./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1012a.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/double_req_bl_1012a.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 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:41:16,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:41:17,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:41:17,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:41:17,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:41:17,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:41:17,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:41:17,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:41:17,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:41:17,031 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:41:17,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:41:17,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:41:17,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:41:17,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:41:17,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:41:17,033 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:41:17,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:41:17,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:41:17,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:41:17,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:41:17,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:41:17,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:41:17,034 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 -> 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 [2025-02-07 18:41:17,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:41:17,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:41:17,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:41:17,306 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:41:17,306 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:41:17,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-07 18:41:18,559 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5409739b/5cf6720a0d66475fb92cdefa4fe8594a/FLAG6726f79ce [2025-02-07 18:41:18,881 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:41:18,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-07 18:41:18,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5409739b/5cf6720a0d66475fb92cdefa4fe8594a/FLAG6726f79ce [2025-02-07 18:41:18,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5409739b/5cf6720a0d66475fb92cdefa4fe8594a [2025-02-07 18:41:18,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:41:18,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:41:18,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:41:18,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:41:18,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:41:18,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:41:18" (1/1) ... [2025-02-07 18:41:18,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29aebee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:18, skipping insertion in model container [2025-02-07 18:41:18,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:41:18" (1/1) ... [2025-02-07 18:41:18,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:41:19,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c[1638,1651] [2025-02-07 18:41:19,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:41:19,090 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:41:19,112 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c[1638,1651] [2025-02-07 18:41:19,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:41:19,124 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:41:19,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19 WrapperNode [2025-02-07 18:41:19,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:41:19,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:41:19,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:41:19,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:41:19,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,154 INFO L138 Inliner]: procedures = 18, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2025-02-07 18:41:19,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:41:19,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:41:19,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:41:19,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:41:19,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,172 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 3, 3, 2]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 2, 1]. [2025-02-07 18:41:19,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,178 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:41:19,184 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:41:19,184 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:41:19,184 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:41:19,185 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (1/1) ... [2025-02-07 18:41:19,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:41:19,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:41:19,216 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 18:41:19,222 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 18:41:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:41:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:41:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:41:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:41:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:41:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:41:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:41:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:41:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:41:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:41:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:41:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:41:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:41:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:41:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:41:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:41:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:41:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:41:19,334 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:41:19,335 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:41:19,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L43: havoc isinf_double_#t~bitwise9#1; [2025-02-07 18:41:19,502 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2025-02-07 18:41:19,503 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:41:19,520 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:41:19,520 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:41:19,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:19 BoogieIcfgContainer [2025-02-07 18:41:19,521 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:41:19,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:41:19,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:41:19,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:41:19,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:41:18" (1/3) ... [2025-02-07 18:41:19,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c139298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:41:19, skipping insertion in model container [2025-02-07 18:41:19,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:19" (2/3) ... [2025-02-07 18:41:19,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c139298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:41:19, skipping insertion in model container [2025-02-07 18:41:19,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:19" (3/3) ... [2025-02-07 18:41:19,531 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2025-02-07 18:41:19,542 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:41:19,544 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1012a.c that has 1 procedures, 36 locations, 1 initial locations, 6 loop locations, and 4 error locations. [2025-02-07 18:41:19,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:41:19,604 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;@5b5da53e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:41:19,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-07 18:41:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 35 states have internal predecessors, (50), 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 18:41:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:41:19,611 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:41:19,612 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:41:19,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-07 18:41:19,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:41:19,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2645406, now seen corresponding path program 1 times [2025-02-07 18:41:19,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:41:19,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984997138] [2025-02-07 18:41:19,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:41:19,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:41:19,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:41:19,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:41:19,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:41:19,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:41:19,693 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:41:19,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:41:19,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:41:19,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:41:19,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:41:19,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:41:19,719 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:41:19,719 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 4 remaining) [2025-02-07 18:41:19,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-07 18:41:19,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 4 remaining) [2025-02-07 18:41:19,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 4 remaining) [2025-02-07 18:41:19,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:41:19,727 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:41:19,743 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:41:19,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:41:19 BoogieIcfgContainer [2025-02-07 18:41:19,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:41:19,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:41:19,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:41:19,747 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:41:19,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:19" (3/4) ... [2025-02-07 18:41:19,750 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:41:19,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:41:19,753 INFO L158 Benchmark]: Toolchain (without parser) took 839.42ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 62.2MB in the end (delta: 43.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 18:41:19,753 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:19,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.88ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:41:19,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.83ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:19,754 INFO L158 Benchmark]: Boogie Preprocessor took 28.66ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:19,756 INFO L158 Benchmark]: IcfgBuilder took 336.97ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 74.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:41:19,756 INFO L158 Benchmark]: TraceAbstraction took 223.17ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 62.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:41:19,756 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:19,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.88ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.83ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.66ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 336.97ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 74.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 223.17ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 62.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory is still 62.2MB. 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: 49]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 70, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 49. Possible FailurePath: [L70] double x = 1.0 / 0.0; [L71] CALL fabs_double(x) [L47] __uint32_t high; VAL [x=52] [L52] COND TRUE 0 [L49] ieee_double_shape_type gh_u; VAL [x=52] - UnprovableResult [Line: 75]: 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: 35]: 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: 54]: 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, 36 locations, 4 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=36occurred 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 18:41:19,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1012a.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 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:41:21,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:41:22,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:41:22,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:41:22,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:41:22,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:41:22,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:41:22,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:41:22,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:41:22,068 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:41:22,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:41:22,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:41:22,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:41:22,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:41:22,069 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:41:22,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:41:22,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:41:22,070 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:41:22,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:41:22,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:41:22,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:41:22,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:41:22,071 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:41:22,072 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:41:22,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:41:22,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:41:22,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:41:22,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:41:22,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:41:22,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:41:22,072 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:41:22,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:41:22,073 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:41:22,073 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:41:22,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:41:22,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:41:22,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:41:22,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:41:22,074 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 -> 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 [2025-02-07 18:41:22,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:41:22,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:41:22,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:41:22,385 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:41:22,385 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:41:22,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-07 18:41:23,780 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ada5e3a56/980aefae03bb4787b73fe91702d4756d/FLAG480024368 [2025-02-07 18:41:24,005 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:41:24,006 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-07 18:41:24,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ada5e3a56/980aefae03bb4787b73fe91702d4756d/FLAG480024368 [2025-02-07 18:41:24,029 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ada5e3a56/980aefae03bb4787b73fe91702d4756d [2025-02-07 18:41:24,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:41:24,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:41:24,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:41:24,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:41:24,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:41:24,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7186e343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24, skipping insertion in model container [2025-02-07 18:41:24,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:41:24,200 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c[1638,1651] [2025-02-07 18:41:24,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:41:24,218 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:41:24,252 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c[1638,1651] [2025-02-07 18:41:24,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:41:24,273 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:41:24,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24 WrapperNode [2025-02-07 18:41:24,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:41:24,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:41:24,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:41:24,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:41:24,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,309 INFO L138 Inliner]: procedures = 21, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2025-02-07 18:41:24,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:41:24,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:41:24,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:41:24,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:41:24,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,340 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 3, 3, 2]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 2, 1]. [2025-02-07 18:41:24,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:41:24,374 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:41:24,375 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:41:24,375 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:41:24,376 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (1/1) ... [2025-02-07 18:41:24,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:41:24,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:41:24,410 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 18:41:24,412 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 18:41:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:41:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:41:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:41:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:41:24,511 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:41:24,513 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:41:24,726 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-07 18:41:24,726 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:41:24,737 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:41:24,738 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:41:24,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:24 BoogieIcfgContainer [2025-02-07 18:41:24,738 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:41:24,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:41:24,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:41:24,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:41:24,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:41:24" (1/3) ... [2025-02-07 18:41:24,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d1d2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:41:24, skipping insertion in model container [2025-02-07 18:41:24,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:24" (2/3) ... [2025-02-07 18:41:24,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d1d2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:41:24, skipping insertion in model container [2025-02-07 18:41:24,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:24" (3/3) ... [2025-02-07 18:41:24,751 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2025-02-07 18:41:24,763 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:41:24,765 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1012a.c that has 1 procedures, 15 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-02-07 18:41:24,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:41:24,827 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;@3f00b3e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:41:24,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:41:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 14 states have internal predecessors, (20), 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 18:41:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-07 18:41:24,839 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:41:24,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:41:24,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:41:24,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:41:24,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1471511863, now seen corresponding path program 1 times [2025-02-07 18:41:24,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:41:24,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646662202] [2025-02-07 18:41:24,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:41:24,859 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 18:41:24,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:41:24,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-07 18:41:24,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-07 18:41:24,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-07 18:41:24,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-07 18:41:24,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:41:24,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:41:24,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 18:41:24,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:41:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:41:24,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:41:24,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:41:24,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646662202] [2025-02-07 18:41:24,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646662202] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:41:24,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:41:24,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 18:41:24,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131493117] [2025-02-07 18:41:24,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:41:24,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 18:41:24,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:41:25,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 18:41:25,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:41:25,008 INFO L87 Difference]: Start difference. First operand has 15 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2025-02-07 18:41:25,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:41:25,018 INFO L93 Difference]: Finished difference Result 28 states and 39 transitions. [2025-02-07 18:41:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 18:41:25,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2025-02-07 18:41:25,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:41:25,025 INFO L225 Difference]: With dead ends: 28 [2025-02-07 18:41:25,025 INFO L226 Difference]: Without dead ends: 12 [2025-02-07 18:41:25,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:41:25,029 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 18:41:25,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 18:41:25,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2025-02-07 18:41:25,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-02-07 18:41:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:41:25,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2025-02-07 18:41:25,065 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 8 [2025-02-07 18:41:25,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:41:25,066 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2025-02-07 18:41:25,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2025-02-07 18:41:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2025-02-07 18:41:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-07 18:41:25,068 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:41:25,068 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:41:25,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-07 18:41:25,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 18:41:25,272 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:41:25,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:41:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash -594827827, now seen corresponding path program 1 times [2025-02-07 18:41:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:41:25,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031414839] [2025-02-07 18:41:25,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:41:25,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 18:41:25,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:41:25,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-07 18:41:25,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-07 18:41:25,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-07 18:41:25,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-07 18:41:25,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:41:25,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:41:25,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-07 18:41:25,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:41:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:41:25,854 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:41:25,854 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:41:25,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031414839] [2025-02-07 18:41:25,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031414839] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:41:25,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:41:25,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-07 18:41:25,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384339241] [2025-02-07 18:41:25,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:41:25,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-07 18:41:25,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:41:25,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-07 18:41:25,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-07 18:41:25,856 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:41:26,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:41:26,003 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2025-02-07 18:41:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-07 18:41:26,004 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-07 18:41:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:41:26,004 INFO L225 Difference]: With dead ends: 12 [2025-02-07 18:41:26,004 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 18:41:26,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-07 18:41:26,005 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-07 18:41:26,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 15 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-07 18:41:26,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 18:41:26,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 18:41:26,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:41:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 18:41:26,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2025-02-07 18:41:26,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:41:26,006 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 18:41:26,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:41:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 18:41:26,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:41:26,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:41:26,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-02-07 18:41:26,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 18:41:26,215 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 18:41:26,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 18:41:26,256 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:41:26,262 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:41:26,263 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:41:26,263 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:41:26,264 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:41:26,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:41:26 BoogieIcfgContainer [2025-02-07 18:41:26,265 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:41:26,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:41:26,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:41:26,266 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:41:26,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:24" (3/4) ... [2025-02-07 18:41:26,268 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:41:26,274 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-02-07 18:41:26,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-07 18:41:26,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 18:41:26,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:41:26,338 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:41:26,339 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:41:26,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:41:26,339 INFO L158 Benchmark]: Toolchain (without parser) took 2307.54ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 62.2MB in the end (delta: 30.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2025-02-07 18:41:26,340 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:26,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.86ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:41:26,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.70ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:41:26,343 INFO L158 Benchmark]: Boogie Preprocessor took 59.31ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:26,343 INFO L158 Benchmark]: IcfgBuilder took 364.27ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 63.5MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:41:26,343 INFO L158 Benchmark]: TraceAbstraction took 1523.83ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 68.1MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:26,343 INFO L158 Benchmark]: Witness Printer took 73.35ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 62.2MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:41:26,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.86ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.70ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.31ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 364.27ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 63.5MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1523.83ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 68.1MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.35ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 62.2MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 75]: 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 17 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 9 QuantifiedInterpolants, 199 SizeOfPredicates, 6 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 18:41:26,364 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