./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_1131b.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 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:48:55,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:48:55,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:48:55,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:48:55,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:48:55,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:48:55,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:48:55,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:48:55,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:48:55,633 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:48:55,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:48:55,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:48:55,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:48:55,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:48:55,635 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:48:55,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:48:55,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:48:55,635 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:48:55,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:48:55,636 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:55,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:48:55,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:48:55,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:48:55,637 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 -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2025-02-07 18:48:55,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:48:55,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:48:55,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:48:55,862 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:48:55,862 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:48:55,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2025-02-07 18:48:56,984 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/330ab210e/ce1aede8ed3543b69301d173639587c8/FLAGf99e6054d [2025-02-07 18:48:57,175 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:48:57,176 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2025-02-07 18:48:57,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/330ab210e/ce1aede8ed3543b69301d173639587c8/FLAGf99e6054d [2025-02-07 18:48:57,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/330ab210e/ce1aede8ed3543b69301d173639587c8 [2025-02-07 18:48:57,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:48:57,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:48:57,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:57,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:48:57,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:48:57,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405d5fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57, skipping insertion in model container [2025-02-07 18:48:57,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:48:57,708 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_1131b.c[2947,2960] [2025-02-07 18:48:57,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:57,715 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:48:57,744 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_1131b.c[2947,2960] [2025-02-07 18:48:57,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:57,763 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:48:57,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57 WrapperNode [2025-02-07 18:48:57,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:57,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:57,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:48:57,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:48:57,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,803 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 250 [2025-02-07 18:48:57,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:57,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:48:57,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:48:57,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:48:57,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,824 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 5, 2, 2, 2, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0, 0]. The 5 writes are split as follows [0, 0, 1, 1, 1, 1, 1]. [2025-02-07 18:48:57,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:48:57,843 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:48:57,844 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:48:57,844 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:48:57,844 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (1/1) ... [2025-02-07 18:48:57,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:57,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:48:57,869 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) [2025-02-07 18:48:57,872 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 [2025-02-07 18:48:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:48:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:48:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:48:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:48:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:48:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:48:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:48:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-07 18:48:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:48:57,994 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:48:57,995 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:48:58,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume ~someBinaryFLOATComparisonOperation(main_~res~0#1, main_~x~0#1); [2025-02-07 18:48:58,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume !~someBinaryFLOATComparisonOperation(main_~res~0#1, main_~x~0#1);havoc main_~res~0#1; [2025-02-07 18:48:58,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume false;main_#res#1 := 1; [2025-02-07 18:48:58,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume !false; [2025-02-07 18:48:58,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: main_#t~ret24#1 := fmod_float_#res#1;havoc fmod_float_#t~mem4#1, fmod_float_~#gf_u~0#1.base, fmod_float_~#gf_u~0#1.offset, fmod_float_#t~mem5#1, fmod_float_~#gf_u~1#1.base, fmod_float_~#gf_u~1#1.offset, fmod_float_#t~bitwise6#1, fmod_float_#t~mem7#1, fmod_float_#t~bitwise8#1, fmod_float_#t~bitwise9#1, fmod_float_#t~bitwise10#1, fmod_float_#t~bitwise11#1, fmod_float_#t~post12#1, fmod_float_#t~mem13#1, fmod_float_#t~mem14#1, fmod_float_#t~bitwise15#1, fmod_float_#t~bitwise16#1, fmod_float_#t~mem17#1, fmod_float_~#sf_u~0#1.base, fmod_float_~#sf_u~0#1.offset, fmod_float_#t~bitwise18#1, fmod_float_#t~bitwise19#1, fmod_float_#t~mem20#1, fmod_float_~#sf_u~1#1.base, fmod_float_~#sf_u~1#1.offset, fmod_float_~x#1, fmod_float_~y#1, fmod_float_~n~0#1, fmod_float_~hx~0#1, fmod_float_~hy~0#1, fmod_float_~hz~0#1, fmod_float_~ix~0#1, fmod_float_~iy~0#1, fmod_float_~sx~0#1, fmod_float_~i~0#1;havoc fmod_float_#in~x#1, fmod_float_#in~y#1;assume { :end_inline_fmod_float } true;main_~res~0#1 := main_#t~ret24#1;havoc main_#t~ret24#1; [2025-02-07 18:48:58,272 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2025-02-07 18:48:58,272 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:48:58,289 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:48:58,291 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:48:58,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:58 BoogieIcfgContainer [2025-02-07 18:48:58,292 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:48:58,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:48:58,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:48:58,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:48:58,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:48:57" (1/3) ... [2025-02-07 18:48:58,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e85be87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:58, skipping insertion in model container [2025-02-07 18:48:58,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:57" (2/3) ... [2025-02-07 18:48:58,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e85be87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:58, skipping insertion in model container [2025-02-07 18:48:58,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:58" (3/3) ... [2025-02-07 18:48:58,298 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2025-02-07 18:48:58,309 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:48:58,310 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1131b.c that has 1 procedures, 88 locations, 1 initial locations, 14 loop locations, and 6 error locations. [2025-02-07 18:48:58,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:48:58,365 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;@125f5a05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:48:58,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-07 18:48:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 81 states have (on average 1.6666666666666667) internal successors, (135), 87 states have internal predecessors, (135), 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) [2025-02-07 18:48:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:48:58,374 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:48:58,374 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:48:58,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 3 more)] === [2025-02-07 18:48:58,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:48:58,379 INFO L85 PathProgramCache]: Analyzing trace with hash 5846942, now seen corresponding path program 1 times [2025-02-07 18:48:58,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:48:58,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087879086] [2025-02-07 18:48:58,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:48:58,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:48:58,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:48:58,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:48:58,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:48:58,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:48:58,446 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:48:58,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:48:58,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:48:58,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:48:58,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:48:58,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:48:58,469 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:48:58,470 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 6 remaining) [2025-02-07 18:48:58,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2025-02-07 18:48:58,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 6 remaining) [2025-02-07 18:48:58,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 6 remaining) [2025-02-07 18:48:58,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 6 remaining) [2025-02-07 18:48:58,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 6 remaining) [2025-02-07 18:48:58,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:48:58,475 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:48:58,487 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:48:58,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:48:58 BoogieIcfgContainer [2025-02-07 18:48:58,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:48:58,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:48:58,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:48:58,492 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:48:58,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:58" (3/4) ... [2025-02-07 18:48:58,495 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:48:58,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:48:58,496 INFO L158 Benchmark]: Toolchain (without parser) took 951.99ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 55.1MB in the end (delta: 57.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:48:58,496 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:58,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.00ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 99.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:58,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.80ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 97.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:58,498 INFO L158 Benchmark]: Boogie Preprocessor took 38.94ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 94.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:58,499 INFO L158 Benchmark]: IcfgBuilder took 448.16ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 68.2MB in the end (delta: 26.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:58,499 INFO L158 Benchmark]: TraceAbstraction took 198.32ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 55.1MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:58,500 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 142.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:58,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.00ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 99.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.80ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 97.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.94ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 94.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 448.16ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 68.2MB in the end (delta: 26.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 198.32ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 55.1MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 142.6MB. Free memory is still 55.1MB. 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: 113]: 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 113, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 129. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L128] float x = __VERIFIER_nondet_float(); [L129] float y = -1.0f / 0.0f; [L131] CALL isfinite_float(x) [L111] __int32_t ix; VAL [Zero_fmod={4:0}, one_fmod=1] [L116] COND TRUE 0 VAL [Zero_fmod={4:0}, one_fmod=1] [L113] ieee_float_shape_type gf_u; VAL [Zero_fmod={4:0}, one_fmod=1] - UnprovableResult [Line: 137]: 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: 91]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 23]: 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, 88 locations, 6 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=88occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-07 18:48:58,522 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_1131b.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 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:49:00,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:49:00,497 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:49:00,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:49:00,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:49:00,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:49:00,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:49:00,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:49:00,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:49:00,530 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:49:00,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:49:00,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:49:00,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:49:00,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:49:00,531 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:49:00,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:49:00,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:49:00,532 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:49:00,533 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:49:00,533 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:49:00,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:49:00,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:49:00,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:49:00,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:00,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:49:00,534 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:49:00,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:49:00,535 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 -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2025-02-07 18:49:00,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:49:00,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:49:00,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:49:00,769 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:49:00,769 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:49:00,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2025-02-07 18:49:01,897 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/adf5ed2f0/c3bdf85021204925b52d2747301564c5/FLAG77a2f4ab4 [2025-02-07 18:49:02,119 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:49:02,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2025-02-07 18:49:02,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/adf5ed2f0/c3bdf85021204925b52d2747301564c5/FLAG77a2f4ab4 [2025-02-07 18:49:02,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/adf5ed2f0/c3bdf85021204925b52d2747301564c5 [2025-02-07 18:49:02,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:49:02,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:49:02,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:02,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:49:02,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:49:02,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fc5ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02, skipping insertion in model container [2025-02-07 18:49:02,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:49:02,323 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_1131b.c[2947,2960] [2025-02-07 18:49:02,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:02,340 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:49:02,376 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_1131b.c[2947,2960] [2025-02-07 18:49:02,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:02,394 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:49:02,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02 WrapperNode [2025-02-07 18:49:02,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:02,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:02,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:49:02,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:49:02,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,431 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 174 [2025-02-07 18:49:02,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:02,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:49:02,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:49:02,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:49:02,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,464 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 2, 2, 5, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 2, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 0, 1, 1]. [2025-02-07 18:49:02,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,477 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:49:02,497 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:49:02,497 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:49:02,497 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:49:02,498 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:02,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:02,532 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) [2025-02-07 18:49:02,538 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 [2025-02-07 18:49:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:49:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:49:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:49:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:49:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:49:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:49:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:49:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:49:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:49:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:49:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:49:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:49:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:49:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:49:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:49:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:49:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:02,644 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:02,645 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:04,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume !~fp.eq~32(main_~res~0#1, main_~x~0#1); [2025-02-07 18:49:04,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume !!~fp.eq~32(main_~res~0#1, main_~x~0#1);havoc main_~res~0#1; [2025-02-07 18:49:04,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume false;main_#res#1 := 1bv32; [2025-02-07 18:49:04,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume !false; [2025-02-07 18:49:04,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: main_#t~ret15#1 := fmod_float_#res#1;havoc fmod_float_#t~mem4#1, fmod_float_~#gf_u~0#1.base, fmod_float_~#gf_u~0#1.offset, fmod_float_#t~mem5#1, fmod_float_~#gf_u~1#1.base, fmod_float_~#gf_u~1#1.offset, fmod_float_#t~mem6#1, fmod_float_#t~post7#1, fmod_float_#t~mem8#1, fmod_float_#t~mem9#1, fmod_float_#t~mem10#1, fmod_float_~#sf_u~0#1.base, fmod_float_~#sf_u~0#1.offset, fmod_float_#t~mem11#1, fmod_float_~#sf_u~1#1.base, fmod_float_~#sf_u~1#1.offset, fmod_float_~x#1, fmod_float_~y#1, fmod_float_~n~0#1, fmod_float_~hx~0#1, fmod_float_~hy~0#1, fmod_float_~hz~0#1, fmod_float_~ix~0#1, fmod_float_~iy~0#1, fmod_float_~sx~0#1, fmod_float_~i~0#1;havoc fmod_float_#in~x#1, fmod_float_#in~y#1;assume { :end_inline_fmod_float } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1; [2025-02-07 18:49:04,672 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:04,673 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:04,679 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:04,681 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:04,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:04 BoogieIcfgContainer [2025-02-07 18:49:04,682 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:04,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:04,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:04,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:04,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:49:02" (1/3) ... [2025-02-07 18:49:04,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb072a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:04, skipping insertion in model container [2025-02-07 18:49:04,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (2/3) ... [2025-02-07 18:49:04,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb072a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:04, skipping insertion in model container [2025-02-07 18:49:04,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:04" (3/3) ... [2025-02-07 18:49:04,691 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2025-02-07 18:49:04,701 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:04,703 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1131b.c that has 1 procedures, 39 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-07 18:49:04,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:04,745 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;@24f5b2db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:04,745 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:49:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 38 states have internal predecessors, (65), 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) [2025-02-07 18:49:04,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:49:04,753 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:49:04,756 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:49:04,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 38 states have internal predecessors, (65), 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) [2025-02-07 18:49:04,774 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:04,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:04 BoogieIcfgContainer [2025-02-07 18:49:04,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:04,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:04,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:04,781 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:04,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:04" (3/4) ... [2025-02-07 18:49:04,783 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:49:04,788 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-02-07 18:49:04,788 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-07 18:49:04,788 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 18:49:04,789 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:49:04,849 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:49:04,850 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:49:04,850 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:04,850 INFO L158 Benchmark]: Toolchain (without parser) took 2700.12ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 39.5MB in the end (delta: 53.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,851 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:04,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.51ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 78.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.03ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:04,851 INFO L158 Benchmark]: Boogie Preprocessor took 61.00ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:04,851 INFO L158 Benchmark]: IcfgBuilder took 2185.18ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 54.0MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,851 INFO L158 Benchmark]: TraceAbstraction took 96.22ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 46.0MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:04,852 INFO L158 Benchmark]: Witness Printer took 69.01ms. Allocated memory is still 117.4MB. Free memory was 46.0MB in the beginning and 39.7MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.51ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 78.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.03ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.00ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 74.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 2185.18ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 54.0MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 96.22ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 46.0MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.01ms. Allocated memory is still 117.4MB. Free memory was 46.0MB in the beginning and 39.7MB in the end (delta: 6.3MB). 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 - PositiveResult [Line: 137]: 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, 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=39occurred 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: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 18:49:04,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE