-11-16 05:03:49,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:03:49,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:03:49,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:03:49,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:03:49,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,899 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 132 [2024-11-16 05:03:49,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:03:49,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:03:49,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:03:49,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:03:49,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,954 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 3, 3, 2, 3, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 2, 1, 2, 1]. [2024-11-16 05:03:49,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:49,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:03:49,994 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:03:49,994 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:03:49,994 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:03:49,995 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (1/1) ... [2024-11-16 05:03:50,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:03:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:03:50,027 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 05:03:50,031 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 05:03:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:03:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-16 05:03:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-16 05:03:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 05:03:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 05:03:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-16 05:03:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-16 05:03:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-16 05:03:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-16 05:03:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:03:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-16 05:03:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-16 05:03:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 05:03:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 05:03:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-16 05:03:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-16 05:03:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-16 05:03:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-16 05:03:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:03:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:03:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-16 05:03:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-16 05:03:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-16 05:03:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-16 05:03:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-16 05:03:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-16 05:03:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:03:50,199 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:03:50,201 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:04:21,132 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: havoc __ieee754_acos_~lx~0#1; [2024-11-16 05:04:21,154 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-16 05:04:21,154 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:04:21,169 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:04:21,169 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 05:04:21,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:04:21 BoogieIcfgContainer [2024-11-16 05:04:21,170 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:04:21,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:04:21,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:04:21,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:04:21,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:03:49" (1/3) ... [2024-11-16 05:04:21,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac10c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:04:21, skipping insertion in model container [2024-11-16 05:04:21,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:03:49" (2/3) ... [2024-11-16 05:04:21,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac10c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:04:21, skipping insertion in model container [2024-11-16 05:04:21,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:04:21" (3/3) ... [2024-11-16 05:04:21,177 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490b.c [2024-11-16 05:04:21,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:04:21,191 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:04:21,245 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:04:21,251 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;@5e711e65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:04:21,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:04:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 69 states have (on average 1.608695652173913) internal successors, (111), 70 states have internal predecessors, (111), 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 05:04:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-16 05:04:21,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:04:21,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:04:21,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:04:21,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:04:21,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1562658755, now seen corresponding path program 1 times [2024-11-16 05:04:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:04:21,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046699899] [2024-11-16 05:04:21,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:04:21,280 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 05:04:21,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:04:21,281 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 05:04:21,283 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 05:04:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:04:21,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 05:04:21,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:04:22,003 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 05:04:22,003 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:04:22,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:04:22,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046699899] [2024-11-16 05:04:22,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046699899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:04:22,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:04:22,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:04:22,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916314410] [2024-11-16 05:04:22,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:04:22,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:04:22,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:04:22,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:04:22,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:04:22,051 INFO L87 Difference]: Start difference. First operand has 74 states, 69 states have (on average 1.608695652173913) internal successors, (111), 70 states have internal predecessors, (111), 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) [2024-11-16 05:04:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:04:22,077 INFO L93 Difference]: Finished difference Result 145 states and 229 transitions. [2024-11-16 05:04:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:04:22,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-16 05:04:22,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:04:22,087 INFO L225 Difference]: With dead ends: 145 [2024-11-16 05:04:22,087 INFO L226 Difference]: Without dead ends: 70 [2024-11-16 05:04:22,091 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 [2024-11-16 05:04:22,095 INFO L432 NwaCegarLoop]: 99 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, 99 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 05:04:22,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:04:22,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-16 05:04:22,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-16 05:04:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 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 05:04:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2024-11-16 05:04:22,134 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 11 [2024-11-16 05:04:22,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:04:22,134 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2024-11-16 05:04:22,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 05:04:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2024-11-16 05:04:22,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-16 05:04:22,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:04:22,136 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:04:22,165 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 05:04:22,337 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 05:04:22,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:04:22,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:04:22,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2140741930, now seen corresponding path program 1 times [2024-11-16 05:04:22,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:04:22,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658010345] [2024-11-16 05:04:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:04:22,339 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 05:04:22,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:04:22,342 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 05:04:22,343 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 05:04:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:04:22,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 05:04:22,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:04:25,790 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 05:04:25,790 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:04:25,791 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:04:25,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658010345] [2024-11-16 05:04:25,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658010345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:04:25,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:04:25,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 05:04:25,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849715441] [2024-11-16 05:04:25,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:04:25,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 05:04:25,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:04:25,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 05:04:25,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 05:04:25,795 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 05:04:30,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:04:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:04:31,385 INFO L93 Difference]: Finished difference Result 75 states and 100 transitions. [2024-11-16 05:04:31,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 05:04:31,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-16 05:04:31,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:04:31,387 INFO L225 Difference]: With dead ends: 75 [2024-11-16 05:04:31,387 INFO L226 Difference]: Without dead ends: 14 [2024-11-16 05:04:31,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 05:04:31,389 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-16 05:04:31,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-16 05:04:31,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-16 05:04:31,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-16 05:04:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 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 05:04:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2024-11-16 05:04:31,394 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2024-11-16 05:04:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:04:31,394 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2024-11-16 05:04:31,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 05:04:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-16 05:04:31,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-16 05:04:31,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:04:31,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:04:31,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-16 05:04:31,596 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 05:04:31,596 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:04:31,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:04:31,597 INFO L85 PathProgramCache]: Analyzing trace with hash 566137662, now seen corresponding path program 1 times [2024-11-16 05:04:31,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:04:31,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445413410] [2024-11-16 05:04:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:04:31,598 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 05:04:31,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:04:31,600 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 05:04:31,601 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 05:04:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:04:32,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 05:04:32,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:04:38,483 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 05:04:38,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:04:38,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:04:38,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445413410] [2024-11-16 05:04:38,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445413410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:04:38,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:04:38,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 05:04:38,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801694042] [2024-11-16 05:04:38,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:04:38,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 05:04:38,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:04:38,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 05:04:38,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 05:04:38,486 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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 05:04:41,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 05:04:44,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:04:44,561 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2024-11-16 05:04:44,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 05:04:44,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2024-11-16 05:04:44,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:04:44,562 INFO L225 Difference]: With dead ends: 14 [2024-11-16 05:04:44,562 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 05:04:44,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 05:04:44,563 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-16 05:04:44,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-16 05:04:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 05:04:44,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 05:04:44,565 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 05:04:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 05:04:44,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-16 05:04:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:04:44,565 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 05:04:44,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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 05:04:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 05:04:44,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 05:04:44,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:04:44,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-16 05:04:44,769 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 05:04:44,772 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 05:04:44,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 05:04:48,581 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:04:48,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:04:48 BoogieIcfgContainer [2024-11-16 05:04:48,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:04:48,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:04:48,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:04:48,603 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:04:48,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:04:21" (3/4) ... [2024-11-16 05:04:48,606 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 05:04:48,613 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2024-11-16 05:04:48,622 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-11-16 05:04:48,624 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-16 05:04:48,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 05:04:48,626 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 05:04:48,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 05:04:48,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 05:04:48,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:04:48,747 INFO L158 Benchmark]: Toolchain (without parser) took 59366.12ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 33.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-16 05:04:48,747 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 48.2MB. Free memory is still 26.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:04:48,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.28ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 54.2MB in the end (delta: -5.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-16 05:04:48,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.93ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 52.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:04:48,748 INFO L158 Benchmark]: Boogie Preprocessor took 89.07ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 48.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:04:48,748 INFO L158 Benchmark]: IcfgBuilder took 31176.45ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 43.1MB in the end (delta: 4.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-16 05:04:48,748 INFO L158 Benchmark]: TraceAbstraction took 27429.23ms. Allocated memory is still 75.5MB. Free memory was 42.7MB in the beginning and 40.0MB in the end (delta: 2.7MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-11-16 05:04:48,748 INFO L158 Benchmark]: Witness Printer took 145.18ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 33.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 05:04:48,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87ms. Allocated memory is still 48.2MB. Free memory is still 26.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.28ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 54.2MB in the end (delta: -5.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.93ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 52.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.07ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 48.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 31176.45ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 43.1MB in the end (delta: 4.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 27429.23ms. Allocated memory is still 75.5MB. Free memory was 42.7MB in the beginning and 40.0MB in the end (delta: 2.7MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 145.18ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 33.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 230]: 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, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 112 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 229 SizeOfPredicates, 6 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Location Invariant Derived location invariant: null - InvariantResult [Line: 73]: Location Invariant Derived location invariant: null - InvariantResult [Line: 200]: Location Invariant Derived location invariant: null - InvariantResult [Line: 86]: Location Invariant Derived location invariant: null - InvariantResult [Line: 124]: Location Invariant Derived location invariant: null - InvariantResult [Line: 49]: Location Invariant Derived location invariant: null - InvariantResult [Line: 159]: Location Invariant Derived location invariant: null - InvariantResult [Line: 151]: Location Invariant Derived location invariant: null - InvariantResult [Line: 29]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 23]: Procedure Contract for __ieee754_sqrt Derived contract for procedure __ieee754_sqrt. Requires: 0 Ensures: (0 && ((((((((((((((((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt))) && (one_acos == \old(one_acos))) && (pi == \old(pi))) && (pio2_hi_acos == \old(pio2_hi_acos))) && (pio2_lo_acos == \old(pio2_lo_acos))) && (pS0_acos == \old(pS0_acos))) && (pS1_acos == \old(pS1_acos))) && (pS2_acos == \old(pS2_acos))) && (pS3_acos == \old(pS3_acos))) && (pS4_acos == \old(pS4_acos))) && (pS5_acos == \old(pS5_acos))) && (qS1_acos == \old(qS1_acos))) && (qS2_acos == \old(qS2_acos))) && (qS3_acos == \old(qS3_acos))) && (qS4_acos == \old(qS4_acos)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 05:04:48,967 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 [2024-11-16 05:04:49,091 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: TRUE