./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1031.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1031.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 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 13:13:19,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:13:19,280 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 13:13:19,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:13:19,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:13:19,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:13:19,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:13:19,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:13:19,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:13:19,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:13:19,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:13:19,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:13:19,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:13:19,300 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:13:19,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:13:19,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:13:19,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:13:19,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:13:19,301 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 -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f [2025-02-05 13:13:19,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:13:19,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:13:19,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:13:19,495 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:13:19,495 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:13:19,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2025-02-05 13:13:20,694 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fd23fdf9/325c03c8735a425a82955f8849de47f2/FLAG71c1a5b69 [2025-02-05 13:13:20,959 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:13:20,961 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2025-02-05 13:13:20,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fd23fdf9/325c03c8735a425a82955f8849de47f2/FLAG71c1a5b69 [2025-02-05 13:13:21,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3fd23fdf9/325c03c8735a425a82955f8849de47f2 [2025-02-05 13:13:21,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:13:21,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:13:21,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:13:21,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:13:21,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:13:21,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f39ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21, skipping insertion in model container [2025-02-05 13:13:21,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:13:21,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2025-02-05 13:13:21,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:13:21,424 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:13:21,444 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2025-02-05 13:13:21,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:13:21,456 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:13:21,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21 WrapperNode [2025-02-05 13:13:21,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:13:21,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:13:21,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:13:21,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:13:21,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,482 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2025-02-05 13:13:21,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:13:21,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:13:21,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:13:21,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:13:21,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,503 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-02-05 13:13:21,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:13:21,511 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:13:21,511 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:13:21,511 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:13:21,512 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (1/1) ... [2025-02-05 13:13:21,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:13:21,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:13:21,536 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) [2025-02-05 13:13:21,544 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 [2025-02-05 13:13:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:13:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 13:13:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 13:13:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 13:13:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:13:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-05 13:13:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-05 13:13:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-05 13:13:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 13:13:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 13:13:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 13:13:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-05 13:13:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-05 13:13:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-05 13:13:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:13:21,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:13:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 13:13:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 13:13:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 13:13:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:13:21,619 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:13:21,620 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:13:21,752 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2025-02-05 13:13:21,752 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:13:21,773 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:13:21,773 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 13:13:21,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:13:21 BoogieIcfgContainer [2025-02-05 13:13:21,774 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:13:21,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:13:21,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:13:21,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:13:21,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:13:21" (1/3) ... [2025-02-05 13:13:21,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3f9ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:13:21, skipping insertion in model container [2025-02-05 13:13:21,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:21" (2/3) ... [2025-02-05 13:13:21,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3f9ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:13:21, skipping insertion in model container [2025-02-05 13:13:21,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:13:21" (3/3) ... [2025-02-05 13:13:21,780 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1031.c [2025-02-05 13:13:21,789 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:13:21,790 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1031.c that has 1 procedures, 47 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2025-02-05 13:13:21,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:13:21,828 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;@13746644, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:13:21,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-02-05 13:13:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 43 states have (on average 1.5813953488372092) internal successors, (68), 46 states have internal predecessors, (68), 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) [2025-02-05 13:13:21,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-05 13:13:21,833 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:13:21,834 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-05 13:13:21,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-02-05 13:13:21,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:13:21,837 INFO L85 PathProgramCache]: Analyzing trace with hash 105895053, now seen corresponding path program 1 times [2025-02-05 13:13:21,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 13:13:21,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667278687] [2025-02-05 13:13:21,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:13:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 13:13:21,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-05 13:13:21,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-05 13:13:21,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:13:21,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:13:21,890 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 13:13:21,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-05 13:13:21,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-05 13:13:21,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:13:21,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:13:21,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 13:13:21,905 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 13:13:21,906 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 3 remaining) [2025-02-05 13:13:21,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2025-02-05 13:13:21,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 3 remaining) [2025-02-05 13:13:21,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 13:13:21,910 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 13:13:21,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:13:21,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:13:21 BoogieIcfgContainer [2025-02-05 13:13:21,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:13:21,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:13:21,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:13:21,922 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:13:21,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:13:21" (3/4) ... [2025-02-05 13:13:21,924 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 13:13:21,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:13:21,925 INFO L158 Benchmark]: Toolchain (without parser) took 651.64ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 88.9MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 13:13:21,925 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:13:21,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.96ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 120.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:13:21,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.72ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 119.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:13:21,927 INFO L158 Benchmark]: Boogie Preprocessor took 27.48ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 117.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:13:21,927 INFO L158 Benchmark]: IcfgBuilder took 262.47ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 101.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 13:13:21,927 INFO L158 Benchmark]: TraceAbstraction took 145.77ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 88.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:13:21,927 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 167.8MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:13:21,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.96ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 120.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.72ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 119.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.48ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 117.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 262.47ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 101.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 145.77ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 88.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 167.8MB. Free memory is still 88.9MB. 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: 19]: 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 19, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L67] float x = 0.0f / 0.0f; [L68] CALL round_float(x) [L14] __uint32_t w; [L16] int exponent_less_127; VAL [x=53] [L22] COND TRUE 0 [L19] ieee_float_shape_type gf_u; VAL [x=53] - UnprovableResult [Line: 72]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 [2025-02-05 13:13:21,948 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/float_req_bl_1031.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 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 13:13:24,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:13:24,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 13:13:24,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:13:24,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:13:24,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:13:24,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:13:24,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:13:24,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:13:24,255 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:13:24,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:13:24,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:13:24,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 13:13:24,256 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:13:24,257 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:13:24,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:13:24,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:13:24,257 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 -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f [2025-02-05 13:13:24,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:13:24,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:13:24,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:13:24,517 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:13:24,517 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:13:24,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2025-02-05 13:13:25,705 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e65a0eeb/b71a57bccbb4477fab321b42a24f4edf/FLAG4c68056ec [2025-02-05 13:13:25,951 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:13:25,953 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2025-02-05 13:13:25,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e65a0eeb/b71a57bccbb4477fab321b42a24f4edf/FLAG4c68056ec [2025-02-05 13:13:26,308 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7e65a0eeb/b71a57bccbb4477fab321b42a24f4edf [2025-02-05 13:13:26,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:13:26,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:13:26,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:13:26,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:13:26,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:13:26,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440b43e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26, skipping insertion in model container [2025-02-05 13:13:26,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:13:26,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2025-02-05 13:13:26,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:13:26,435 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:13:26,447 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2025-02-05 13:13:26,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:13:26,457 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:13:26,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26 WrapperNode [2025-02-05 13:13:26,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:13:26,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:13:26,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:13:26,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:13:26,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,480 INFO L138 Inliner]: procedures = 19, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2025-02-05 13:13:26,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:13:26,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:13:26,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:13:26,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:13:26,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,496 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-02-05 13:13:26,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:13:26,528 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:13:26,528 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:13:26,528 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:13:26,532 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (1/1) ... [2025-02-05 13:13:26,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:13:26,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:13:26,582 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) [2025-02-05 13:13:26,587 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 [2025-02-05 13:13:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:13:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-05 13:13:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:13:26,684 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:13:26,685 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:13:26,872 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-02-05 13:13:26,873 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:13:26,881 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:13:26,881 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 13:13:26,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:13:26 BoogieIcfgContainer [2025-02-05 13:13:26,883 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:13:26,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:13:26,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:13:26,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:13:26,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:13:26" (1/3) ... [2025-02-05 13:13:26,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28aaf767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:13:26, skipping insertion in model container [2025-02-05 13:13:26,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:13:26" (2/3) ... [2025-02-05 13:13:26,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28aaf767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:13:26, skipping insertion in model container [2025-02-05 13:13:26,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:13:26" (3/3) ... [2025-02-05 13:13:26,891 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1031.c [2025-02-05 13:13:26,901 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:13:26,902 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1031.c that has 1 procedures, 21 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-05 13:13:26,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:13:26,948 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;@16bddf60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:13:26,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 13:13:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 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) [2025-02-05 13:13:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-05 13:13:26,955 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:13:26,956 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:13:26,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:13:26,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:13:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash -610185003, now seen corresponding path program 1 times [2025-02-05 13:13:26,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:13:26,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364407416] [2025-02-05 13:13:26,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:13:26,969 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 [2025-02-05 13:13:26,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:13:26,971 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) [2025-02-05 13:13:26,974 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 [2025-02-05 13:13:27,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-05 13:13:27,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-05 13:13:27,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:13:27,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:13:27,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 13:13:27,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:13:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:13:27,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:13:27,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:13:27,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364407416] [2025-02-05 13:13:27,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364407416] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:13:27,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:13:27,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 13:13:27,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904719725] [2025-02-05 13:13:27,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:13:27,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 13:13:27,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:13:27,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 13:13:27,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 13:13:27,099 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-02-05 13:13:27,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:13:27,108 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions. [2025-02-05 13:13:27,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 13:13:27,109 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2025-02-05 13:13:27,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:13:27,114 INFO L225 Difference]: With dead ends: 40 [2025-02-05 13:13:27,115 INFO L226 Difference]: Without dead ends: 18 [2025-02-05 13:13:27,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 13:13:27,119 INFO L435 NwaCegarLoop]: 25 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, 25 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 [2025-02-05 13:13:27,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 13:13:27,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-02-05 13:13:27,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-02-05 13:13:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 13:13:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2025-02-05 13:13:27,142 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2025-02-05 13:13:27,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:13:27,142 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2025-02-05 13:13:27,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-02-05 13:13:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2025-02-05 13:13:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-05 13:13:27,143 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:13:27,143 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:13:27,149 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-02-05 13:13:27,344 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 [2025-02-05 13:13:27,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:13:27,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:13:27,345 INFO L85 PathProgramCache]: Analyzing trace with hash 280024571, now seen corresponding path program 1 times [2025-02-05 13:13:27,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:13:27,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630090682] [2025-02-05 13:13:27,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:13:27,350 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 [2025-02-05 13:13:27,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:13:27,352 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) [2025-02-05 13:13:27,353 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 [2025-02-05 13:13:27,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-05 13:13:27,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-05 13:13:27,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:13:27,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:13:27,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-05 13:13:27,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:13:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:13:27,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:13:27,550 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:13:27,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630090682] [2025-02-05 13:13:27,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630090682] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:13:27,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:13:27,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 13:13:27,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666395796] [2025-02-05 13:13:27,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:13:27,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 13:13:27,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:13:27,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 13:13:27,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-05 13:13:27,552 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2025-02-05 13:13:27,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:13:27,681 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2025-02-05 13:13:27,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 13:13:27,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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 [2025-02-05 13:13:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:13:27,682 INFO L225 Difference]: With dead ends: 23 [2025-02-05 13:13:27,682 INFO L226 Difference]: Without dead ends: 17 [2025-02-05 13:13:27,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-05 13:13:27,683 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 24 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 13:13:27,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 61 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 13:13:27,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-05 13:13:27,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-05 13:13:27,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 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) [2025-02-05 13:13:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2025-02-05 13:13:27,688 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2025-02-05 13:13:27,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:13:27,688 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2025-02-05 13:13:27,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2025-02-05 13:13:27,689 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2025-02-05 13:13:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-05 13:13:27,689 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:13:27,689 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:13:27,693 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 [2025-02-05 13:13:27,889 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 [2025-02-05 13:13:27,890 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:13:27,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:13:27,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1024996240, now seen corresponding path program 1 times [2025-02-05 13:13:27,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:13:27,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929455146] [2025-02-05 13:13:27,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:13:27,891 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 [2025-02-05 13:13:27,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:13:27,896 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) [2025-02-05 13:13:27,897 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 [2025-02-05 13:13:27,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-05 13:13:27,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-05 13:13:27,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:13:27,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:13:27,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-05 13:13:27,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:13:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:13:28,070 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:13:28,070 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:13:28,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929455146] [2025-02-05 13:13:28,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929455146] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:13:28,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:13:28,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 13:13:28,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553183817] [2025-02-05 13:13:28,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:13:28,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 13:13:28,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:13:28,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 13:13:28,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 13:13:28,073 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2025-02-05 13:13:28,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:13:28,151 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2025-02-05 13:13:28,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 13:13:28,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2025-02-05 13:13:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:13:28,151 INFO L225 Difference]: With dead ends: 17 [2025-02-05 13:13:28,151 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 13:13:28,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-05 13:13:28,152 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 13:13:28,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 13:13:28,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 13:13:28,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 13:13:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 13:13:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 13:13:28,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2025-02-05 13:13:28,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:13:28,153 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 13:13:28,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2025-02-05 13:13:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 13:13:28,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 13:13:28,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 13:13:28,162 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 [2025-02-05 13:13:28,356 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 [2025-02-05 13:13:28,359 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-05 13:13:28,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 13:13:28,384 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:13:28,395 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:13:28,396 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:13:28,399 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-02-05 13:13:28,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:13:28 BoogieIcfgContainer [2025-02-05 13:13:28,401 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:13:28,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:13:28,402 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:13:28,402 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:13:28,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:13:26" (3/4) ... [2025-02-05 13:13:28,408 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 13:13:28,412 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-05 13:13:28,412 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-05 13:13:28,412 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 13:13:28,412 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 13:13:28,470 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 13:13:28,474 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 13:13:28,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:13:28,474 INFO L158 Benchmark]: Toolchain (without parser) took 2163.88ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 59.6MB in the beginning and 60.6MB in the end (delta: -948.5kB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2025-02-05 13:13:28,474 INFO L158 Benchmark]: CDTParser took 2.56ms. Allocated memory is still 83.9MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:13:28,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.45ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:13:28,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.85ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:13:28,475 INFO L158 Benchmark]: Boogie Preprocessor took 45.81ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:13:28,475 INFO L158 Benchmark]: IcfgBuilder took 355.33ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 54.1MB in the end (delta: -9.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2025-02-05 13:13:28,475 INFO L158 Benchmark]: TraceAbstraction took 1516.37ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 53.6MB in the beginning and 66.0MB in the end (delta: -12.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2025-02-05 13:13:28,475 INFO L158 Benchmark]: Witness Printer took 72.16ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 60.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:13:28,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.56ms. Allocated memory is still 83.9MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.45ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.85ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.81ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 355.33ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 54.1MB in the end (delta: -9.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1516.37ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 53.6MB in the beginning and 66.0MB in the end (delta: -12.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Witness Printer took 72.16ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 60.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 72]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 43 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 148 SizeOfPredicates, 6 NumberOfNonLiveVariables, 123 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-05 13:13:28,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE