./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0490a.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 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:03:20,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:03:20,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:03:20,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:03:20,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:03:20,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:03:20,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:03:20,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:03:20,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:03:20,240 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:03:20,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:03:20,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:03:20,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:03:20,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:03:20,241 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:03:20,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:03:20,242 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:03:20,243 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:03:20,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:03:20,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:03:20,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:03:20,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:03:20,244 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 -> 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 [2025-01-09 01:03:20,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:03:20,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:03:20,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:03:20,507 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:03:20,507 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:03:20,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2025-01-09 01:03:21,640 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/778936d32/812cc7986d814b7cb48b84c4cab04f57/FLAG35f4b577f [2025-01-09 01:03:21,911 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:03:21,913 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2025-01-09 01:03:21,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/778936d32/812cc7986d814b7cb48b84c4cab04f57/FLAG35f4b577f [2025-01-09 01:03:22,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/778936d32/812cc7986d814b7cb48b84c4cab04f57 [2025-01-09 01:03:22,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:03:22,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:03:22,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:03:22,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:03:22,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:03:22,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160fd906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22, skipping insertion in model container [2025-01-09 01:03:22,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:03:22,406 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_0490a.c[9221,9234] [2025-01-09 01:03:22,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:03:22,414 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:03:22,470 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_0490a.c[9221,9234] [2025-01-09 01:03:22,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:03:22,485 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:03:22,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22 WrapperNode [2025-01-09 01:03:22,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:03:22,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:03:22,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:03:22,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:03:22,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,515 INFO L138 Inliner]: procedures = 23, calls = 63, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 148 [2025-01-09 01:03:22,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:03:22,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:03:22,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:03:22,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:03:22,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,548 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 3, 3, 2, 3, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 2, 1, 2, 1]. [2025-01-09 01:03:22,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:03:22,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:03:22,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:03:22,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:03:22,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (1/1) ... [2025-01-09 01:03:22,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:03:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:03:22,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:03:22,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2025-01-09 01:03:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 01:03:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:03:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 01:03:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:03:22,694 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:03:22,696 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:03:23,123 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2025-01-09 01:03:23,123 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:03:23,135 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:03:23,136 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2025-01-09 01:03:23,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:03:23 BoogieIcfgContainer [2025-01-09 01:03:23,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:03:23,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:03:23,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:03:23,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:03:23,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:03:22" (1/3) ... [2025-01-09 01:03:23,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7b469c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:03:23, skipping insertion in model container [2025-01-09 01:03:23,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:22" (2/3) ... [2025-01-09 01:03:23,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7b469c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:03:23, skipping insertion in model container [2025-01-09 01:03:23,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:03:23" (3/3) ... [2025-01-09 01:03:23,142 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2025-01-09 01:03:23,154 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:03:23,155 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0490a.c that has 2 procedures, 140 locations, 1 initial locations, 14 loop locations, and 6 error locations. [2025-01-09 01:03:23,188 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:03:23,195 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;@11fc0a30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:03:23,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-09 01:03:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 130 states have (on average 1.646153846153846) internal successors, (214), 136 states have internal predecessors, (214), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 01:03:23,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:03:23,202 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:03:23,202 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:03:23,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [__ieee754_sqrtErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __ieee754_sqrtErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 3 more)] === [2025-01-09 01:03:23,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:03:23,208 INFO L85 PathProgramCache]: Analyzing trace with hash 12654342, now seen corresponding path program 1 times [2025-01-09 01:03:23,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:03:23,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57519574] [2025-01-09 01:03:23,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:03:23,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:03:23,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:03:23,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:03:23,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:03:23,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:03:23,275 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:03:23,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:03:23,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:03:23,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:03:23,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:03:23,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:03:23,300 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:03:23,300 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 6 remaining) [2025-01-09 01:03:23,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 6 remaining) [2025-01-09 01:03:23,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 6 remaining) [2025-01-09 01:03:23,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 6 remaining) [2025-01-09 01:03:23,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 6 remaining) [2025-01-09 01:03:23,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2025-01-09 01:03:23,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:03:23,306 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:03:23,319 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:03:23,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:03:23 BoogieIcfgContainer [2025-01-09 01:03:23,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:03:23,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:03:23,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:03:23,322 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:03:23,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:03:23" (3/4) ... [2025-01-09 01:03:23,324 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:03:23,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:03:23,325 INFO L158 Benchmark]: Toolchain (without parser) took 1106.16ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 34.4MB in the end (delta: 71.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-01-09 01:03:23,325 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:03:23,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.00ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 88.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:03:23,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.09ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 86.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:03:23,325 INFO L158 Benchmark]: Boogie Preprocessor took 54.05ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 81.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:03:23,326 INFO L158 Benchmark]: RCFGBuilder took 563.62ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 49.2MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 01:03:23,326 INFO L158 Benchmark]: TraceAbstraction took 183.88ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 34.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:03:23,326 INFO L158 Benchmark]: Witness Printer took 2.68ms. Allocated memory is still 142.6MB. Free memory was 34.9MB in the beginning and 34.4MB in the end (delta: 468.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:03:23,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.00ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 88.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.09ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 86.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.05ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 81.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 563.62ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 49.2MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 183.88ms. Allocated memory is still 142.6MB. Free memory was 48.3MB in the beginning and 34.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.68ms. Allocated memory is still 142.6MB. Free memory was 34.9MB in the beginning and 34.4MB in the end (delta: 468.4kB). 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: 301]: 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 374, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 301, overapproximation of someUnaryDOUBLEoperation at line 287. Possible FailurePath: [L18] static const double huge_floor = 1.0e300; [L170] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L282-L295] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L374] double x = 1.0 / 0.0; [L375] CALL __ieee754_acos(x) [L298] double z, p, q, r, w, s, c, df; [L299] __int32_t hx, ix; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L301] ieee_double_shape_type gh_u; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - UnprovableResult [Line: 179]: 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: 274]: 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: 309]: 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: 350]: 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: 379]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 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=140occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s 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 [2025-01-09 01:03:23,361 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_0490a.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 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:03:25,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:03:25,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:03:25,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:03:25,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:03:25,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:03:25,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:03:25,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:03:25,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:03:25,295 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:03:25,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:03:25,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:03:25,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:03:25,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:03:25,296 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:03:25,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:03:25,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:03:25,297 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:03:25,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:03:25,298 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:03:25,298 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:03:25,298 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:03:25,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:03:25,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:03:25,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:03:25,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:03:25,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:03:25,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:03:25,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:03:25,299 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 -> 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 [2025-01-09 01:03:25,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:03:25,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:03:25,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:03:25,547 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:03:25,547 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:03:25,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2025-01-09 01:03:26,707 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b66d9ddf/7f8cb2a6d93345a1b807fd02440b95a6/FLAGcafc17b35 [2025-01-09 01:03:26,940 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:03:26,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2025-01-09 01:03:26,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b66d9ddf/7f8cb2a6d93345a1b807fd02440b95a6/FLAGcafc17b35 [2025-01-09 01:03:26,966 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b66d9ddf/7f8cb2a6d93345a1b807fd02440b95a6 [2025-01-09 01:03:26,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:03:26,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:03:26,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:03:26,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:03:26,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:03:26,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:03:26" (1/1) ... [2025-01-09 01:03:26,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab18b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:26, skipping insertion in model container [2025-01-09 01:03:26,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:03:26" (1/1) ... [2025-01-09 01:03:26,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:03:27,163 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_0490a.c[9221,9234] [2025-01-09 01:03:27,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:03:27,179 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:03:27,228 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_0490a.c[9221,9234] [2025-01-09 01:03:27,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:03:27,249 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:03:27,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27 WrapperNode [2025-01-09 01:03:27,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:03:27,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:03:27,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:03:27,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:03:27,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,281 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 133 [2025-01-09 01:03:27,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:03:27,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:03:27,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:03:27,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:03:27,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,314 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 2, 3, 2, 3, 3]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 2, 1, 2, 1]. [2025-01-09 01:03:27,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:03:27,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:03:27,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:03:27,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:03:27,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (1/1) ... [2025-01-09 01:03:27,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:03:27,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:03:27,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:03:27,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:03:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:03:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2025-01-09 01:03:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:03:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:03:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:03:27,503 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:03:27,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:03:56,753 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-01-09 01:03:56,753 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:03:56,763 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:03:56,764 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2025-01-09 01:03:56,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:03:56 BoogieIcfgContainer [2025-01-09 01:03:56,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:03:56,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:03:56,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:03:56,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:03:56,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:03:26" (1/3) ... [2025-01-09 01:03:56,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db2f90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:03:56, skipping insertion in model container [2025-01-09 01:03:56,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:03:27" (2/3) ... [2025-01-09 01:03:56,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db2f90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:03:56, skipping insertion in model container [2025-01-09 01:03:56,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:03:56" (3/3) ... [2025-01-09 01:03:56,772 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2025-01-09 01:03:56,782 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:03:56,784 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0490a.c that has 2 procedures, 66 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-01-09 01:03:56,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:03:56,834 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;@18f3c092, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:03:56,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:03:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 61 states have (on average 1.6229508196721312) internal successors, (99), 62 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 01:03:56,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-09 01:03:56,845 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:03:56,846 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:03:56,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:03:56,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:03:56,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1825302363, now seen corresponding path program 1 times [2025-01-09 01:03:56,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:03:56,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033100366] [2025-01-09 01:03:56,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:03:56,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:03:56,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:03:56,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:03:56,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 01:03:56,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-09 01:03:57,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-09 01:03:57,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:03:57,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:03:57,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:03:57,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:03:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:03:57,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:03:57,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:03:57,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033100366] [2025-01-09 01:03:57,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033100366] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:03:57,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:03:57,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:03:57,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818055555] [2025-01-09 01:03:57,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:03:57,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:03:57,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:03:57,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:03:57,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:03:57,095 INFO L87 Difference]: Start difference. First operand has 66 states, 61 states have (on average 1.6229508196721312) internal successors, (99), 62 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:03:57,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:03:57,111 INFO L93 Difference]: Finished difference Result 130 states and 206 transitions. [2025-01-09 01:03:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:03:57,112 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-01-09 01:03:57,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:03:57,116 INFO L225 Difference]: With dead ends: 130 [2025-01-09 01:03:57,116 INFO L226 Difference]: Without dead ends: 63 [2025-01-09 01:03:57,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:03:57,120 INFO L435 NwaCegarLoop]: 92 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, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 01:03:57,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:03:57,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-09 01:03:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-09 01:03:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 01:03:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2025-01-09 01:03:57,149 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 11 [2025-01-09 01:03:57,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:03:57,150 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2025-01-09 01:03:57,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:03:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2025-01-09 01:03:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 01:03:57,150 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:03:57,150 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:03:57,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 01:03:57,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:03:57,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:03:57,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:03:57,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1235322666, now seen corresponding path program 1 times [2025-01-09 01:03:57,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:03:57,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112974160] [2025-01-09 01:03:57,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:03:57,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:03:57,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:03:57,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:03:57,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 01:03:57,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 01:03:57,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 01:03:57,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:03:57,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:03:57,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 01:03:57,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:04:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:04:00,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:04:00,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:04:00,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112974160] [2025-01-09 01:04:00,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112974160] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:04:00,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:04:00,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 01:04:00,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740828999] [2025-01-09 01:04:00,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:04:00,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 01:04:00,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:04:00,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 01:04:00,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:04:00,775 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:04:06,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:04:06,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:04:06,928 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2025-01-09 01:04:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 01:04:06,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2025-01-09 01:04:06,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:04:06,930 INFO L225 Difference]: With dead ends: 68 [2025-01-09 01:04:06,930 INFO L226 Difference]: Without dead ends: 14 [2025-01-09 01:04:06,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:04:06,930 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-01-09 01:04:06,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2025-01-09 01:04:06,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-01-09 01:04:06,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-01-09 01:04:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:04:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2025-01-09 01:04:06,933 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2025-01-09 01:04:06,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:04:06,933 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2025-01-09 01:04:06,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:04:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2025-01-09 01:04:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-09 01:04:06,934 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:04:06,934 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:04:06,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2025-01-09 01:04:07,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:04:07,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:04:07,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:04:07,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1469614155, now seen corresponding path program 1 times [2025-01-09 01:04:07,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:04:07,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569577067] [2025-01-09 01:04:07,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:04:07,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:04:07,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:04:07,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:04:07,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 01:04:07,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-09 01:04:07,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-09 01:04:07,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:04:07,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:04:07,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 01:04:07,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:04:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:04:13,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:04:13,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:04:13,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569577067] [2025-01-09 01:04:13,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569577067] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:04:13,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:04:13,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 01:04:13,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301217296] [2025-01-09 01:04:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:04:13,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 01:04:13,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:04:13,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 01:04:13,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:04:13,681 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:04:17,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:04:20,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:04:20,677 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2025-01-09 01:04:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 01:04:20,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-09 01:04:20,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:04:20,678 INFO L225 Difference]: With dead ends: 14 [2025-01-09 01:04:20,678 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:04:20,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-09 01:04:20,679 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 01:04:20,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 01:04:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:04:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:04:20,680 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) [2025-01-09 01:04:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:04:20,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2025-01-09 01:04:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:04:20,680 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:04:20,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:04:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:04:20,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:04:20,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:04:20,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-01-09 01:04:20,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:04:20,887 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 01:04:20,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:04:24,527 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:04:24,548 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:04:24,549 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:04:24,549 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:04:24,550 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:04:24,550 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:04:24,550 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:04:24,550 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:04:24,550 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:04:24,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:04:24 BoogieIcfgContainer [2025-01-09 01:04:24,551 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:04:24,551 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:04:24,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:04:24,551 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:04:24,552 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:03:56" (3/4) ... [2025-01-09 01:04:24,553 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:04:24,557 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2025-01-09 01:04:24,562 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2025-01-09 01:04:24,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-01-09 01:04:24,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 01:04:24,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:04:24,634 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:04:24,634 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:04:24,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:04:24,636 INFO L158 Benchmark]: Toolchain (without parser) took 57666.35ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 81.0MB in the end (delta: 10.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2025-01-09 01:04:24,637 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:04:24,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.58ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 74.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:04:24,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.99ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:04:24,638 INFO L158 Benchmark]: Boogie Preprocessor took 64.26ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 68.3MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:04:24,638 INFO L158 Benchmark]: RCFGBuilder took 29415.75ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 43.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:04:24,638 INFO L158 Benchmark]: TraceAbstraction took 27784.42ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 88.6MB in the end (delta: -45.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-01-09 01:04:24,639 INFO L158 Benchmark]: Witness Printer took 83.32ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 81.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:04:24,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.58ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 74.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.99ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.26ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 68.3MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 29415.75ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 43.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 27784.42ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 88.6MB in the end (delta: -45.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 83.32ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 81.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - 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: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - 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: 379]: 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 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 105 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 214 SizeOfPredicates, 6 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 01:04:24,850 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-01-09 01:04:24,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE