./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0681b.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/double_req_bl_0681b.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 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:06:20,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:06:20,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:06:20,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:06:20,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:06:20,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:06:20,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:06:20,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:06:20,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:06:20,598 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:06:20,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:06:20,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:06:20,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:06:20,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:06:20,600 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:06:20,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:06:20,601 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:06:20,602 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:06:20,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:06:20,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:06:20,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:06:20,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:06:20,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:06:20,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:06:20,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:06:20,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:06:20,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:06:20,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:06:20,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:06:20,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:06:20,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:06:20,604 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 -> 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 [2025-01-09 01:06:20,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:06:20,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:06:20,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:06:20,889 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:06:20,889 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:06:20,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2025-01-09 01:06:22,120 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3c0e4019/027659acc1174e528efda2ff60d24c28/FLAG005b94261 [2025-01-09 01:06:22,374 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:06:22,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2025-01-09 01:06:22,382 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3c0e4019/027659acc1174e528efda2ff60d24c28/FLAG005b94261 [2025-01-09 01:06:22,394 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3c0e4019/027659acc1174e528efda2ff60d24c28 [2025-01-09 01:06:22,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:06:22,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:06:22,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:06:22,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:06:22,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:06:22,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa8d4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22, skipping insertion in model container [2025-01-09 01:06:22,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:06:22,627 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/double_req_bl_0681b.c[6391,6404] [2025-01-09 01:06:22,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:06:22,639 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:06:22,696 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/double_req_bl_0681b.c[6391,6404] [2025-01-09 01:06:22,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:06:22,713 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:06:22,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22 WrapperNode [2025-01-09 01:06:22,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:06:22,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:06:22,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:06:22,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:06:22,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,769 INFO L138 Inliner]: procedures = 21, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 338 [2025-01-09 01:06:22,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:06:22,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:06:22,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:06:22,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:06:22,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,803 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 01:06:22,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,817 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:06:22,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:06:22,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:06:22,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:06:22,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (1/1) ... [2025-01-09 01:06:22,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:06:22,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:06:22,876 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 01:06:22,886 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 01:06:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:06:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 01:06:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-01-09 01:06:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:06:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-01-09 01:06:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 01:06:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2025-01-09 01:06:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2025-01-09 01:06:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-01-09 01:06:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2025-01-09 01:06:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2025-01-09 01:06:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:06:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:06:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 01:06:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-01-09 01:06:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:06:23,006 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:06:23,008 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:06:23,494 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2025-01-09 01:06:23,494 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:06:23,509 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:06:23,510 INFO L312 CfgBuilder]: Removed 18 assume(true) statements. [2025-01-09 01:06:23,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:06:23 BoogieIcfgContainer [2025-01-09 01:06:23,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:06:23,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:06:23,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:06:23,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:06:23,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:06:22" (1/3) ... [2025-01-09 01:06:23,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204f2422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:06:23, skipping insertion in model container [2025-01-09 01:06:23,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:22" (2/3) ... [2025-01-09 01:06:23,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204f2422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:06:23, skipping insertion in model container [2025-01-09 01:06:23,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:06:23" (3/3) ... [2025-01-09 01:06:23,528 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2025-01-09 01:06:23,543 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:06:23,545 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0681b.c that has 3 procedures, 140 locations, 1 initial locations, 18 loop locations, and 10 error locations. [2025-01-09 01:06:23,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:06:23,614 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;@c651cc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:06:23,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-01-09 01:06:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 123 states have (on average 1.7560975609756098) internal successors, (216), 133 states have internal predecessors, (216), 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 01:06:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:06:23,625 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:06:23,625 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:06:23,626 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [fabs_doubleErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, fabs_doubleErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, atan_doubleErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 7 more)] === [2025-01-09 01:06:23,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:06:23,631 INFO L85 PathProgramCache]: Analyzing trace with hash 5019910, now seen corresponding path program 1 times [2025-01-09 01:06:23,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:06:23,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727523544] [2025-01-09 01:06:23,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:06:23,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:06:23,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:06:23,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:06:23,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:06:23,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:06:23,776 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:06:23,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:06:23,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:06:23,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:06:23,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:06:23,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:06:23,848 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:06:23,849 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 10 remaining) [2025-01-09 01:06:23,852 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_doubleErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 10 remaining) [2025-01-09 01:06:23,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_doubleErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 10 remaining) [2025-01-09 01:06:23,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location atan_doubleErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 10 remaining) [2025-01-09 01:06:23,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location atan_doubleErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 10 remaining) [2025-01-09 01:06:23,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 10 remaining) [2025-01-09 01:06:23,853 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 10 remaining) [2025-01-09 01:06:23,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 10 remaining) [2025-01-09 01:06:23,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 10 remaining) [2025-01-09 01:06:23,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 10 remaining) [2025-01-09 01:06:23,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:06:23,861 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:06:23,879 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:06:23,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:06:23 BoogieIcfgContainer [2025-01-09 01:06:23,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:06:23,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:06:23,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:06:23,888 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:06:23,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:06:23" (3/4) ... [2025-01-09 01:06:23,891 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:06:23,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:06:23,894 INFO L158 Benchmark]: Toolchain (without parser) took 1496.44ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 103.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2025-01-09 01:06:23,894 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:06:23,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.02ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 95.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:06:23,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.70ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 92.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:06:23,896 INFO L158 Benchmark]: Boogie Preprocessor took 66.88ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:06:23,896 INFO L158 Benchmark]: RCFGBuilder took 667.12ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 57.5MB in the end (delta: 31.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:06:23,897 INFO L158 Benchmark]: TraceAbstraction took 367.47ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 103.7MB in the end (delta: -46.1MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2025-01-09 01:06:23,897 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 103.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:06:23,899 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.02ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 95.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.70ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 92.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.88ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.12ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 57.5MB in the end (delta: 31.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 367.47ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 103.7MB in the end (delta: -46.1MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 103.6MB in the end (delta: 41.6kB). 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: 150]: 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 150, overapproximation of someUnaryDOUBLEoperation at line 266, overapproximation of someUnaryDOUBLEoperation at line 54. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L265] double x = 0.0; [L266] double y = -0.0; [L267] CALL __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000031, zero_atan2=0] [L150] ieee_double_shape_type ew_u; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000031, zero_atan2=0] - 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: 27]: 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: 71]: 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: 79]: 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: 157]: 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: 227]: 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: 232]: 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: 250]: 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: 270]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=140occurred 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, 0.1s 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 01:06:23,916 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 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/double_req_bl_0681b.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 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:06:26,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:06:26,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:06:26,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:06:26,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:06:26,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:06:26,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:06:26,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:06:26,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:06:26,203 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:06:26,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:06:26,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:06:26,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:06:26,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:06:26,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:06:26,208 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:06:26,209 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:06:26,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:06:26,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:06:26,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:06:26,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:06:26,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:06:26,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:06:26,210 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 -> 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 [2025-01-09 01:06:26,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:06:26,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:06:26,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:06:26,492 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:06:26,493 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:06:26,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2025-01-09 01:06:27,775 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/968cd4085/a7489a24ba6e4adfb38fa109f55cfc31/FLAGef7be7555 [2025-01-09 01:06:27,984 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:06:27,984 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2025-01-09 01:06:27,992 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/968cd4085/a7489a24ba6e4adfb38fa109f55cfc31/FLAGef7be7555 [2025-01-09 01:06:28,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/968cd4085/a7489a24ba6e4adfb38fa109f55cfc31 [2025-01-09 01:06:28,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:06:28,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:06:28,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:06:28,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:06:28,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:06:28,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a47766e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28, skipping insertion in model container [2025-01-09 01:06:28,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:06:28,605 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/double_req_bl_0681b.c[6391,6404] [2025-01-09 01:06:28,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:06:28,626 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:06:28,678 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/double_req_bl_0681b.c[6391,6404] [2025-01-09 01:06:28,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:06:28,702 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:06:28,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28 WrapperNode [2025-01-09 01:06:28,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:06:28,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:06:28,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:06:28,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:06:28,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,755 INFO L138 Inliner]: procedures = 24, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 244 [2025-01-09 01:06:28,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:06:28,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:06:28,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:06:28,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:06:28,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,807 INFO L175 MemorySlicer]: Split 61 memory accesses to 13 slices as follows [2, 7, 2, 7, 23, 3, 3, 2, 3, 3, 2, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 4, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 23 writes are split as follows [0, 0, 1, 0, 12, 1, 1, 1, 2, 2, 1, 1, 1]. [2025-01-09 01:06:28,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:06:28,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:06:28,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:06:28,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:06:28,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (1/1) ... [2025-01-09 01:06:28,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:06:28,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:06:28,900 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 01:06:28,911 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 01:06:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2025-01-09 01:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2025-01-09 01:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2025-01-09 01:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2025-01-09 01:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2025-01-09 01:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#2 [2025-01-09 01:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#3 [2025-01-09 01:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#4 [2025-01-09 01:06:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#5 [2025-01-09 01:06:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#6 [2025-01-09 01:06:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#7 [2025-01-09 01:06:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#8 [2025-01-09 01:06:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#9 [2025-01-09 01:06:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#10 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#11 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#12 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-01-09 01:06:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:06:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:06:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:06:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:06:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-01-09 01:06:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-01-09 01:06:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-01-09 01:06:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-01-09 01:06:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-01-09 01:06:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-01-09 01:06:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-01-09 01:06:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:06:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2025-01-09 01:06:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2025-01-09 01:06:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2025-01-09 01:06:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:06:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:06:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-01-09 01:06:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:06:29,117 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:06:29,119 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:07:19,096 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-01-09 01:07:19,097 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:07:19,103 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:07:19,104 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2025-01-09 01:07:19,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:07:19 BoogieIcfgContainer [2025-01-09 01:07:19,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:07:19,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:07:19,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:07:19,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:07:19,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:06:28" (1/3) ... [2025-01-09 01:07:19,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75092322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:07:19, skipping insertion in model container [2025-01-09 01:07:19,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:06:28" (2/3) ... [2025-01-09 01:07:19,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75092322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:07:19, skipping insertion in model container [2025-01-09 01:07:19,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:07:19" (3/3) ... [2025-01-09 01:07:19,110 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2025-01-09 01:07:19,118 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:07:19,119 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0681b.c that has 3 procedures, 91 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-01-09 01:07:19,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:07:19,161 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;@119c03fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:07:19,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:07:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 83 states have (on average 1.6746987951807228) internal successors, (139), 84 states have internal predecessors, (139), 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 01:07:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-09 01:07:19,169 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:07:19,169 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:07:19,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:07:19,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:07:19,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1819719171, now seen corresponding path program 1 times [2025-01-09 01:07:19,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:07:19,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369118282] [2025-01-09 01:07:19,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:07:19,182 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 01:07:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:07:19,185 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 01:07:19,190 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 01:07:19,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-09 01:07:19,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-09 01:07:19,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:07:19,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:07:19,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:07:19,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:07:19,566 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 01:07:19,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:07:19,567 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:07:19,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369118282] [2025-01-09 01:07:19,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369118282] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:07:19,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:07:19,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:07:19,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539831591] [2025-01-09 01:07:19,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:07:19,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:07:19,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:07:19,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:07:19,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:07:19,586 INFO L87 Difference]: Start difference. First operand has 91 states, 83 states have (on average 1.6746987951807228) internal successors, (139), 84 states have internal predecessors, (139), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:07:19,609 INFO L93 Difference]: Finished difference Result 180 states and 296 transitions. [2025-01-09 01:07:19,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:07:19,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-01-09 01:07:19,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:07:19,615 INFO L225 Difference]: With dead ends: 180 [2025-01-09 01:07:19,615 INFO L226 Difference]: Without dead ends: 88 [2025-01-09 01:07:19,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:07:19,619 INFO L435 NwaCegarLoop]: 128 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, 128 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 01:07:19,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:07:19,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-01-09 01:07:19,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2025-01-09 01:07:19,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4444444444444444) internal successors, (117), 81 states have internal predecessors, (117), 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 01:07:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 125 transitions. [2025-01-09 01:07:19,645 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 125 transitions. Word has length 11 [2025-01-09 01:07:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:07:19,645 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 125 transitions. [2025-01-09 01:07:19,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2025-01-09 01:07:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-09 01:07:19,646 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:07:19,646 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:07:19,659 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 01:07:19,847 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 01:07:19,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:07:19,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:07:19,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1898843725, now seen corresponding path program 1 times [2025-01-09 01:07:19,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:07:19,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25589540] [2025-01-09 01:07:19,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:07:19,849 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 01:07:19,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:07:19,851 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 01:07:19,853 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 01:07:19,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-09 01:07:20,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-09 01:07:20,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:07:20,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:07:20,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 01:07:20,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:07:26,684 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 01:07:26,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:07:26,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:07:26,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25589540] [2025-01-09 01:07:26,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25589540] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:07:26,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:07:26,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 01:07:26,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702390432] [2025-01-09 01:07:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:07:26,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 01:07:26,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:07:26,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 01:07:26,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:07:26,687 INFO L87 Difference]: Start difference. First operand 88 states and 125 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:07:36,908 INFO L93 Difference]: Finished difference Result 158 states and 217 transitions. [2025-01-09 01:07:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 01:07:36,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-09 01:07:36,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:07:36,910 INFO L225 Difference]: With dead ends: 158 [2025-01-09 01:07:36,910 INFO L226 Difference]: Without dead ends: 89 [2025-01-09 01:07:36,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-01-09 01:07:36,911 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 146 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2025-01-09 01:07:36,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 413 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2025-01-09 01:07:36,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-01-09 01:07:36,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2025-01-09 01:07:36,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.318840579710145) internal successors, (91), 69 states have internal predecessors, (91), 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 01:07:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2025-01-09 01:07:36,921 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 13 [2025-01-09 01:07:36,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:07:36,921 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2025-01-09 01:07:36,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2025-01-09 01:07:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-09 01:07:36,922 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:07:36,922 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:07:36,934 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 01:07:37,122 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 01:07:37,123 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:07:37,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:07:37,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1629709646, now seen corresponding path program 1 times [2025-01-09 01:07:37,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:07:37,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455529923] [2025-01-09 01:07:37,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:07:37,127 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 01:07:37,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:07:37,129 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 01:07:37,131 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 01:07:37,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-09 01:07:37,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-09 01:07:37,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:07:37,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:07:37,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 01:07:37,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:07:41,458 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 01:07:41,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:07:41,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:07:41,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455529923] [2025-01-09 01:07:41,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455529923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:07:41,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:07:41,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 01:07:41,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809101838] [2025-01-09 01:07:41,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:07:41,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 01:07:41,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:07:41,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 01:07:41,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:07:41,460 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:45,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:07:46,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:07:46,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:07:46,773 INFO L93 Difference]: Finished difference Result 134 states and 173 transitions. [2025-01-09 01:07:46,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 01:07:46,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-01-09 01:07:46,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:07:46,776 INFO L225 Difference]: With dead ends: 134 [2025-01-09 01:07:46,776 INFO L226 Difference]: Without dead ends: 76 [2025-01-09 01:07:46,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:07:46,777 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 41 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-01-09 01:07:46,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 314 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-01-09 01:07:46,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-01-09 01:07:46,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2025-01-09 01:07:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 69 states have internal predecessors, (90), 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 01:07:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2025-01-09 01:07:46,784 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 16 [2025-01-09 01:07:46,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:07:46,784 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2025-01-09 01:07:46,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2025-01-09 01:07:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-09 01:07:46,785 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:07:46,785 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:07:46,799 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 01:07:46,985 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 01:07:46,985 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:07:46,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:07:46,988 INFO L85 PathProgramCache]: Analyzing trace with hash 771053524, now seen corresponding path program 1 times [2025-01-09 01:07:46,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:07:46,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948852861] [2025-01-09 01:07:46,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:07:46,989 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 01:07:46,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:07:46,991 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 01:07:46,993 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 01:07:47,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 01:07:47,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 01:07:47,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:07:47,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:07:47,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 01:07:47,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:07:51,183 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 01:07:51,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:07:51,184 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:07:51,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948852861] [2025-01-09 01:07:51,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948852861] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:07:51,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:07:51,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 01:07:51,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891306238] [2025-01-09 01:07:51,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:07:51,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 01:07:51,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:07:51,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 01:07:51,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 01:07:51,185 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:56,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:07:59,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:07:59,036 INFO L93 Difference]: Finished difference Result 141 states and 182 transitions. [2025-01-09 01:07:59,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 01:07:59,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-01-09 01:07:59,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:07:59,038 INFO L225 Difference]: With dead ends: 141 [2025-01-09 01:07:59,038 INFO L226 Difference]: Without dead ends: 78 [2025-01-09 01:07:59,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2025-01-09 01:07:59,040 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 95 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 01:07:59,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 321 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 01:07:59,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-09 01:07:59,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2025-01-09 01:07:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 69 states have internal predecessors, (88), 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 01:07:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2025-01-09 01:07:59,045 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 18 [2025-01-09 01:07:59,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:07:59,046 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2025-01-09 01:07:59,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:07:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2025-01-09 01:07:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-09 01:07:59,046 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:07:59,046 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:07:59,057 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 01:07:59,247 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 01:07:59,247 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:07:59,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:07:59,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1748906410, now seen corresponding path program 1 times [2025-01-09 01:07:59,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:07:59,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842309061] [2025-01-09 01:07:59,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:07:59,248 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 01:07:59,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:07:59,250 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 01:07:59,252 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 01:07:59,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 01:07:59,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 01:07:59,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:07:59,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:07:59,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 01:07:59,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:08:02,160 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 01:08:02,160 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:08:02,161 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:08:02,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842309061] [2025-01-09 01:08:02,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842309061] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:08:02,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:08:02,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 01:08:02,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608069157] [2025-01-09 01:08:02,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:08:02,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 01:08:02,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:08:02,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 01:08:02,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:08:02,164 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:08:05,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:08:06,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []