./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 19:34:21,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 19:34:21,129 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 19:34:21,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 19:34:21,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 19:34:21,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 19:34:21,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 19:34:21,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 19:34:21,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 19:34:21,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 19:34:21,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 19:34:21,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 19:34:21,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 19:34:21,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 19:34:21,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 19:34:21,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 19:34:21,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 19:34:21,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 19:34:21,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 19:34:21,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 19:34:21,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 19:34:21,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 19:34:21,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 19:34:21,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 19:34:21,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 19:34:21,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 19:34:21,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 19:34:21,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 19:34:21,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 19:34:21,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 19:34:21,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 19:34:21,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 19:34:21,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:34:21,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 19:34:21,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 19:34:21,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 19:34:21,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 19:34:21,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 19:34:21,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 19:34:21,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 19:34:21,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 19:34:21,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 19:34:21,184 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2024-11-19 19:34:21,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 19:34:21,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 19:34:21,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 19:34:21,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 19:34:21,496 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 19:34:21,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2024-11-19 19:34:22,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 19:34:23,154 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 19:34:23,155 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2024-11-19 19:34:23,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa7c8e2b2/457135de7bc445b7988a2178e58719cd/FLAGc078ec683 [2024-11-19 19:34:23,182 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa7c8e2b2/457135de7bc445b7988a2178e58719cd [2024-11-19 19:34:23,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 19:34:23,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 19:34:23,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 19:34:23,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 19:34:23,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 19:34:23,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659d017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23, skipping insertion in model container [2024-11-19 19:34:23,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 19:34:23,448 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/float_req_bl_1121a.c[2701,2714] [2024-11-19 19:34:23,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:34:23,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 19:34:23,498 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/float_req_bl_1121a.c[2701,2714] [2024-11-19 19:34:23,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:34:23,521 INFO L204 MainTranslator]: Completed translation [2024-11-19 19:34:23,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23 WrapperNode [2024-11-19 19:34:23,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 19:34:23,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 19:34:23,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 19:34:23,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 19:34:23,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,598 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 239 [2024-11-19 19:34:23,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 19:34:23,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 19:34:23,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 19:34:23,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 19:34:23,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,641 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 5, 2, 2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 0, 1, 1, 1, 1]. [2024-11-19 19:34:23,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 19:34:23,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 19:34:23,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 19:34:23,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 19:34:23,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (1/1) ... [2024-11-19 19:34:23,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:34:23,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 19:34:23,718 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) [2024-11-19 19:34:23,725 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 [2024-11-19 19:34:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 19:34:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 19:34:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 19:34:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 19:34:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 19:34:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-19 19:34:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-19 19:34:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-19 19:34:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 19:34:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 19:34:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 19:34:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 19:34:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 19:34:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 19:34:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 19:34:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 19:34:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-19 19:34:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-19 19:34:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-19 19:34:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-19 19:34:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-19 19:34:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-19 19:34:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 19:34:23,973 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 19:34:23,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 19:34:24,369 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-19 19:34:24,370 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 19:34:24,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 19:34:24,384 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-19 19:34:24,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:24 BoogieIcfgContainer [2024-11-19 19:34:24,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 19:34:24,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 19:34:24,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 19:34:24,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 19:34:24,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:23" (1/3) ... [2024-11-19 19:34:24,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fdbd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:24, skipping insertion in model container [2024-11-19 19:34:24,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:23" (2/3) ... [2024-11-19 19:34:24,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fdbd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:24, skipping insertion in model container [2024-11-19 19:34:24,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:24" (3/3) ... [2024-11-19 19:34:24,395 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2024-11-19 19:34:24,411 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 19:34:24,412 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 19:34:24,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 19:34:24,485 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;@34ef891, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 19:34:24,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 19:34:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 74 states have (on average 1.6216216216216217) internal successors, (120), 75 states have internal predecessors, (120), 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) [2024-11-19 19:34:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 19:34:24,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:34:24,497 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:34:24,497 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:34:24,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:34:24,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1066691095, now seen corresponding path program 1 times [2024-11-19 19:34:24,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 19:34:24,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006038114] [2024-11-19 19:34:24,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:34:24,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 19:34:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 19:34:24,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 19:34:24,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 19:34:24,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006038114] [2024-11-19 19:34:24,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006038114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 19:34:24,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 19:34:24,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 19:34:24,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994043653] [2024-11-19 19:34:24,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 19:34:24,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 19:34:24,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 19:34:24,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 19:34:24,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 19:34:24,740 INFO L87 Difference]: Start difference. First operand has 76 states, 74 states have (on average 1.6216216216216217) internal successors, (120), 75 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-11-19 19:34:24,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 19:34:24,762 INFO L93 Difference]: Finished difference Result 150 states and 238 transitions. [2024-11-19 19:34:24,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 19:34:24,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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 [2024-11-19 19:34:24,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 19:34:24,778 INFO L225 Difference]: With dead ends: 150 [2024-11-19 19:34:24,778 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 19:34:24,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 19:34:24,785 INFO L432 NwaCegarLoop]: 105 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, 105 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 [2024-11-19 19:34:24,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 19:34:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 19:34:24,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-19 19:34:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 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) [2024-11-19 19:34:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2024-11-19 19:34:24,830 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 12 [2024-11-19 19:34:24,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 19:34:24,830 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2024-11-19 19:34:24,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-11-19 19:34:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2024-11-19 19:34:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 19:34:24,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:34:24,833 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:34:24,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 19:34:24,833 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:34:24,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:34:24,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1905969300, now seen corresponding path program 1 times [2024-11-19 19:34:24,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 19:34:24,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263993110] [2024-11-19 19:34:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:34:24,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 19:34:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 19:34:24,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 19:34:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 19:34:25,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 19:34:25,001 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 19:34:25,003 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 19:34:25,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 19:34:25,010 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 19:34:25,033 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 19:34:25,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:34:25 BoogieIcfgContainer [2024-11-19 19:34:25,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 19:34:25,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 19:34:25,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 19:34:25,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 19:34:25,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:24" (3/4) ... [2024-11-19 19:34:25,044 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 19:34:25,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 19:34:25,047 INFO L158 Benchmark]: Toolchain (without parser) took 1859.65ms. Allocated memory is still 172.0MB. Free memory was 104.7MB in the beginning and 86.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-19 19:34:25,047 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 19:34:25,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.76ms. Allocated memory is still 172.0MB. Free memory was 104.4MB in the beginning and 90.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 19:34:25,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.71ms. Allocated memory is still 172.0MB. Free memory was 90.2MB in the beginning and 87.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 19:34:25,051 INFO L158 Benchmark]: Boogie Preprocessor took 69.11ms. Allocated memory is still 172.0MB. Free memory was 87.7MB in the beginning and 84.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 19:34:25,052 INFO L158 Benchmark]: RCFGBuilder took 712.21ms. Allocated memory is still 172.0MB. Free memory was 84.2MB in the beginning and 118.8MB in the end (delta: -34.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 19:34:25,052 INFO L158 Benchmark]: TraceAbstraction took 652.18ms. Allocated memory is still 172.0MB. Free memory was 118.1MB in the beginning and 86.0MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 19:34:25,052 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 172.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 19:34:25,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.76ms. Allocated memory is still 172.0MB. Free memory was 104.4MB in the beginning and 90.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.71ms. Allocated memory is still 172.0MB. Free memory was 90.2MB in the beginning and 87.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.11ms. Allocated memory is still 172.0MB. Free memory was 87.7MB in the beginning and 84.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.21ms. Allocated memory is still 172.0MB. Free memory was 84.2MB in the beginning and 118.8MB in the end (delta: -34.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 652.18ms. Allocated memory is still 172.0MB. Free memory was 118.1MB in the beginning and 86.0MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 172.0MB. Free memory is still 86.0MB. 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: 125]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = 0.0f; [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, one_fmod=1, x=4286578691, y=0] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, hx=0, hy=-8388607, one_fmod=1, sx=0, x=4286578691, y=0] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, hx=0, hy=2139095041, one_fmod=1, sx=0, x=4286578691, y=0] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, one_fmod=1, sx=0, x=4286578691, y=0] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [Zero_fmod={4:0}, \result=0, one_fmod=1] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 105 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 19:34:25,080 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/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 19:34:27,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 19:34:27,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-19 19:34:27,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 19:34:27,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 19:34:27,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 19:34:27,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 19:34:27,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 19:34:27,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 19:34:27,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 19:34:27,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 19:34:27,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 19:34:27,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 19:34:27,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 19:34:27,537 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 19:34:27,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 19:34:27,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 19:34:27,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 19:34:27,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 19:34:27,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 19:34:27,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 19:34:27,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 19:34:27,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 19:34:27,543 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 19:34:27,544 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 19:34:27,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 19:34:27,544 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 19:34:27,544 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 19:34:27,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 19:34:27,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 19:34:27,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 19:34:27,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 19:34:27,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 19:34:27,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 19:34:27,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:34:27,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 19:34:27,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 19:34:27,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 19:34:27,548 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 19:34:27,548 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 19:34:27,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 19:34:27,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 19:34:27,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 19:34:27,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 19:34:27,549 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2024-11-19 19:34:27,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 19:34:27,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 19:34:27,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 19:34:27,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 19:34:27,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 19:34:27,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2024-11-19 19:34:29,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 19:34:29,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 19:34:29,790 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2024-11-19 19:34:29,800 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a7421a6f/c6e66cb280fd409c9811ee725316d1f7/FLAG3f794423c [2024-11-19 19:34:30,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a7421a6f/c6e66cb280fd409c9811ee725316d1f7 [2024-11-19 19:34:30,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 19:34:30,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 19:34:30,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 19:34:30,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 19:34:30,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 19:34:30,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce5408a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30, skipping insertion in model container [2024-11-19 19:34:30,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 19:34:30,415 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/float_req_bl_1121a.c[2701,2714] [2024-11-19 19:34:30,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:34:30,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 19:34:30,487 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/float_req_bl_1121a.c[2701,2714] [2024-11-19 19:34:30,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:34:30,513 INFO L204 MainTranslator]: Completed translation [2024-11-19 19:34:30,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30 WrapperNode [2024-11-19 19:34:30,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 19:34:30,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 19:34:30,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 19:34:30,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 19:34:30,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,575 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2024-11-19 19:34:30,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 19:34:30,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 19:34:30,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 19:34:30,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 19:34:30,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,622 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 5, 2, 2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 0, 1, 1, 1, 1]. [2024-11-19 19:34:30,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 19:34:30,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 19:34:30,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 19:34:30,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 19:34:30,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2024-11-19 19:34:30,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:34:30,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 19:34:30,696 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) [2024-11-19 19:34:30,703 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 [2024-11-19 19:34:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 19:34:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-19 19:34:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-19 19:34:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-19 19:34:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-19 19:34:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-19 19:34:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-19 19:34:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 19:34:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 19:34:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 19:34:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-19 19:34:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-19 19:34:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-19 19:34:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 19:34:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-19 19:34:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-19 19:34:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-19 19:34:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-19 19:34:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-19 19:34:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-19 19:34:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-19 19:34:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-19 19:34:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-19 19:34:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-19 19:34:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-19 19:34:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-19 19:34:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 19:34:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 19:34:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-19 19:34:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-19 19:34:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-19 19:34:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-19 19:34:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-19 19:34:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-19 19:34:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-19 19:34:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-19 19:34:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-19 19:34:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-19 19:34:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-19 19:34:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-19 19:34:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 19:34:30,911 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 19:34:30,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 19:34:34,646 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-19 19:34:34,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 19:34:34,658 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 19:34:34,659 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-19 19:34:34,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:34 BoogieIcfgContainer [2024-11-19 19:34:34,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 19:34:34,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 19:34:34,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 19:34:34,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 19:34:34,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:30" (1/3) ... [2024-11-19 19:34:34,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528c309c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:34, skipping insertion in model container [2024-11-19 19:34:34,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (2/3) ... [2024-11-19 19:34:34,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528c309c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:34, skipping insertion in model container [2024-11-19 19:34:34,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:34" (3/3) ... [2024-11-19 19:34:34,671 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2024-11-19 19:34:34,689 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 19:34:34,690 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 19:34:34,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 19:34:34,757 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;@3d747aa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 19:34:34,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 19:34:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) [2024-11-19 19:34:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 19:34:34,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:34:34,768 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:34:34,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:34:34,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:34:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2024-11-19 19:34:34,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 19:34:34,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684087923] [2024-11-19 19:34:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:34:34,789 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 [2024-11-19 19:34:34,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 19:34:34,792 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) [2024-11-19 19:34:34,794 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 [2024-11-19 19:34:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 19:34:35,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 19:34:35,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 19:34:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 19:34:35,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 19:34:35,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 19:34:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684087923] [2024-11-19 19:34:35,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684087923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 19:34:35,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 19:34:35,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 19:34:35,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930097631] [2024-11-19 19:34:35,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 19:34:35,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 19:34:35,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 19:34:35,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 19:34:35,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 19:34:35,196 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2024-11-19 19:34:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 19:34:35,217 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2024-11-19 19:34:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 19:34:35,220 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 [2024-11-19 19:34:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 19:34:35,228 INFO L225 Difference]: With dead ends: 82 [2024-11-19 19:34:35,228 INFO L226 Difference]: Without dead ends: 39 [2024-11-19 19:34:35,231 INFO L431 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 [2024-11-19 19:34:35,235 INFO L432 NwaCegarLoop]: 57 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, 57 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 [2024-11-19 19:34:35,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 19:34:35,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-19 19:34:35,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-19 19:34:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2024-11-19 19:34:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2024-11-19 19:34:35,273 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2024-11-19 19:34:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 19:34:35,273 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2024-11-19 19:34:35,274 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) [2024-11-19 19:34:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-19 19:34:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 19:34:35,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:34:35,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:34:35,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-19 19:34:35,478 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 [2024-11-19 19:34:35,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:34:35,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:34:35,480 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2024-11-19 19:34:35,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 19:34:35,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057796549] [2024-11-19 19:34:35,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:34:35,481 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 [2024-11-19 19:34:35,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 19:34:35,484 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) [2024-11-19 19:34:35,485 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 [2024-11-19 19:34:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 19:34:35,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 19:34:35,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 19:34:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 19:34:38,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 19:34:38,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 19:34:38,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057796549] [2024-11-19 19:34:38,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057796549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 19:34:38,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 19:34:38,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 19:34:38,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947458755] [2024-11-19 19:34:38,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 19:34:38,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 19:34:38,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 19:34:38,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 19:34:38,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 19:34:38,582 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2024-11-19 19:34:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 19:34:42,748 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2024-11-19 19:34:42,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 19:34:42,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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 [2024-11-19 19:34:42,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 19:34:42,751 INFO L225 Difference]: With dead ends: 44 [2024-11-19 19:34:42,751 INFO L226 Difference]: Without dead ends: 39 [2024-11-19 19:34:42,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 19:34:42,752 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 91 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 19:34:42,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 192 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 19:34:42,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-19 19:34:42,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-19 19:34:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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) [2024-11-19 19:34:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2024-11-19 19:34:42,766 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2024-11-19 19:34:42,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 19:34:42,767 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2024-11-19 19:34:42,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2024-11-19 19:34:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-19 19:34:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 19:34:42,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:34:42,768 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:34:42,778 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 [2024-11-19 19:34:42,971 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 [2024-11-19 19:34:42,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:34:42,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:34:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2024-11-19 19:34:42,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 19:34:42,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698108066] [2024-11-19 19:34:42,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:34:42,974 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 [2024-11-19 19:34:42,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 19:34:42,976 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) [2024-11-19 19:34:42,976 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 [2024-11-19 19:34:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 19:34:43,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 19:34:43,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 19:34:43,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 19:34:43,187 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 29 treesize of output 13 [2024-11-19 19:34:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 19:34:43,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 19:34:43,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 19:34:43,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698108066] [2024-11-19 19:34:43,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698108066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 19:34:43,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 19:34:43,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 19:34:43,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085536346] [2024-11-19 19:34:43,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 19:34:43,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 19:34:43,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 19:34:43,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 19:34:43,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 19:34:43,340 INFO L87 Difference]: Start difference. First operand 39 states and 53 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) [2024-11-19 19:34:43,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 19:34:43,407 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2024-11-19 19:34:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 19:34:43,408 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 [2024-11-19 19:34:43,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 19:34:43,408 INFO L225 Difference]: With dead ends: 39 [2024-11-19 19:34:43,408 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 19:34:43,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 19:34:43,410 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 19:34:43,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 19:34:43,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 19:34:43,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 19:34:43,412 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) [2024-11-19 19:34:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 19:34:43,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-19 19:34:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 19:34:43,412 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 19:34:43,412 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) [2024-11-19 19:34:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 19:34:43,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 19:34:43,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 19:34:43,421 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 [2024-11-19 19:34:43,616 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 [2024-11-19 19:34:43,620 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-19 19:34:43,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 19:34:43,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 19:34:43,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:34:43 BoogieIcfgContainer [2024-11-19 19:34:43,804 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 19:34:43,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 19:34:43,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 19:34:43,811 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 19:34:43,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:34" (3/4) ... [2024-11-19 19:34:43,822 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 19:34:43,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 19:34:43,840 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-19 19:34:43,840 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-19 19:34:43,840 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 19:34:43,930 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 19:34:43,930 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 19:34:43,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 19:34:43,931 INFO L158 Benchmark]: Toolchain (without parser) took 13777.26ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.2MB in the beginning and 53.4MB in the end (delta: -12.2MB). Peak memory consumption was 220.5kB. Max. memory is 16.1GB. [2024-11-19 19:34:43,931 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory is still 22.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 19:34:43,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.57ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 43.8MB in the end (delta: -2.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-19 19:34:43,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.40ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 19:34:43,932 INFO L158 Benchmark]: Boogie Preprocessor took 79.28ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 38.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 19:34:43,933 INFO L158 Benchmark]: RCFGBuilder took 4000.99ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 50.1MB in the end (delta: -11.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-19 19:34:43,933 INFO L158 Benchmark]: TraceAbstraction took 9141.21ms. Allocated memory is still 81.8MB. Free memory was 49.7MB in the beginning and 58.0MB in the end (delta: -8.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-19 19:34:43,933 INFO L158 Benchmark]: Witness Printer took 120.09ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 53.4MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 19:34:43,935 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 46.1MB. Free memory is still 22.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.57ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 43.8MB in the end (delta: -2.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.40ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.28ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 38.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4000.99ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 50.1MB in the end (delta: -11.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9141.21ms. Allocated memory is still 81.8MB. Free memory was 49.7MB in the beginning and 58.0MB in the end (delta: -8.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 120.09ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 53.4MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 125]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 112 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 1 QuantifiedInterpolants, 116 SizeOfPredicates, 4 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-19 19:34:44,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE