./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 15:52:10,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 15:52:10,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 15:52:10,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 15:52:10,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 15:52:10,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 15:52:10,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 15:52:10,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 15:52:10,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 15:52:10,781 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 15:52:10,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 15:52:10,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 15:52:10,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 15:52:10,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 15:52:10,782 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 15:52:10,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 15:52:10,783 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 15:52:10,784 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 15:52:10,784 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 15:52:10,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 15:52:10,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 15:52:10,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 15:52:10,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 15:52:10,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 15:52:10,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 15:52:10,784 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 15:52:10,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 15:52:10,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 15:52:10,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 15:52:10,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 15:52:10,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 15:52:10,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 15:52:10,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 15:52:10,785 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/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 -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2025-03-16 15:52:10,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 15:52:10,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 15:52:10,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 15:52:10,985 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 15:52:10,986 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 15:52:10,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2025-03-16 15:52:12,086 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0af0f80/0110c8e065f546ae9e630a47e16be353/FLAG32865635e [2025-03-16 15:52:12,355 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 15:52:12,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2025-03-16 15:52:12,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0af0f80/0110c8e065f546ae9e630a47e16be353/FLAG32865635e [2025-03-16 15:52:12,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0af0f80/0110c8e065f546ae9e630a47e16be353 [2025-03-16 15:52:12,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 15:52:12,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 15:52:12,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 15:52:12,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 15:52:12,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 15:52:12,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94883f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12, skipping insertion in model container [2025-03-16 15:52:12,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 15:52:12,502 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2025-03-16 15:52:12,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 15:52:12,527 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 15:52:12,535 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2025-03-16 15:52:12,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 15:52:12,555 INFO L204 MainTranslator]: Completed translation [2025-03-16 15:52:12,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12 WrapperNode [2025-03-16 15:52:12,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 15:52:12,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 15:52:12,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 15:52:12,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 15:52:12,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,584 INFO L138 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2025-03-16 15:52:12,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 15:52:12,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 15:52:12,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 15:52:12,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 15:52:12,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,605 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 4, 7, 4]. 41 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 2, 1, 3]. [2025-03-16 15:52:12,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 15:52:12,617 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 15:52:12,617 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 15:52:12,617 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 15:52:12,618 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (1/1) ... [2025-03-16 15:52:12,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 15:52:12,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 15:52:12,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 15:52:12,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-16 15:52:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 15:52:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-16 15:52:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 15:52:12,726 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 15:52:12,731 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 15:52:12,870 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L29: havoc cast_#t~mem14#1;call ULTIMATE.dealloc(cast_~#d#1.base, cast_~#d#1.offset);havoc cast_~#d#1.base, cast_~#d#1.offset;call ULTIMATE.dealloc(cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset);havoc cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset;call ULTIMATE.dealloc(cast_~#f~0#1.base, cast_~#f~0#1.offset);havoc cast_~#f~0#1.base, cast_~#f~0#1.offset; [2025-03-16 15:52:12,888 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2025-03-16 15:52:12,889 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 15:52:12,900 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 15:52:12,902 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 15:52:12,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:52:12 BoogieIcfgContainer [2025-03-16 15:52:12,903 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 15:52:12,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 15:52:12,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 15:52:12,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 15:52:12,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 03:52:12" (1/3) ... [2025-03-16 15:52:12,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24124c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:52:12, skipping insertion in model container [2025-03-16 15:52:12,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:12" (2/3) ... [2025-03-16 15:52:12,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24124c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:52:12, skipping insertion in model container [2025-03-16 15:52:12,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:52:12" (3/3) ... [2025-03-16 15:52:12,910 INFO L128 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2025-03-16 15:52:12,922 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 15:52:12,924 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cast_float_ptr.c that has 1 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-16 15:52:12,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 15:52:12,974 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;@8ff43b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 15:52:12,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 15:52:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 15:52:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-16 15:52:12,981 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 15:52:12,981 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 15:52:12,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 15:52:12,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 15:52:12,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1499074262, now seen corresponding path program 1 times [2025-03-16 15:52:12,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 15:52:12,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036937424] [2025-03-16 15:52:12,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 15:52:12,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 15:52:13,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-16 15:52:13,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-16 15:52:13,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 15:52:13,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 15:52:13,084 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 15:52:13,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-16 15:52:13,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-16 15:52:13,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 15:52:13,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 15:52:13,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 15:52:13,126 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 15:52:13,127 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 15:52:13,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 15:52:13,130 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-16 15:52:13,142 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 15:52:13,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 03:52:13 BoogieIcfgContainer [2025-03-16 15:52:13,144 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 15:52:13,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 15:52:13,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 15:52:13,145 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 15:52:13,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:52:12" (3/4) ... [2025-03-16 15:52:13,147 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 15:52:13,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 15:52:13,148 INFO L158 Benchmark]: Toolchain (without parser) took 766.18ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 61.5MB in the end (delta: 45.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-16 15:52:13,148 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 15:52:13,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.34ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 15:52:13,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.07ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 15:52:13,149 INFO L158 Benchmark]: Boogie Preprocessor took 30.69ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 15:52:13,149 INFO L158 Benchmark]: IcfgBuilder took 285.56ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 78.2MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 15:52:13,149 INFO L158 Benchmark]: TraceAbstraction took 239.77ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 62.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 15:52:13,149 INFO L158 Benchmark]: Witness Printer took 2.50ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 61.5MB in the end (delta: 999.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 15:52:13,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.34ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.07ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.69ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 285.56ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 78.2MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 239.77ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 62.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.50ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 61.5MB in the end (delta: 999.7kB). 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: 5]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryDOUBLEComparisonOperation at line 21. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] EXPR (*(unsigned*)&d) & 0x7FF00000 VAL [d={6:0}, dmax={5:0}, f={7:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [d={6:0}, f={7:0}] [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [d={6:0}, f={7:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 23 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 9 NumberOfCodeBlocks, 9 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 [2025-03-16 15:52:13,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 15:52:14,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 15:52:14,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 15:52:14,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 15:52:14,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 15:52:14,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 15:52:14,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 15:52:14,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 15:52:14,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 15:52:14,995 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 15:52:14,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 15:52:14,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 15:52:14,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 15:52:14,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 15:52:14,995 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 15:52:14,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 15:52:14,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 15:52:14,996 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 15:52:14,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 15:52:14,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 15:52:14,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 15:52:14,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 15:52:14,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 15:52:14,998 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/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 -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2025-03-16 15:52:15,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 15:52:15,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 15:52:15,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 15:52:15,214 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 15:52:15,214 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 15:52:15,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2025-03-16 15:52:16,382 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/298a6a106/2c1a23d6bfa249f3b800e0024fd57b1b/FLAGd86121bae [2025-03-16 15:52:16,575 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 15:52:16,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2025-03-16 15:52:16,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/298a6a106/2c1a23d6bfa249f3b800e0024fd57b1b/FLAGd86121bae [2025-03-16 15:52:16,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/298a6a106/2c1a23d6bfa249f3b800e0024fd57b1b [2025-03-16 15:52:16,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 15:52:16,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 15:52:16,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 15:52:16,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 15:52:16,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 15:52:16,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16, skipping insertion in model container [2025-03-16 15:52:16,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 15:52:16,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2025-03-16 15:52:16,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 15:52:16,759 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 15:52:16,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2025-03-16 15:52:16,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 15:52:16,793 INFO L204 MainTranslator]: Completed translation [2025-03-16 15:52:16,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16 WrapperNode [2025-03-16 15:52:16,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 15:52:16,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 15:52:16,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 15:52:16,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 15:52:16,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,828 INFO L138 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2025-03-16 15:52:16,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 15:52:16,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 15:52:16,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 15:52:16,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 15:52:16,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,853 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 4, 4, 7]. 41 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 3, 2, 1]. [2025-03-16 15:52:16,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,865 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 15:52:16,875 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 15:52:16,875 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 15:52:16,875 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 15:52:16,879 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (1/1) ... [2025-03-16 15:52:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 15:52:16,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 15:52:16,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 15:52:16,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-16 15:52:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 15:52:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-16 15:52:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 15:52:16,993 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 15:52:16,995 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 15:52:17,202 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L29: havoc cast_#t~mem13#1;call ULTIMATE.dealloc(cast_~#d#1.base, cast_~#d#1.offset);havoc cast_~#d#1.base, cast_~#d#1.offset;call ULTIMATE.dealloc(cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset);havoc cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset;call ULTIMATE.dealloc(cast_~#f~0#1.base, cast_~#f~0#1.offset);havoc cast_~#f~0#1.base, cast_~#f~0#1.offset; [2025-03-16 15:52:17,209 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-16 15:52:17,209 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 15:52:17,217 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 15:52:17,217 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 15:52:17,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:52:17 BoogieIcfgContainer [2025-03-16 15:52:17,218 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 15:52:17,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 15:52:17,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 15:52:17,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 15:52:17,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 03:52:16" (1/3) ... [2025-03-16 15:52:17,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8f6d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:52:17, skipping insertion in model container [2025-03-16 15:52:17,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:52:16" (2/3) ... [2025-03-16 15:52:17,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8f6d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:52:17, skipping insertion in model container [2025-03-16 15:52:17,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:52:17" (3/3) ... [2025-03-16 15:52:17,225 INFO L128 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2025-03-16 15:52:17,235 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 15:52:17,236 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cast_float_ptr.c that has 1 procedures, 14 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-16 15:52:17,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 15:52:17,281 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;@25cbd10d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 15:52:17,281 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 15:52:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 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) [2025-03-16 15:52:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-16 15:52:17,287 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 15:52:17,287 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 15:52:17,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 15:52:17,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 15:52:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1444763549, now seen corresponding path program 1 times [2025-03-16 15:52:17,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 15:52:17,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161222814] [2025-03-16 15:52:17,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 15:52:17,301 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 [2025-03-16 15:52:17,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 15:52:17,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 15:52:17,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-16 15:52:17,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-16 15:52:17,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-16 15:52:17,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 15:52:17,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 15:52:17,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-16 15:52:17,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 15:52:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 15:52:17,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 15:52:17,611 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 15:52:17,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161222814] [2025-03-16 15:52:17,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161222814] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 15:52:17,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 15:52:17,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 15:52:17,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315664822] [2025-03-16 15:52:17,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 15:52:17,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 15:52:17,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 15:52:17,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 15:52:17,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-16 15:52:17,635 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 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) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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) [2025-03-16 15:52:17,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 15:52:17,893 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2025-03-16 15:52:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 15:52:17,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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 8 [2025-03-16 15:52:17,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 15:52:17,903 INFO L225 Difference]: With dead ends: 24 [2025-03-16 15:52:17,903 INFO L226 Difference]: Without dead ends: 9 [2025-03-16 15:52:17,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-16 15:52:17,909 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-16 15:52:17,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 20 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-16 15:52:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-16 15:52:17,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2025-03-16 15:52:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 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) [2025-03-16 15:52:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2025-03-16 15:52:17,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2025-03-16 15:52:17,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 15:52:17,931 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2025-03-16 15:52:17,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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) [2025-03-16 15:52:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2025-03-16 15:52:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-16 15:52:17,931 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 15:52:17,931 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 15:52:17,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-16 15:52:18,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 15:52:18,132 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 15:52:18,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 15:52:18,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1444793340, now seen corresponding path program 1 times [2025-03-16 15:52:18,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 15:52:18,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252250771] [2025-03-16 15:52:18,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 15:52:18,133 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 [2025-03-16 15:52:18,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 15:52:18,135 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 15:52:18,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-16 15:52:18,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-16 15:52:18,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-16 15:52:18,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 15:52:18,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 15:52:18,214 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 15:52:18,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-16 15:52:18,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-16 15:52:18,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 15:52:18,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 15:52:18,268 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-16 15:52:18,268 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 15:52:18,269 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 15:52:18,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-16 15:52:18,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 15:52:18,473 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-16 15:52:18,489 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 15:52:18,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 03:52:18 BoogieIcfgContainer [2025-03-16 15:52:18,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 15:52:18,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 15:52:18,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 15:52:18,491 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 15:52:18,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 03:52:17" (3/4) ... [2025-03-16 15:52:18,492 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-16 15:52:18,518 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 7. [2025-03-16 15:52:18,543 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-16 15:52:18,544 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-16 15:52:18,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 15:52:18,544 INFO L158 Benchmark]: Toolchain (without parser) took 1943.24ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.8MB in the end (delta: 18.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2025-03-16 15:52:18,545 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 15:52:18,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.93ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 15:52:18,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.63ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 15:52:18,545 INFO L158 Benchmark]: Boogie Preprocessor took 44.51ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 15:52:18,545 INFO L158 Benchmark]: IcfgBuilder took 343.49ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 62.3MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 15:52:18,545 INFO L158 Benchmark]: TraceAbstraction took 1270.28ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 79.1MB in the end (delta: -17.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 15:52:18,546 INFO L158 Benchmark]: Witness Printer took 52.89ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 73.8MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 15:52:18,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.93ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.7MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.63ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.51ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 343.49ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 62.3MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1270.28ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 79.1MB in the end (delta: -17.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.89ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 73.8MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [d={7:0}, f={5:0}] [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 18 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 3 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-16 15:52:18,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE