./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.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 c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 22:28:53,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 22:28:53,956 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 22:28:53,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 22:28:53,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 22:28:53,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 22:28:53,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 22:28:53,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 22:28:53,991 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 22:28:53,992 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 22:28:53,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 22:28:53,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 22:28:53,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 22:28:53,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 22:28:53,997 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 22:28:53,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 22:28:53,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 22:28:53,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 22:28:53,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 22:28:53,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 22:28:53,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 22:28:54,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 22:28:54,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 22:28:54,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 22:28:54,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 22:28:54,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 22:28:54,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 22:28:54,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 22:28:54,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 22:28:54,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 22:28:54,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 22:28:54,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 22:28:54,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:28:54,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 22:28:54,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 22:28:54,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 22:28:54,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 22:28:54,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 22:28:54,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 22:28:54,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 22:28:54,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 22:28:54,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 22:28:54,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2024-10-23 22:28:54,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 22:28:54,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 22:28:54,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 22:28:54,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 22:28:54,319 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 22:28:54,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-10-23 22:28:55,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 22:28:56,104 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 22:28:56,105 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-10-23 22:28:56,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0523dcf6e/039c729e009a43af8d4b12658d8884e3/FLAGc2aca015d [2024-10-23 22:28:56,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0523dcf6e/039c729e009a43af8d4b12658d8884e3 [2024-10-23 22:28:56,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 22:28:56,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 22:28:56,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 22:28:56,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 22:28:56,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 22:28:56,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557d3151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56, skipping insertion in model container [2024-10-23 22:28:56,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 22:28:56,416 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2024-10-23 22:28:56,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:28:56,437 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 22:28:56,480 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2024-10-23 22:28:56,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:28:56,502 INFO L204 MainTranslator]: Completed translation [2024-10-23 22:28:56,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56 WrapperNode [2024-10-23 22:28:56,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 22:28:56,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 22:28:56,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 22:28:56,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 22:28:56,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,556 INFO L138 Inliner]: procedures = 21, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 280 [2024-10-23 22:28:56,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 22:28:56,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 22:28:56,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 22:28:56,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 22:28:56,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,613 INFO L175 MemorySlicer]: Split 56 memory accesses to 13 slices as follows [2, 2, 7, 2, 7, 22, 2, 2, 2, 2, 2, 2, 2]. 39 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 0, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1]. [2024-10-23 22:28:56,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 22:28:56,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 22:28:56,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 22:28:56,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 22:28:56,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (1/1) ... [2024-10-23 22:28:56,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:28:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 22:28:56,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-23 22:28:56,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-23 22:28:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 22:28:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-23 22:28:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-23 22:28:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-23 22:28:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-23 22:28:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-23 22:28:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-23 22:28:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-23 22:28:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-23 22:28:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-23 22:28:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-23 22:28:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-23 22:28:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-23 22:28:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-23 22:28:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 22:28:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-23 22:28:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-23 22:28:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-23 22:28:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-23 22:28:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-23 22:28:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-23 22:28:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-23 22:28:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-23 22:28:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-23 22:28:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-23 22:28:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-23 22:28:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-23 22:28:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-23 22:28:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-23 22:28:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-23 22:28:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-23 22:28:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-23 22:28:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-23 22:28:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-23 22:28:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-23 22:28:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-23 22:28:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-23 22:28:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-23 22:28:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-23 22:28:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-23 22:28:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-23 22:28:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-23 22:28:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-23 22:28:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-23 22:28:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-10-23 22:28:56,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 22:28:56,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-23 22:28:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-23 22:28:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-23 22:28:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-23 22:28:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-23 22:28:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-23 22:28:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-23 22:28:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-23 22:28:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-23 22:28:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-23 22:28:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-23 22:28:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-23 22:28:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-23 22:28:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-23 22:28:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-10-23 22:28:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-10-23 22:28:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 22:28:56,983 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 22:28:56,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 22:28:57,534 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-10-23 22:28:57,534 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 22:28:57,581 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 22:28:57,583 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-23 22:28:57,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:28:57 BoogieIcfgContainer [2024-10-23 22:28:57,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 22:28:57,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 22:28:57,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 22:28:57,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 22:28:57,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:28:56" (1/3) ... [2024-10-23 22:28:57,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a76bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:28:57, skipping insertion in model container [2024-10-23 22:28:57,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:28:56" (2/3) ... [2024-10-23 22:28:57,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a76bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:28:57, skipping insertion in model container [2024-10-23 22:28:57,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:28:57" (3/3) ... [2024-10-23 22:28:57,592 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2024-10-23 22:28:57,615 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 22:28:57,615 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 22:28:57,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 22:28:57,689 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;@560cb022, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 22:28:57,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 22:28:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 85 states have (on average 1.7176470588235293) internal successors, (146), 86 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:28:57,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-23 22:28:57,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:28:57,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:28:57,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:28:57,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:28:57,709 INFO L85 PathProgramCache]: Analyzing trace with hash 102985702, now seen corresponding path program 1 times [2024-10-23 22:28:57,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:28:57,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166468902] [2024-10-23 22:28:57,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:28:57,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:28:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:28:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:28:57,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:28:57,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166468902] [2024-10-23 22:28:57,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166468902] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:28:57,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:28:57,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 22:28:57,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356065087] [2024-10-23 22:28:57,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:28:57,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 22:28:57,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:28:57,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 22:28:57,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:28:57,961 INFO L87 Difference]: Start difference. First operand has 93 states, 85 states have (on average 1.7176470588235293) internal successors, (146), 86 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2024-10-23 22:28:58,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:28:58,030 INFO L93 Difference]: Finished difference Result 185 states and 311 transitions. [2024-10-23 22:28:58,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 22:28:58,033 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 [2024-10-23 22:28:58,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:28:58,042 INFO L225 Difference]: With dead ends: 185 [2024-10-23 22:28:58,043 INFO L226 Difference]: Without dead ends: 90 [2024-10-23 22:28:58,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:28:58,051 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 22:28:58,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 22:28:58,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-23 22:28:58,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-10-23 22:28:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 83 states have internal predecessors, (123), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:28:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-10-23 22:28:58,104 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 13 [2024-10-23 22:28:58,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:28:58,106 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-10-23 22:28:58,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2024-10-23 22:28:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-10-23 22:28:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-23 22:28:58,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:28:58,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:28:58,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-23 22:28:58,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:28:58,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:28:58,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1506555548, now seen corresponding path program 1 times [2024-10-23 22:28:58,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:28:58,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116902156] [2024-10-23 22:28:58,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:28:58,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:28:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 22:28:58,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-23 22:28:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 22:28:58,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-23 22:28:58,356 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-23 22:28:58,359 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-23 22:28:58,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-23 22:28:58,365 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-23 22:28:58,396 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 22:28:58,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:28:58 BoogieIcfgContainer [2024-10-23 22:28:58,399 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 22:28:58,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 22:28:58,400 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 22:28:58,400 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 22:28:58,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:28:57" (3/4) ... [2024-10-23 22:28:58,403 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-23 22:28:58,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 22:28:58,406 INFO L158 Benchmark]: Toolchain (without parser) took 2265.76ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 119.8MB in the beginning and 133.6MB in the end (delta: -13.9MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-10-23 22:28:58,407 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:28:58,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.53ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 103.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-23 22:28:58,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.66ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 100.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 22:28:58,410 INFO L158 Benchmark]: Boogie Preprocessor took 108.88ms. Allocated memory is still 176.2MB. Free memory was 100.9MB in the beginning and 95.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-23 22:28:58,411 INFO L158 Benchmark]: RCFGBuilder took 912.59ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 95.7MB in the beginning and 179.8MB in the end (delta: -84.1MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-10-23 22:28:58,414 INFO L158 Benchmark]: TraceAbstraction took 813.32ms. Allocated memory is still 222.3MB. Free memory was 178.7MB in the beginning and 134.7MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-23 22:28:58,414 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 222.3MB. Free memory was 134.7MB in the beginning and 133.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:28:58,416 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 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.53ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 103.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.66ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 100.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.88ms. Allocated memory is still 176.2MB. Free memory was 100.9MB in the beginning and 95.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 912.59ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 95.7MB in the beginning and 179.8MB in the end (delta: -84.1MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 813.32ms. Allocated memory is still 222.3MB. Free memory was 178.7MB in the beginning and 134.7MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 222.3MB. Free memory was 134.7MB in the beginning and 133.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 257]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 256, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L249] float x = 1.0f / 0.0f; [L250] float y = __VERIFIER_nondet_float(); [L252] CALL, EXPR isfinite_float(y) [L231] __int32_t ix; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, zero_atan2=0] [L233] ieee_float_shape_type gf_u; [L234] gf_u.value = (x) [L235] EXPR gf_u.word [L235] (ix) = gf_u.word [L237] ix &= 0x7fffffff [L238] return (((ix) < 0x7f800000L)); [L252] RET, EXPR isfinite_float(y) [L252] COND TRUE isfinite_float(y) && y < 0.0f [L253] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, ix=2139095042, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, ix=2139095042, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L253] RET, EXPR __ieee754_atan2f(y, x) [L253] float res = __ieee754_atan2f(y, x); [L256] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L256] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L256] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L257] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 126 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 126 mSDtfsCounter, 9 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=93occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-23 22:28:58,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.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 c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 22:29:00,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 22:29:00,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-23 22:29:00,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 22:29:00,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 22:29:00,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 22:29:00,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 22:29:00,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 22:29:00,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 22:29:00,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 22:29:00,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 22:29:00,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 22:29:00,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 22:29:00,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 22:29:00,831 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 22:29:00,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 22:29:00,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 22:29:00,832 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 22:29:00,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 22:29:00,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 22:29:00,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 22:29:00,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 22:29:00,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 22:29:00,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-23 22:29:00,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-23 22:29:00,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 22:29:00,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-23 22:29:00,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 22:29:00,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 22:29:00,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 22:29:00,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 22:29:00,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 22:29:00,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 22:29:00,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 22:29:00,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:29:00,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 22:29:00,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 22:29:00,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 22:29:00,848 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-23 22:29:00,848 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-23 22:29:00,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 22:29:00,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 22:29:00,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 22:29:00,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 22:29:00,851 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-23 22:29:00,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2024-10-23 22:29:01,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 22:29:01,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 22:29:01,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 22:29:01,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 22:29:01,189 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 22:29:01,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-10-23 22:29:02,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 22:29:02,926 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 22:29:02,926 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-10-23 22:29:02,941 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230308233/2a24b2942b004a7aab9ba1939d8e3868/FLAG13ec9f8d1 [2024-10-23 22:29:02,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230308233/2a24b2942b004a7aab9ba1939d8e3868 [2024-10-23 22:29:02,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 22:29:02,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 22:29:02,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 22:29:02,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 22:29:02,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 22:29:02,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:29:02" (1/1) ... [2024-10-23 22:29:02,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32eef647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:02, skipping insertion in model container [2024-10-23 22:29:02,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:29:02" (1/1) ... [2024-10-23 22:29:03,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 22:29:03,298 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2024-10-23 22:29:03,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:29:03,326 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 22:29:03,391 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2024-10-23 22:29:03,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:29:03,419 INFO L204 MainTranslator]: Completed translation [2024-10-23 22:29:03,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03 WrapperNode [2024-10-23 22:29:03,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 22:29:03,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 22:29:03,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 22:29:03,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 22:29:03,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,499 INFO L138 Inliner]: procedures = 24, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 263 [2024-10-23 22:29:03,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 22:29:03,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 22:29:03,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 22:29:03,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 22:29:03,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,525 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,559 INFO L175 MemorySlicer]: Split 56 memory accesses to 13 slices as follows [2, 2, 7, 7, 22, 2, 2, 2, 2, 2, 2, 2, 2]. 39 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-23 22:29:03,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 22:29:03,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 22:29:03,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 22:29:03,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 22:29:03,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (1/1) ... [2024-10-23 22:29:03,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:29:03,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 22:29:03,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-23 22:29:03,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-10-23 22:29:03,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-10-23 22:29:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-10-23 22:29:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-10-23 22:29:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-10-23 22:29:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-10-23 22:29:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-10-23 22:29:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-10-23 22:29:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-23 22:29:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-23 22:29:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-23 22:29:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-23 22:29:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-23 22:29:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-23 22:29:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-23 22:29:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-23 22:29:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-23 22:29:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-23 22:29:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-23 22:29:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-23 22:29:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-23 22:29:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 22:29:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-10-23 22:29:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-10-23 22:29:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-10-23 22:29:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-10-23 22:29:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-10-23 22:29:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-10-23 22:29:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-10-23 22:29:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-10-23 22:29:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-10-23 22:29:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-10-23 22:29:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-10-23 22:29:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-10-23 22:29:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-10-23 22:29:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-10-23 22:29:03,706 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-10-23 22:29:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-23 22:29:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-23 22:29:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-23 22:29:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-23 22:29:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-23 22:29:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-23 22:29:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-23 22:29:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-23 22:29:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-23 22:29:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-23 22:29:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-23 22:29:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 22:29:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-10-23 22:29:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-10-23 22:29:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-10-23 22:29:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-10-23 22:29:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-10-23 22:29:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-10-23 22:29:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-10-23 22:29:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-10-23 22:29:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-10-23 22:29:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-10-23 22:29:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-23 22:29:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-23 22:29:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-23 22:29:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-23 22:29:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-23 22:29:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-23 22:29:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-23 22:29:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-23 22:29:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-23 22:29:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-23 22:29:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-23 22:29:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-23 22:29:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-23 22:29:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 22:29:03,904 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 22:29:03,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 22:29:25,479 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-10-23 22:29:25,480 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 22:29:25,530 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 22:29:25,532 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-23 22:29:25,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:29:25 BoogieIcfgContainer [2024-10-23 22:29:25,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 22:29:25,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 22:29:25,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 22:29:25,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 22:29:25,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:29:02" (1/3) ... [2024-10-23 22:29:25,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f601151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:29:25, skipping insertion in model container [2024-10-23 22:29:25,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:03" (2/3) ... [2024-10-23 22:29:25,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f601151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:29:25, skipping insertion in model container [2024-10-23 22:29:25,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:29:25" (3/3) ... [2024-10-23 22:29:25,543 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683a.c [2024-10-23 22:29:25,561 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 22:29:25,561 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 22:29:25,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 22:29:25,648 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;@78fa349a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 22:29:25,648 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 22:29:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 78 states have (on average 1.7307692307692308) internal successors, (135), 79 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:29:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-23 22:29:25,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:29:25,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:29:25,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:29:25,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:29:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash 821467700, now seen corresponding path program 1 times [2024-10-23 22:29:25,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:29:25,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207563417] [2024-10-23 22:29:25,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:29:25,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:25,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:29:25,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 22:29:25,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-23 22:29:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:29:26,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-23 22:29:26,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:29:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:29:26,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:29:26,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:29:26,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207563417] [2024-10-23 22:29:26,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207563417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:29:26,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:29:26,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 22:29:26,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150077936] [2024-10-23 22:29:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:29:26,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 22:29:26,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:29:26,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 22:29:26,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:29:26,609 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.7307692307692308) internal successors, (135), 79 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2024-10-23 22:29:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:29:26,834 INFO L93 Difference]: Finished difference Result 171 states and 289 transitions. [2024-10-23 22:29:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 22:29:26,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 [2024-10-23 22:29:26,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:29:26,845 INFO L225 Difference]: With dead ends: 171 [2024-10-23 22:29:26,845 INFO L226 Difference]: Without dead ends: 83 [2024-10-23 22:29:26,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:29:26,852 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-23 22:29:26,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-23 22:29:26,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-23 22:29:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-23 22:29:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 76 states have internal predecessors, (112), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:29:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2024-10-23 22:29:26,905 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 13 [2024-10-23 22:29:26,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:29:26,907 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2024-10-23 22:29:26,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2024-10-23 22:29:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2024-10-23 22:29:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-23 22:29:26,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:29:26,909 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:29:26,946 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 [2024-10-23 22:29:27,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:27,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:29:27,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:29:27,111 INFO L85 PathProgramCache]: Analyzing trace with hash 129379068, now seen corresponding path program 1 times [2024-10-23 22:29:27,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:29:27,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148929959] [2024-10-23 22:29:27,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:29:27,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:29:27,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 22:29:27,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-23 22:29:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:29:28,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-23 22:29:28,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:29:30,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-23 22:29:30,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-10-23 22:29:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:29:33,300 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:29:33,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:29:33,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148929959] [2024-10-23 22:29:33,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148929959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:29:33,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:29:33,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-23 22:29:33,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305377521] [2024-10-23 22:29:33,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:29:33,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-23 22:29:33,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:29:33,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-23 22:29:33,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-23 22:29:33,304 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:38,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:29:38,368 INFO L93 Difference]: Finished difference Result 153 states and 219 transitions. [2024-10-23 22:29:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-23 22:29:38,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 9 states have internal predecessors, (16), 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 16 [2024-10-23 22:29:38,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:29:38,371 INFO L225 Difference]: With dead ends: 153 [2024-10-23 22:29:38,371 INFO L226 Difference]: Without dead ends: 84 [2024-10-23 22:29:38,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-23 22:29:38,373 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 136 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-23 22:29:38,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 576 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-23 22:29:38,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-23 22:29:38,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2024-10-23 22:29:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-23 22:29:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-10-23 22:29:38,385 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 16 [2024-10-23 22:29:38,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:29:38,385 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-10-23 22:29:38,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2024-10-23 22:29:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-23 22:29:38,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:29:38,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:29:38,425 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 [2024-10-23 22:29:38,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:38,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:29:38,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:29:38,590 INFO L85 PathProgramCache]: Analyzing trace with hash 490395297, now seen corresponding path program 1 times [2024-10-23 22:29:38,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:29:38,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286417526] [2024-10-23 22:29:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:29:38,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:38,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:29:38,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 22:29:38,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-23 22:29:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:29:39,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-23 22:29:39,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:29:39,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-23 22:29:39,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-10-23 22:29:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:29:40,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:29:40,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:29:40,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286417526] [2024-10-23 22:29:40,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286417526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:29:40,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:29:40,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-23 22:29:40,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220935594] [2024-10-23 22:29:40,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:29:40,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-23 22:29:40,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:29:40,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-23 22:29:40,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-23 22:29:40,262 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:41,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:29:41,595 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2024-10-23 22:29:41,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-23 22:29:41,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2024-10-23 22:29:41,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:29:41,597 INFO L225 Difference]: With dead ends: 81 [2024-10-23 22:29:41,597 INFO L226 Difference]: Without dead ends: 73 [2024-10-23 22:29:41,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-23 22:29:41,598 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 85 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-23 22:29:41,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 290 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-23 22:29:41,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-23 22:29:41,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2024-10-23 22:29:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 66 states have internal predecessors, (84), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-23 22:29:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 90 transitions. [2024-10-23 22:29:41,607 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 90 transitions. Word has length 22 [2024-10-23 22:29:41,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:29:41,608 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 90 transitions. [2024-10-23 22:29:41,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2024-10-23 22:29:41,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-23 22:29:41,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:29:41,608 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:29:41,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-23 22:29:41,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:41,809 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:29:41,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:29:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash -2000378908, now seen corresponding path program 1 times [2024-10-23 22:29:41,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:29:41,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401219521] [2024-10-23 22:29:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:29:41,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:41,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:29:41,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 22:29:41,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-23 22:29:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:29:42,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-23 22:29:42,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:29:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:29:43,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:29:43,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:29:43,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401219521] [2024-10-23 22:29:43,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401219521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:29:43,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:29:43,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 22:29:43,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590486886] [2024-10-23 22:29:43,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:29:43,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-23 22:29:43,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:29:43,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-23 22:29:43,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-23 22:29:43,465 INFO L87 Difference]: Start difference. First operand 72 states and 90 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:44,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:29:44,965 INFO L93 Difference]: Finished difference Result 77 states and 95 transitions. [2024-10-23 22:29:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-23 22:29:44,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-23 22:29:44,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:29:44,967 INFO L225 Difference]: With dead ends: 77 [2024-10-23 22:29:44,967 INFO L226 Difference]: Without dead ends: 74 [2024-10-23 22:29:44,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-23 22:29:44,968 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 74 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-23 22:29:44,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 235 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-23 22:29:44,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-23 22:29:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-10-23 22:29:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-23 22:29:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2024-10-23 22:29:44,986 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 23 [2024-10-23 22:29:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:29:44,987 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2024-10-23 22:29:44,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:44,987 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2024-10-23 22:29:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-23 22:29:44,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:29:44,988 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:29:45,015 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 (5)] Forceful destruction successful, exit code 0 [2024-10-23 22:29:45,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:45,189 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:29:45,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:29:45,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1205153193, now seen corresponding path program 1 times [2024-10-23 22:29:45,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:29:45,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967725506] [2024-10-23 22:29:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:29:45,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:45,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:29:45,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 22:29:45,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-23 22:29:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:29:45,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-23 22:29:45,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:29:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:29:47,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:29:47,672 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:29:47,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967725506] [2024-10-23 22:29:47,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967725506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:29:47,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:29:47,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-23 22:29:47,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979242875] [2024-10-23 22:29:47,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:29:47,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-23 22:29:47,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:29:47,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-23 22:29:47,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-23 22:29:47,674 INFO L87 Difference]: Start difference. First operand 74 states and 92 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:29:49,395 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2024-10-23 22:29:49,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-23 22:29:49,396 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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 25 [2024-10-23 22:29:49,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:29:49,396 INFO L225 Difference]: With dead ends: 80 [2024-10-23 22:29:49,396 INFO L226 Difference]: Without dead ends: 27 [2024-10-23 22:29:49,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-23 22:29:49,398 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 23 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-23 22:29:49,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 86 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-23 22:29:49,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-23 22:29:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-23 22:29:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2024-10-23 22:29:49,403 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 25 [2024-10-23 22:29:49,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:29:49,403 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2024-10-23 22:29:49,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2024-10-23 22:29:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-23 22:29:49,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:29:49,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:29:49,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-23 22:29:49,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:49,605 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:29:49,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:29:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1119273260, now seen corresponding path program 1 times [2024-10-23 22:29:49,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:29:49,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553479672] [2024-10-23 22:29:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:29:49,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:49,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:29:49,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 22:29:49,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-23 22:29:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:29:50,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-23 22:29:50,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:29:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:29:51,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:29:51,871 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:29:51,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553479672] [2024-10-23 22:29:51,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553479672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:29:51,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:29:51,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-23 22:29:51,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627042869] [2024-10-23 22:29:51,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:29:51,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-23 22:29:51,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:29:51,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-23 22:29:51,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-23 22:29:51,873 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:29:53,093 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2024-10-23 22:29:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-23 22:29:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 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 26 [2024-10-23 22:29:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:29:53,093 INFO L225 Difference]: With dead ends: 27 [2024-10-23 22:29:53,093 INFO L226 Difference]: Without dead ends: 0 [2024-10-23 22:29:53,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-23 22:29:53,094 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-23 22:29:53,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 99 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-23 22:29:53,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-23 22:29:53,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-23 22:29:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-23 22:29:53,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-10-23 22:29:53,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:29:53,100 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-23 22:29:53,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:29:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-23 22:29:53,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-23 22:29:53,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-23 22:29:53,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-10-23 22:29:53,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:29:53,307 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-23 22:29:53,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-23 22:29:55,284 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 22:29:55,305 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float [2024-10-23 22:29:55,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float [2024-10-23 22:29:55,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float [2024-10-23 22:29:55,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float [2024-10-23 22:29:55,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float [2024-10-23 22:29:55,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float [2024-10-23 22:29:55,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:29:55 BoogieIcfgContainer [2024-10-23 22:29:55,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 22:29:55,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 22:29:55,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 22:29:55,312 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 22:29:55,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:29:25" (3/4) ... [2024-10-23 22:29:55,314 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-23 22:29:55,318 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-10-23 22:29:55,319 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-10-23 22:29:55,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-10-23 22:29:55,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-23 22:29:55,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-23 22:29:55,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-23 22:29:55,436 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-23 22:29:55,436 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-23 22:29:55,436 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 22:29:55,437 INFO L158 Benchmark]: Toolchain (without parser) took 52466.87ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.8MB in the beginning and 49.6MB in the end (delta: -16.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-10-23 22:29:55,437 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 25.3MB in the beginning and 25.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:29:55,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.03ms. Allocated memory is still 65.0MB. Free memory was 32.6MB in the beginning and 31.3MB in the end (delta: 1.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-10-23 22:29:55,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.60ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 44.1MB in the end (delta: -13.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-23 22:29:55,438 INFO L158 Benchmark]: Boogie Preprocessor took 119.46ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 38.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-23 22:29:55,439 INFO L158 Benchmark]: RCFGBuilder took 21910.60ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 45.3MB in the end (delta: -7.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-23 22:29:55,439 INFO L158 Benchmark]: TraceAbstraction took 29776.42ms. Allocated memory is still 79.7MB. Free memory was 44.9MB in the beginning and 28.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-10-23 22:29:55,440 INFO L158 Benchmark]: Witness Printer took 124.68ms. Allocated memory is still 79.7MB. Free memory was 28.3MB in the beginning and 49.6MB in the end (delta: -21.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-10-23 22:29:55,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 25.3MB in the beginning and 25.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.03ms. Allocated memory is still 65.0MB. Free memory was 32.6MB in the beginning and 31.3MB in the end (delta: 1.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.60ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 44.1MB in the end (delta: -13.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.46ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 38.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 21910.60ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 45.3MB in the end (delta: -7.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29776.42ms. Allocated memory is still 79.7MB. Free memory was 44.9MB in the beginning and 28.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 124.68ms. Allocated memory is still 79.7MB. Free memory was 28.3MB in the beginning and 49.6MB in the end (delta: -21.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float * 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: 257]: 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 3 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 328 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 1401 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1026 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 375 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 119 ConstructedInterpolants, 74 QuantifiedInterpolants, 1197 SizeOfPredicates, 27 NumberOfNonLiveVariables, 680 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 14]: Procedure Contract for fabs_float Derived contract for procedure fabs_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 53]: Procedure Contract for atan_float Derived contract for procedure atan_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) RESULT: Ultimate proved your program to be correct! [2024-10-23 22:29:55,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE