./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:17:07,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:17:07,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:17:07,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:17:07,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:17:07,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:17:07,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:17:07,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:17:07,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:17:07,493 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:17:07,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:17:07,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:17:07,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:17:07,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:17:07,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:17:07,495 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:17:07,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:17:07,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:17:07,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:17:07,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:17:07,497 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 [2025-01-09 01:17:07,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:17:07,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:17:07,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:17:07,680 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:17:07,681 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:17:07,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2025-01-09 01:17:08,869 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f0d233aa/2107354de99244fa9839bbcfe7d31b99/FLAGc354c5bcb [2025-01-09 01:17:09,141 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:17:09,146 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2025-01-09 01:17:09,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f0d233aa/2107354de99244fa9839bbcfe7d31b99/FLAGc354c5bcb [2025-01-09 01:17:09,454 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f0d233aa/2107354de99244fa9839bbcfe7d31b99 [2025-01-09 01:17:09,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:17:09,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:17:09,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:17:09,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:17:09,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:17:09,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7492e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09, skipping insertion in model container [2025-01-09 01:17:09,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,479 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:17:09,636 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2025-01-09 01:17:09,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:17:09,648 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:17:09,689 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2025-01-09 01:17:09,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:17:09,709 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:17:09,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09 WrapperNode [2025-01-09 01:17:09,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:17:09,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:17:09,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:17:09,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:17:09,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,750 INFO L138 Inliner]: procedures = 21, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 261 [2025-01-09 01:17:09,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:17:09,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:17:09,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:17:09,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:17:09,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,768 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,777 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 01:17:09,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,789 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:17:09,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:17:09,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:17:09,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:17:09,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (1/1) ... [2025-01-09 01:17:09,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:17:09,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:17:09,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:17:09,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-01-09 01:17:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:17:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-01-09 01:17:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2025-01-09 01:17:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2025-01-09 01:17:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:17:09,949 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:17:09,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:17:10,263 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-01-09 01:17:10,263 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:17:10,271 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:17:10,271 INFO L312 CfgBuilder]: Removed 16 assume(true) statements. [2025-01-09 01:17:10,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:10 BoogieIcfgContainer [2025-01-09 01:17:10,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:17:10,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:17:10,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:17:10,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:17:10,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:17:09" (1/3) ... [2025-01-09 01:17:10,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfda12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:17:10, skipping insertion in model container [2025-01-09 01:17:10,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:09" (2/3) ... [2025-01-09 01:17:10,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfda12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:17:10, skipping insertion in model container [2025-01-09 01:17:10,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:10" (3/3) ... [2025-01-09 01:17:10,277 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0682b.c [2025-01-09 01:17:10,286 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:17:10,288 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0682b.c that has 3 procedures, 113 locations, 1 initial locations, 16 loop locations, and 9 error locations. [2025-01-09 01:17:10,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:17:10,328 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;@1de8f2ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:17:10,330 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-01-09 01:17:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 106 states have internal predecessors, (171), 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) [2025-01-09 01:17:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:17:10,336 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:17:10,336 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:17:10,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [fabs_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, fabs_floatErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 6 more)] === [2025-01-09 01:17:10,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:17:10,340 INFO L85 PathProgramCache]: Analyzing trace with hash 2156998, now seen corresponding path program 1 times [2025-01-09 01:17:10,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:17:10,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961455480] [2025-01-09 01:17:10,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:17:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:17:10,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:17:10,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:17:10,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:17:10,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:17:10,458 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:17:10,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:17:10,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:17:10,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:17:10,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:17:10,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:17:10,510 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:17:10,511 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 9 remaining) [2025-01-09 01:17:10,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 9 remaining) [2025-01-09 01:17:10,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 9 remaining) [2025-01-09 01:17:10,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 9 remaining) [2025-01-09 01:17:10,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 9 remaining) [2025-01-09 01:17:10,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 9 remaining) [2025-01-09 01:17:10,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 9 remaining) [2025-01-09 01:17:10,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2025-01-09 01:17:10,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 9 remaining) [2025-01-09 01:17:10,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:17:10,516 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:17:10,530 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:17:10,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:17:10 BoogieIcfgContainer [2025-01-09 01:17:10,533 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:17:10,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:17:10,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:17:10,534 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:17:10,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:10" (3/4) ... [2025-01-09 01:17:10,536 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:17:10,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:17:10,538 INFO L158 Benchmark]: Toolchain (without parser) took 1080.91ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 86.9MB in the end (delta: 67.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-01-09 01:17:10,539 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:17:10,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.34ms. Allocated memory is still 201.3MB. Free memory was 154.5MB in the beginning and 140.0MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:17:10,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.57ms. Allocated memory is still 201.3MB. Free memory was 140.0MB in the beginning and 137.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:17:10,540 INFO L158 Benchmark]: Boogie Preprocessor took 55.05ms. Allocated memory is still 201.3MB. Free memory was 137.8MB in the beginning and 135.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:17:10,540 INFO L158 Benchmark]: RCFGBuilder took 460.73ms. Allocated memory is still 201.3MB. Free memory was 135.2MB in the beginning and 109.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:17:10,542 INFO L158 Benchmark]: TraceAbstraction took 260.03ms. Allocated memory is still 201.3MB. Free memory was 108.4MB in the beginning and 87.2MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:17:10,542 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 201.3MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:17:10,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.34ms. Allocated memory is still 201.3MB. Free memory was 154.5MB in the beginning and 140.0MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.57ms. Allocated memory is still 201.3MB. Free memory was 140.0MB in the beginning and 137.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.05ms. Allocated memory is still 201.3MB. Free memory was 137.8MB in the beginning and 135.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 460.73ms. Allocated memory is still 201.3MB. Free memory was 135.2MB in the beginning and 109.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 260.03ms. Allocated memory is still 201.3MB. Free memory was 108.4MB in the beginning and 87.2MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 201.3MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 25.3kB). 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: 221]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 221, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 236. Possible FailurePath: [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, }; [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; 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] [L236] float x = -1.0f / 0.0f; [L237] float y = __VERIFIER_nondet_float(); [L239] CALL isfinite_float(y) [L219] __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, zero_atan2=0] [L221] ieee_float_shape_type gf_u; 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] - UnprovableResult [Line: 17]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 131]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 199]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 244]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 113 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 01:17:10,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:17:12,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:17:12,510 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:17:12,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:17:12,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:17:12,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:17:12,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:17:12,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:17:12,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:17:12,540 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:17:12,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:17:12,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:17:12,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:17:12,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:17:12,541 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:17:12,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:17:12,542 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:17:12,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:17:12,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:17:12,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:17:12,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:17:12,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:17:12,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:17:12,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:17:12,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:17:12,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:17:12,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:17:12,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:17:12,545 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 [2025-01-09 01:17:12,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:17:12,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:17:12,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:17:12,795 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:17:12,795 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:17:12,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2025-01-09 01:17:14,052 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3da11a60b/79e828265e284b7ca976ae8d1d40158f/FLAG207632bba [2025-01-09 01:17:14,261 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:17:14,263 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2025-01-09 01:17:14,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3da11a60b/79e828265e284b7ca976ae8d1d40158f/FLAG207632bba [2025-01-09 01:17:14,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3da11a60b/79e828265e284b7ca976ae8d1d40158f [2025-01-09 01:17:14,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:17:14,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:17:14,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:17:14,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:17:14,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:17:14,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d790076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14, skipping insertion in model container [2025-01-09 01:17:14,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:17:14,810 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2025-01-09 01:17:14,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:17:14,831 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:17:14,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2025-01-09 01:17:14,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:17:14,892 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:17:14,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14 WrapperNode [2025-01-09 01:17:14,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:17:14,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:17:14,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:17:14,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:17:14,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,937 INFO L138 Inliner]: procedures = 24, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 235 [2025-01-09 01:17:14,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:17:14,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:17:14,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:17:14,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:17:14,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,964 INFO L175 MemorySlicer]: Split 55 memory accesses to 12 slices as follows [2, 2, 2, 2, 2, 7, 2, 7, 23, 2, 2, 2]. 42 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 0, 0, 4, 0, 4, 0, 0, 0, 0]. The 20 writes are split as follows [0, 1, 1, 1, 1, 0, 1, 0, 12, 1, 1, 1]. [2025-01-09 01:17:14,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:17:14,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:17:14,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:17:14,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:17:14,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (1/1) ... [2025-01-09 01:17:14,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:17:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:17:15,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:17:15,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:17:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:17:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-01-09 01:17:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-01-09 01:17:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-01-09 01:17:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-01-09 01:17:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-01-09 01:17:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:17:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-01-09 01:17:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-01-09 01:17:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-01-09 01:17:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:17:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-01-09 01:17:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2025-01-09 01:17:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-01-09 01:17:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:17:15,176 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:17:15,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:17:39,418 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2025-01-09 01:17:39,418 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:17:39,425 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:17:39,425 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2025-01-09 01:17:39,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:39 BoogieIcfgContainer [2025-01-09 01:17:39,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:17:39,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:17:39,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:17:39,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:17:39,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:17:14" (1/3) ... [2025-01-09 01:17:39,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51af9b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:17:39, skipping insertion in model container [2025-01-09 01:17:39,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:14" (2/3) ... [2025-01-09 01:17:39,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51af9b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:17:39, skipping insertion in model container [2025-01-09 01:17:39,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:39" (3/3) ... [2025-01-09 01:17:39,432 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0682b.c [2025-01-09 01:17:39,441 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:17:39,442 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0682b.c that has 3 procedures, 90 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2025-01-09 01:17:39,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:17:39,486 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;@61f980c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:17:39,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:17:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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) [2025-01-09 01:17:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-09 01:17:39,497 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:17:39,497 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:17:39,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:17:39,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:17:39,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1810407063, now seen corresponding path program 1 times [2025-01-09 01:17:39,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:17:39,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030360371] [2025-01-09 01:17:39,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:17:39,512 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 [2025-01-09 01:17:39,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:17:39,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:17:39,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:39,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-09 01:17:40,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-09 01:17:40,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:17:40,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:17:40,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:17:40,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:17:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:17:40,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:17:40,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:17:40,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030360371] [2025-01-09 01:17:40,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030360371] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:17:40,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:17:40,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:17:40,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169529901] [2025-01-09 01:17:40,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:17:40,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:17:40,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:17:40,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:17:40,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:17:40,407 INFO L87 Difference]: Start difference. First operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2025-01-09 01:17:40,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:17:40,424 INFO L93 Difference]: Finished difference Result 178 states and 290 transitions. [2025-01-09 01:17:40,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:17:40,425 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2025-01-09 01:17:40,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:17:40,429 INFO L225 Difference]: With dead ends: 178 [2025-01-09 01:17:40,429 INFO L226 Difference]: Without dead ends: 86 [2025-01-09 01:17:40,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:17:40,433 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 01:17:40,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:17:40,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2025-01-09 01:17:40,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2025-01-09 01:17:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 79 states have internal predecessors, (114), 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) [2025-01-09 01:17:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 122 transitions. [2025-01-09 01:17:40,461 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 122 transitions. Word has length 14 [2025-01-09 01:17:40,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:17:40,462 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 122 transitions. [2025-01-09 01:17:40,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2025-01-09 01:17:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2025-01-09 01:17:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-09 01:17:40,463 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:17:40,463 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:17:40,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:40,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:40,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:17:40,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:17:40,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1359368000, now seen corresponding path program 1 times [2025-01-09 01:17:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:17:40,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125460944] [2025-01-09 01:17:40,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:17:40,667 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 [2025-01-09 01:17:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:17:40,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:17:40,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:40,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-09 01:17:41,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-09 01:17:41,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:17:41,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:17:41,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-09 01:17:41,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:17:42,618 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 [2025-01-09 01:17:42,645 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 [2025-01-09 01:17:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:17:43,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:17:43,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:17:43,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125460944] [2025-01-09 01:17:43,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125460944] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:17:43,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:17:43,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 01:17:43,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907083073] [2025-01-09 01:17:43,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:17:43,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 01:17:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:17:43,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 01:17:43,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 01:17:43,499 INFO L87 Difference]: Start difference. First operand 86 states and 122 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2025-01-09 01:17:45,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:17:45,846 INFO L93 Difference]: Finished difference Result 162 states and 230 transitions. [2025-01-09 01:17:45,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 01:17:45,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 17 [2025-01-09 01:17:45,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:17:45,849 INFO L225 Difference]: With dead ends: 162 [2025-01-09 01:17:45,850 INFO L226 Difference]: Without dead ends: 92 [2025-01-09 01:17:45,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-01-09 01:17:45,851 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 196 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-09 01:17:45,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 484 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-09 01:17:45,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-01-09 01:17:45,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 78. [2025-01-09 01:17:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 72 states have internal predecessors, (98), 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) [2025-01-09 01:17:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2025-01-09 01:17:45,860 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 17 [2025-01-09 01:17:45,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:17:45,860 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2025-01-09 01:17:45,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2025-01-09 01:17:45,860 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2025-01-09 01:17:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-09 01:17:45,861 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:17:45,861 INFO L218 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] [2025-01-09 01:17:45,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 01:17:46,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:46,065 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:17:46,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:17:46,066 INFO L85 PathProgramCache]: Analyzing trace with hash 526243611, now seen corresponding path program 1 times [2025-01-09 01:17:46,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:17:46,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990911445] [2025-01-09 01:17:46,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:17:46,066 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 [2025-01-09 01:17:46,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:17:46,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:17:46,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:46,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-09 01:17:46,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-09 01:17:46,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:17:46,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:17:46,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-09 01:17:46,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:17:46,975 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 [2025-01-09 01:17:46,999 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 [2025-01-09 01:17:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:17:49,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:17:49,930 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:17:49,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990911445] [2025-01-09 01:17:49,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990911445] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:17:49,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:17:49,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 01:17:49,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210922536] [2025-01-09 01:17:49,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:17:49,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 01:17:49,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:17:49,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 01:17:49,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 01:17:49,931 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 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) [2025-01-09 01:17:52,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:17:52,085 INFO L93 Difference]: Finished difference Result 128 states and 171 transitions. [2025-01-09 01:17:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 01:17:52,086 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 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 [2025-01-09 01:17:52,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:17:52,087 INFO L225 Difference]: With dead ends: 128 [2025-01-09 01:17:52,087 INFO L226 Difference]: Without dead ends: 74 [2025-01-09 01:17:52,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-01-09 01:17:52,088 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 89 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-09 01:17:52,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 565 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-09 01:17:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-01-09 01:17:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2025-01-09 01:17:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 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) [2025-01-09 01:17:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2025-01-09 01:17:52,093 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 23 [2025-01-09 01:17:52,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:17:52,093 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2025-01-09 01:17:52,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 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) [2025-01-09 01:17:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2025-01-09 01:17:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-09 01:17:52,093 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:17:52,093 INFO L218 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] [2025-01-09 01:17:52,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:52,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:52,294 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:17:52,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:17:52,294 INFO L85 PathProgramCache]: Analyzing trace with hash 549123099, now seen corresponding path program 1 times [2025-01-09 01:17:52,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:17:52,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538538246] [2025-01-09 01:17:52,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:17:52,295 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 [2025-01-09 01:17:52,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:17:52,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:17:52,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:52,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-09 01:17:53,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-09 01:17:53,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:17:53,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:17:53,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 01:17:53,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:17:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:17:54,405 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:17:54,405 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:17:54,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538538246] [2025-01-09 01:17:54,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538538246] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:17:54,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:17:54,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 01:17:54,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392471071] [2025-01-09 01:17:54,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:17:54,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 01:17:54,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:17:54,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 01:17:54,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:17:54,407 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2025-01-09 01:17:56,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:17:56,512 INFO L93 Difference]: Finished difference Result 91 states and 114 transitions. [2025-01-09 01:17:56,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 01:17:56,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 [2025-01-09 01:17:56,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:17:56,515 INFO L225 Difference]: With dead ends: 91 [2025-01-09 01:17:56,515 INFO L226 Difference]: Without dead ends: 87 [2025-01-09 01:17:56,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-01-09 01:17:56,516 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 117 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-09 01:17:56,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 390 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-09 01:17:56,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-01-09 01:17:56,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 73. [2025-01-09 01:17:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 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) [2025-01-09 01:17:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2025-01-09 01:17:56,535 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 23 [2025-01-09 01:17:56,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:17:56,536 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2025-01-09 01:17:56,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2025-01-09 01:17:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2025-01-09 01:17:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 01:17:56,536 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:17:56,536 INFO L218 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] [2025-01-09 01:17:56,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-01-09 01:17:56,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:56,737 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:17:56,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:17:56,738 INFO L85 PathProgramCache]: Analyzing trace with hash -598401546, now seen corresponding path program 1 times [2025-01-09 01:17:56,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:17:56,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267536746] [2025-01-09 01:17:56,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:17:56,738 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 [2025-01-09 01:17:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:17:56,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:17:56,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:17:56,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 01:17:57,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 01:17:57,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:17:57,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:17:57,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 01:17:57,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:17:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:17:59,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:17:59,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:17:59,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267536746] [2025-01-09 01:17:59,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267536746] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:17:59,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:17:59,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 01:17:59,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98424433] [2025-01-09 01:17:59,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:17:59,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 01:17:59,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:17:59,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 01:17:59,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:17:59,882 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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) [2025-01-09 01:18:09,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:13,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:17,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:20,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:24,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:27,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:32,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:33,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:35,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:18:35,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:18:35,062 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2025-01-09 01:18:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 01:18:35,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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 [2025-01-09 01:18:35,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:18:35,091 INFO L225 Difference]: With dead ends: 77 [2025-01-09 01:18:35,091 INFO L226 Difference]: Without dead ends: 73 [2025-01-09 01:18:35,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:18:35,093 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 71 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2025-01-09 01:18:35,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 192 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 4 Unknown, 0 Unchecked, 34.8s Time] [2025-01-09 01:18:35,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-01-09 01:18:35,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-01-09 01:18:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 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) [2025-01-09 01:18:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2025-01-09 01:18:35,106 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 25 [2025-01-09 01:18:35,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:18:35,106 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2025-01-09 01:18:35,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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) [2025-01-09 01:18:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2025-01-09 01:18:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-09 01:18:35,107 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:18:35,107 INFO L218 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] [2025-01-09 01:18:35,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:18:35,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:18:35,308 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:18:35,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:18:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1371058058, now seen corresponding path program 1 times [2025-01-09 01:18:35,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:18:35,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982367666] [2025-01-09 01:18:35,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:18:35,309 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 [2025-01-09 01:18:35,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:18:35,317 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/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) [2025-01-09 01:18:35,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:18:35,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 01:18:36,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 01:18:36,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:18:36,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:18:36,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 01:18:36,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:18:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:18:38,312 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:18:38,312 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:18:38,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982367666] [2025-01-09 01:18:38,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982367666] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:18:38,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:18:38,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 01:18:38,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612929465] [2025-01-09 01:18:38,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:18:38,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 01:18:38,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:18:38,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 01:18:38,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 01:18:38,314 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 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) [2025-01-09 01:18:39,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:18:39,821 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2025-01-09 01:18:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 01:18:39,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 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 [2025-01-09 01:18:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:18:39,821 INFO L225 Difference]: With dead ends: 73 [2025-01-09 01:18:39,822 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:18:39,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-01-09 01:18:39,822 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 33 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 01:18:39,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 59 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 01:18:39,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:18:39,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:18:39,823 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) [2025-01-09 01:18:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:18:39,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2025-01-09 01:18:39,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:18:39,824 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:18:39,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 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) [2025-01-09 01:18:39,824 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:18:39,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:18:39,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:18:39,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 01:18:40,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/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 [2025-01-09 01:18:40,032 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 01:18:40,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:18:41,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:18:41,320 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,320 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,320 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:18:41,320 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:18:41,320 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:18:41,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:18:41,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:18:41,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2025-01-09 01:18:41,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:18:41,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:18:41,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:18:41 BoogieIcfgContainer [2025-01-09 01:18:41,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:18:41,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:18:41,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:18:41,323 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:18:41,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:39" (3/4) ... [2025-01-09 01:18:41,325 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:18:41,328 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2025-01-09 01:18:41,328 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2025-01-09 01:18:41,332 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2025-01-09 01:18:41,332 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-01-09 01:18:41,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 01:18:41,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:18:41,432 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:18:41,434 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:18:41,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:18:41,435 INFO L158 Benchmark]: Toolchain (without parser) took 86816.09ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 49.5MB in the end (delta: 10.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2025-01-09 01:18:41,435 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:18:41,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.45ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 44.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:18:41,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.69ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 41.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:18:41,436 INFO L158 Benchmark]: Boogie Preprocessor took 49.83ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 36.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:18:41,437 INFO L158 Benchmark]: RCFGBuilder took 24436.60ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 41.7MB in the end (delta: -4.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2025-01-09 01:18:41,437 INFO L158 Benchmark]: TraceAbstraction took 61895.82ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 24.4MB in the end (delta: 16.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2025-01-09 01:18:41,438 INFO L158 Benchmark]: Witness Printer took 111.32ms. Allocated memory is still 83.9MB. Free memory was 24.4MB in the beginning and 49.5MB in the end (delta: -25.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:18:41,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.45ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 44.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.69ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 41.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.83ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 36.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 24436.60ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 41.7MB in the end (delta: -4.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 61895.82ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 24.4MB in the end (delta: 16.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 111.32ms. Allocated memory is still 83.9MB. Free memory was 24.4MB in the beginning and 49.5MB in the end (delta: -25.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 244]: 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, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 43.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 508 SdHoareTripleChecker+Valid, 39.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 506 mSDsluCounter, 1817 SdHoareTripleChecker+Invalid, 38.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1361 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 299 IncrementalHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 456 mSDtfsCounter, 299 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 122 ConstructedInterpolants, 62 QuantifiedInterpolants, 1941 SizeOfPredicates, 30 NumberOfNonLiveVariables, 916 ConjunctsInSsa, 72 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 01:18:41,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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