./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:04:28,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:04:28,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 16:04:28,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:04:28,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:04:28,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:04:28,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:04:28,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:04:28,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:04:28,557 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:04:28,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:04:28,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:04:28,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:04:28,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:04:28,558 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:04:28,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:04:28,559 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:04:28,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:04:28,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:04:28,560 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2025-03-16 16:04:28,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:04:28,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:04:28,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:04:28,798 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:04:28,798 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:04:28,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-03-16 16:04:29,981 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6592061/d0311875b2f54349bccba52dbd79e077/FLAGc040710c2 [2025-03-16 16:04:30,197 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:04:30,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-03-16 16:04:30,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6592061/d0311875b2f54349bccba52dbd79e077/FLAGc040710c2 [2025-03-16 16:04:30,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6592061/d0311875b2f54349bccba52dbd79e077 [2025-03-16 16:04:30,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:04:30,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:04:30,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:04:30,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:04:30,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:04:30,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae6e58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30, skipping insertion in model container [2025-03-16 16:04:30,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:04:30,391 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2025-03-16 16:04:30,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:04:30,399 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:04:30,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2025-03-16 16:04:30,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:04:30,446 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:04:30,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30 WrapperNode [2025-03-16 16:04:30,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:04:30,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:04:30,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:04:30,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:04:30,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,479 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2025-03-16 16:04:30,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:04:30,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:04:30,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:04:30,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:04:30,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,509 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 3, 2, 3, 2, 3]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 2, 1, 2]. [2025-03-16 16:04:30,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,517 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:04:30,531 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:04:30,531 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:04:30,531 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:04:30,532 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (1/1) ... [2025-03-16 16:04:30,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:04:30,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:04:30,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 16:04:30,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 16:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 16:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-16 16:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-16 16:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-16 16:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-16 16:04:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-16 16:04:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-16 16:04:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-16 16:04:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-16 16:04:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-16 16:04:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-16 16:04:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-16 16:04:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-16 16:04:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-16 16:04:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-16 16:04:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2025-03-16 16:04:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2025-03-16 16:04:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-16 16:04:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-16 16:04:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:04:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-16 16:04:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 16:04:30,699 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:04:30,701 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:04:31,103 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: havoc __ieee754_acos_~lx~0#1; [2025-03-16 16:04:31,120 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-16 16:04:31,121 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:04:31,152 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:04:31,152 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-16 16:04:31,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:04:31 BoogieIcfgContainer [2025-03-16 16:04:31,153 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:04:31,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:04:31,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:04:31,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:04:31,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:04:30" (1/3) ... [2025-03-16 16:04:31,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ffea50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:04:31, skipping insertion in model container [2025-03-16 16:04:31,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:30" (2/3) ... [2025-03-16 16:04:31,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ffea50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:04:31, skipping insertion in model container [2025-03-16 16:04:31,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:04:31" (3/3) ... [2025-03-16 16:04:31,164 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2025-03-16 16:04:31,175 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:04:31,177 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0480.c that has 2 procedures, 137 locations, 1 initial locations, 10 loop locations, and 7 error locations. [2025-03-16 16:04:31,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:04:31,230 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;@5ad6bbf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:04:31,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-16 16:04:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 126 states have (on average 1.7063492063492063) internal successors, (215), 133 states have internal predecessors, (215), 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) [2025-03-16 16:04:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-03-16 16:04:31,237 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:04:31,237 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-03-16 16:04:31,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [__ieee754_sqrtErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __ieee754_sqrtErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2025-03-16 16:04:31,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:04:31,242 INFO L85 PathProgramCache]: Analyzing trace with hash 8991, now seen corresponding path program 1 times [2025-03-16 16:04:31,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 16:04:31,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756188952] [2025-03-16 16:04:31,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:04:31,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 16:04:31,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-16 16:04:31,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-16 16:04:31,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:04:31,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:04:31,319 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 16:04:31,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-16 16:04:31,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-16 16:04:31,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:04:31,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:04:31,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 16:04:31,357 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 16:04:31,358 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 7 remaining) [2025-03-16 16:04:31,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 7 remaining) [2025-03-16 16:04:31,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 7 remaining) [2025-03-16 16:04:31,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2025-03-16 16:04:31,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 7 remaining) [2025-03-16 16:04:31,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 7 remaining) [2025-03-16 16:04:31,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 7 remaining) [2025-03-16 16:04:31,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 16:04:31,367 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-16 16:04:31,380 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:04:31,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:04:31 BoogieIcfgContainer [2025-03-16 16:04:31,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:04:31,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:04:31,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:04:31,385 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:04:31,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:04:31" (3/4) ... [2025-03-16 16:04:31,387 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 16:04:31,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:04:31,389 INFO L158 Benchmark]: Toolchain (without parser) took 1160.92ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 50.5MB in the end (delta: 73.3MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-03-16 16:04:31,390 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:04:31,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.23ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 109.2MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 16:04:31,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.68ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 107.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:04:31,391 INFO L158 Benchmark]: Boogie Preprocessor took 51.33ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 103.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:04:31,391 INFO L158 Benchmark]: IcfgBuilder took 621.59ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 65.3MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-16 16:04:31,391 INFO L158 Benchmark]: TraceAbstraction took 225.54ms. Allocated memory is still 167.8MB. Free memory was 64.4MB in the beginning and 50.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 16:04:31,393 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 167.8MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:04:31,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.23ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 109.2MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.68ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 107.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.33ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 103.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 621.59ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 65.3MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 225.54ms. Allocated memory is still 167.8MB. Free memory was 64.4MB in the beginning and 50.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 167.8MB. Free memory is still 50.5MB. 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: 161]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 161, overapproximation of someUnaryDOUBLEoperation at line 147. Possible FailurePath: [L30] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L155] 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; [L234] double x = 1.0; [L235] CALL __ieee754_acos(x) [L158] double z, p, q, r, w, s, c, df; [L159] __int32_t hx, ix; VAL [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] [L161] ieee_double_shape_type gh_u; VAL [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: 134]: 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: 39]: 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: 239]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 22]: 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: 210]: 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: 169]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 137 locations, 221 edges, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred 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, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-16 16:04:31,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:04:33,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:04:33,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 16:04:33,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:04:33,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:04:33,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:04:33,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:04:33,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:04:33,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:04:33,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:04:33,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:04:33,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:04:33,299 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:04:33,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:04:33,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:04:33,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:04:33,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:04:33,302 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2025-03-16 16:04:33,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:04:33,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:04:33,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:04:33,537 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:04:33,538 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:04:33,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-03-16 16:04:34,673 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df094a47/6c487df98312460bac90e8de238dd37e/FLAG40c080bbf [2025-03-16 16:04:34,866 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:04:34,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-03-16 16:04:34,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df094a47/6c487df98312460bac90e8de238dd37e/FLAG40c080bbf [2025-03-16 16:04:34,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df094a47/6c487df98312460bac90e8de238dd37e [2025-03-16 16:04:34,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:04:34,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:04:34,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:04:34,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:04:34,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:04:34,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:04:34" (1/1) ... [2025-03-16 16:04:34,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7098f961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:34, skipping insertion in model container [2025-03-16 16:04:34,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:04:34" (1/1) ... [2025-03-16 16:04:34,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:04:35,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2025-03-16 16:04:35,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:04:35,105 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:04:35,147 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2025-03-16 16:04:35,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:04:35,164 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:04:35,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35 WrapperNode [2025-03-16 16:04:35,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:04:35,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:04:35,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:04:35,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:04:35,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,205 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 149 [2025-03-16 16:04:35,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:04:35,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:04:35,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:04:35,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:04:35,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,243 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 3, 2, 2, 3, 2, 3]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 2, 1, 2]. [2025-03-16 16:04:35,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,261 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:04:35,271 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:04:35,276 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:04:35,277 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:04:35,278 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (1/1) ... [2025-03-16 16:04:35,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:04:35,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:04:35,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 16:04:35,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 16:04:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-03-16 16:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 16:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-16 16:04:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-16 16:04:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-16 16:04:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-16 16:04:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-16 16:04:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-16 16:04:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 16:04:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2025-03-16 16:04:35,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2025-03-16 16:04:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-16 16:04:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-16 16:04:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-16 16:04:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:04:35,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-16 16:04:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-16 16:04:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 16:04:35,433 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:04:35,434 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:05:04,225 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: havoc __ieee754_acos_~lx~0#1; [2025-03-16 16:05:04,240 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2025-03-16 16:05:04,241 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:05:04,250 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:05:04,251 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 16:05:04,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:05:04 BoogieIcfgContainer [2025-03-16 16:05:04,251 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:05:04,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:05:04,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:05:04,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:05:04,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:04:34" (1/3) ... [2025-03-16 16:05:04,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb719a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:05:04, skipping insertion in model container [2025-03-16 16:05:04,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:04:35" (2/3) ... [2025-03-16 16:05:04,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb719a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:05:04, skipping insertion in model container [2025-03-16 16:05:04,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:05:04" (3/3) ... [2025-03-16 16:05:04,258 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2025-03-16 16:05:04,269 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:05:04,270 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0480.c that has 2 procedures, 68 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2025-03-16 16:05:04,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:05:04,321 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;@19d1e1a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:05:04,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 16:05:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 63 states have (on average 1.6507936507936507) internal successors, (104), 64 states have internal predecessors, (104), 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) [2025-03-16 16:05:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-16 16:05:04,331 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:05:04,331 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:05:04,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:05:04,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:05:04,337 INFO L85 PathProgramCache]: Analyzing trace with hash -870483752, now seen corresponding path program 1 times [2025-03-16 16:05:04,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:05:04,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864258] [2025-03-16 16:05:04,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:05:04,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:04,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:05:04,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:05:04,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-16 16:05:04,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-16 16:05:04,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-16 16:05:04,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:05:04,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:05:05,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 16:05:05,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:05:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:05:05,035 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:05:05,036 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:05:05,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864258] [2025-03-16 16:05:05,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864258] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:05:05,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:05:05,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 16:05:05,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663344352] [2025-03-16 16:05:05,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:05:05,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 16:05:05,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:05:05,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 16:05:05,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:05:05,051 INFO L87 Difference]: Start difference. First operand has 68 states, 63 states have (on average 1.6507936507936507) internal successors, (104), 64 states have internal predecessors, (104), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:05:05,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:05:05,064 INFO L93 Difference]: Finished difference Result 135 states and 217 transitions. [2025-03-16 16:05:05,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 16:05:05,065 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-03-16 16:05:05,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:05:05,069 INFO L225 Difference]: With dead ends: 135 [2025-03-16 16:05:05,069 INFO L226 Difference]: Without dead ends: 65 [2025-03-16 16:05:05,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:05:05,073 INFO L435 NwaCegarLoop]: 95 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, 95 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 [2025-03-16 16:05:05,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 16:05:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-03-16 16:05:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-03-16 16:05:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 61 states have internal predecessors, (88), 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) [2025-03-16 16:05:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 92 transitions. [2025-03-16 16:05:05,094 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 92 transitions. Word has length 10 [2025-03-16 16:05:05,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:05:05,095 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 92 transitions. [2025-03-16 16:05:05,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:05:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2025-03-16 16:05:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-16 16:05:05,095 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:05:05,096 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:05:05,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-16 16:05:05,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:05,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:05:05,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:05:05,301 INFO L85 PathProgramCache]: Analyzing trace with hash 315852035, now seen corresponding path program 1 times [2025-03-16 16:05:05,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:05:05,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745128900] [2025-03-16 16:05:05,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:05:05,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:05:05,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:05:05,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-16 16:05:05,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-16 16:05:05,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-16 16:05:05,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:05:05,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:05:05,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-16 16:05:05,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:05:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:05:08,388 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:05:08,388 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:05:08,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745128900] [2025-03-16 16:05:08,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745128900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:05:08,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:05:08,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 16:05:08,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413612558] [2025-03-16 16:05:08,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:05:08,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 16:05:08,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:05:08,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 16:05:08,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 16:05:08,390 INFO L87 Difference]: Start difference. First operand 65 states and 92 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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) [2025-03-16 16:05:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:05:13,052 INFO L93 Difference]: Finished difference Result 74 states and 101 transitions. [2025-03-16 16:05:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 16:05:13,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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 [2025-03-16 16:05:13,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:05:13,053 INFO L225 Difference]: With dead ends: 74 [2025-03-16 16:05:13,053 INFO L226 Difference]: Without dead ends: 18 [2025-03-16 16:05:13,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-16 16:05:13,054 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 17 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-03-16 16:05:13,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 34 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-03-16 16:05:13,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-03-16 16:05:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2025-03-16 16:05:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:05:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2025-03-16 16:05:13,057 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2025-03-16 16:05:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:05:13,057 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2025-03-16 16:05:13,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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) [2025-03-16 16:05:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2025-03-16 16:05:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-16 16:05:13,057 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:05:13,057 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:05:13,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-16 16:05:13,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:13,259 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:05:13,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:05:13,259 INFO L85 PathProgramCache]: Analyzing trace with hash -142269129, now seen corresponding path program 1 times [2025-03-16 16:05:13,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:05:13,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013138181] [2025-03-16 16:05:13,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:05:13,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:05:13,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:05:13,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-16 16:05:13,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-16 16:05:13,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-16 16:05:13,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:05:13,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:05:13,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-16 16:05:13,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:05:18,257 INFO L224 Elim1Store]: Index analysis took 161 ms [2025-03-16 16:05:18,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2025-03-16 16:05:18,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2025-03-16 16:05:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:05:21,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:05:21,088 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:05:21,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013138181] [2025-03-16 16:05:21,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013138181] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:05:21,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:05:21,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 16:05:21,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036876003] [2025-03-16 16:05:21,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:05:21,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 16:05:21,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:05:21,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 16:05:21,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 16:05:21,089 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 6 states, 6 states have (on average 2.0) 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) [2025-03-16 16:05:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:05:25,476 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2025-03-16 16:05:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 16:05:25,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) 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 [2025-03-16 16:05:25,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:05:25,477 INFO L225 Difference]: With dead ends: 25 [2025-03-16 16:05:25,477 INFO L226 Difference]: Without dead ends: 17 [2025-03-16 16:05:25,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-16 16:05:25,477 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-16 16:05:25,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 27 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-16 16:05:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-03-16 16:05:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-03-16 16:05:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:05:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2025-03-16 16:05:25,482 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 12 [2025-03-16 16:05:25,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:05:25,482 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2025-03-16 16:05:25,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) 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) [2025-03-16 16:05:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2025-03-16 16:05:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-16 16:05:25,486 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:05:25,486 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:05:25,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-16 16:05:25,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:25,686 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:05:25,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:05:25,687 INFO L85 PathProgramCache]: Analyzing trace with hash -148583922, now seen corresponding path program 1 times [2025-03-16 16:05:25,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:05:25,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531451238] [2025-03-16 16:05:25,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:05:25,687 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:25,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:05:25,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:05:25,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-16 16:05:25,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-16 16:05:25,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-16 16:05:25,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:05:25,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:05:25,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-16 16:05:25,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:05:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:05:26,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:05:26,901 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:05:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531451238] [2025-03-16 16:05:26,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531451238] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:05:26,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:05:26,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 16:05:26,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587543985] [2025-03-16 16:05:26,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:05:26,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 16:05:26,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:05:26,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 16:05:26,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 16:05:26,902 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2025-03-16 16:05:27,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:05:27,587 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2025-03-16 16:05:27,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 16:05:27,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 [2025-03-16 16:05:27,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:05:27,588 INFO L225 Difference]: With dead ends: 20 [2025-03-16 16:05:27,588 INFO L226 Difference]: Without dead ends: 17 [2025-03-16 16:05:27,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 16:05:27,589 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-16 16:05:27,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-16 16:05:27,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-03-16 16:05:27,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-03-16 16:05:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:05:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2025-03-16 16:05:27,592 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 13 [2025-03-16 16:05:27,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:05:27,592 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2025-03-16 16:05:27,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2025-03-16 16:05:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2025-03-16 16:05:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-16 16:05:27,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:05:27,593 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:05:27,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-16 16:05:27,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:27,793 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:05:27,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:05:27,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1624822008, now seen corresponding path program 1 times [2025-03-16 16:05:27,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:05:27,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082228008] [2025-03-16 16:05:27,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:05:27,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:27,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:05:27,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:05:27,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-03-16 16:05:27,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-16 16:05:27,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-16 16:05:27,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:05:27,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:05:27,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-16 16:05:27,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:05:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:05:32,735 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:05:32,735 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:05:32,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082228008] [2025-03-16 16:05:32,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082228008] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:05:32,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:05:32,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-16 16:05:32,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842552834] [2025-03-16 16:05:32,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:05:32,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-16 16:05:32,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:05:32,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-16 16:05:32,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-16 16:05:32,737 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:05:35,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:05:35,691 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2025-03-16 16:05:35,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 16:05:35,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 16 [2025-03-16 16:05:35,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:05:35,692 INFO L225 Difference]: With dead ends: 17 [2025-03-16 16:05:35,692 INFO L226 Difference]: Without dead ends: 0 [2025-03-16 16:05:35,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-16 16:05:35,692 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-16 16:05:35,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 54 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-16 16:05:35,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-16 16:05:35,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-16 16:05:35,693 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) [2025-03-16 16:05:35,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-16 16:05:35,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2025-03-16 16:05:35,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:05:35,693 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-16 16:05:35,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:05:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-16 16:05:35,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-16 16:05:35,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 16:05:35,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-03-16 16:05:35,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:05:35,898 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-16 16:05:35,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-16 16:05:38,405 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:05:38,412 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2025-03-16 16:05:38,413 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:05:38,413 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:05:38,413 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:05:38,413 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:05:38,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:05:38 BoogieIcfgContainer [2025-03-16 16:05:38,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:05:38,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:05:38,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:05:38,414 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:05:38,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:05:04" (3/4) ... [2025-03-16 16:05:38,416 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-16 16:05:38,420 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2025-03-16 16:05:38,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2025-03-16 16:05:38,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-16 16:05:38,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-16 16:05:38,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-16 16:05:38,510 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-16 16:05:38,511 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-16 16:05:38,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:05:38,511 INFO L158 Benchmark]: Toolchain (without parser) took 63616.79ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 83.0MB in the end (delta: 9.6MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2025-03-16 16:05:38,512 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:05:38,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.50ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 16:05:38,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.76ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:05:38,513 INFO L158 Benchmark]: Boogie Preprocessor took 63.91ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 71.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:05:38,513 INFO L158 Benchmark]: IcfgBuilder took 28980.23ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 44.9MB in the end (delta: 26.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-16 16:05:38,514 INFO L158 Benchmark]: TraceAbstraction took 34160.57ms. Allocated memory is still 117.4MB. Free memory was 44.2MB in the beginning and 40.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:05:38,514 INFO L158 Benchmark]: Witness Printer took 96.76ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 83.0MB in the end (delta: -42.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:05:38,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.50ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.76ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.91ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 71.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 28980.23ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 44.9MB in the end (delta: 26.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 34160.57ms. Allocated memory is still 117.4MB. Free memory was 44.2MB in the beginning and 40.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.76ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 83.0MB in the end (delta: -42.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 239]: 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, 68 locations, 110 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 247 SdHoareTripleChecker+Invalid, 6.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 142 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 13 QuantifiedInterpolants, 315 SizeOfPredicates, 13 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 63]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 58]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 133]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 38]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 95]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 82]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 209]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-16 16:05:38,727 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-03-16 16:05:38,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE