./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/double_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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/double_req_bl_0981.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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 22:23:25,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 22:23:25,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 22:23:25,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 22:23:25,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 22:23:25,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 22:23:25,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 22:23:25,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 22:23:25,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 22:23:25,748 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 22:23:25,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 22:23:25,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 22:23:25,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 22:23:25,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 22:23:25,751 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 22:23:25,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 22:23:25,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 22:23:25,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 22:23:25,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 22:23:25,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 22:23:25,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 22:23:25,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 22:23:25,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 22:23:25,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 22:23:25,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 22:23:25,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 22:23:25,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 22:23:25,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 22:23:25,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 22:23:25,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 22:23:25,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 22:23:25,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 22:23:25,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:23:25,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 22:23:25,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 22:23:25,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 22:23:25,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 22:23:25,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 22:23:25,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 22:23:25,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 22:23:25,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 22:23:25,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 22:23:25,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2024-10-23 22:23:26,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 22:23:26,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 22:23:26,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 22:23:26,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 22:23:26,045 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 22:23:26,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-10-23 22:23:27,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 22:23:27,646 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 22:23:27,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-10-23 22:23:27,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa921eaf1/1c90c1f4339a4d8e9f4b7adb4965e0d2/FLAG7655ea046 [2024-10-23 22:23:27,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa921eaf1/1c90c1f4339a4d8e9f4b7adb4965e0d2 [2024-10-23 22:23:27,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 22:23:27,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 22:23:27,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 22:23:27,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 22:23:27,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 22:23:27,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:23:27" (1/1) ... [2024-10-23 22:23:27,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d908dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:27, skipping insertion in model container [2024-10-23 22:23:27,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:23:27" (1/1) ... [2024-10-23 22:23:27,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 22:23:27,964 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2024-10-23 22:23:27,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:23:27,981 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 22:23:28,023 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2024-10-23 22:23:28,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:23:28,041 INFO L204 MainTranslator]: Completed translation [2024-10-23 22:23:28,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28 WrapperNode [2024-10-23 22:23:28,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 22:23:28,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 22:23:28,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 22:23:28,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 22:23:28,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,105 INFO L138 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 326 [2024-10-23 22:23:28,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 22:23:28,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 22:23:28,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 22:23:28,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 22:23:28,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,152 INFO L175 MemorySlicer]: Split 21 memory accesses to 8 slices as follows [2, 2, 3, 3, 2, 3, 3, 3]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 2, 2, 1, 1, 1, 1]. [2024-10-23 22:23:28,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 22:23:28,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 22:23:28,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 22:23:28,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 22:23:28,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (1/1) ... [2024-10-23 22:23:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:23:28,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 22:23:28,235 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) [2024-10-23 22:23:28,238 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 [2024-10-23 22:23:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 22:23:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-23 22:23:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-23 22:23:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-23 22:23:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-23 22:23:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-23 22:23:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-23 22:23:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-23 22:23:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-23 22:23:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 22:23:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-23 22:23:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-23 22:23:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-23 22:23:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-23 22:23:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-23 22:23:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-23 22:23:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-23 22:23:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-23 22:23:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-23 22:23:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-23 22:23:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-23 22:23:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-23 22:23:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-23 22:23:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-23 22:23:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-23 22:23:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-23 22:23:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-23 22:23:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-23 22:23:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-23 22:23:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-23 22:23:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-23 22:23:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-23 22:23:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-23 22:23:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-23 22:23:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 22:23:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 22:23:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-23 22:23:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-23 22:23:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-23 22:23:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-23 22:23:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-23 22:23:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-23 22:23:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-23 22:23:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-23 22:23:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 22:23:28,438 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 22:23:28,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 22:23:28,892 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-10-23 22:23:28,892 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 22:23:28,917 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 22:23:28,917 INFO L314 CfgBuilder]: Removed 14 assume(true) statements. [2024-10-23 22:23:28,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:23:28 BoogieIcfgContainer [2024-10-23 22:23:28,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 22:23:28,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 22:23:28,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 22:23:28,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 22:23:28,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:23:27" (1/3) ... [2024-10-23 22:23:28,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661ea8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:23:28, skipping insertion in model container [2024-10-23 22:23:28,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:28" (2/3) ... [2024-10-23 22:23:28,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661ea8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:23:28, skipping insertion in model container [2024-10-23 22:23:28,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:23:28" (3/3) ... [2024-10-23 22:23:28,926 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2024-10-23 22:23:28,953 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 22:23:28,953 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 22:23:29,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 22:23:29,047 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;@74fe1dd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 22:23:29,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 22:23:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 77 states have (on average 1.6753246753246753) internal successors, (129), 78 states have internal predecessors, (129), 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) [2024-10-23 22:23:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-23 22:23:29,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:23:29,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:23:29,058 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:23:29,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:23:29,062 INFO L85 PathProgramCache]: Analyzing trace with hash -279034444, now seen corresponding path program 1 times [2024-10-23 22:23:29,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:23:29,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844297485] [2024-10-23 22:23:29,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:23:29,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:23:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:23:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:23:29,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:23:29,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844297485] [2024-10-23 22:23:29,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844297485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:23:29,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:23:29,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 22:23:29,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290533745] [2024-10-23 22:23:29,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:23:29,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 22:23:29,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:23:29,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 22:23:29,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:23:29,262 INFO L87 Difference]: Start difference. First operand has 79 states, 77 states have (on average 1.6753246753246753) internal successors, (129), 78 states have internal predecessors, (129), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-10-23 22:23:29,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:23:29,300 INFO L93 Difference]: Finished difference Result 157 states and 257 transitions. [2024-10-23 22:23:29,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 22:23:29,303 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2024-10-23 22:23:29,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:23:29,313 INFO L225 Difference]: With dead ends: 157 [2024-10-23 22:23:29,313 INFO L226 Difference]: Without dead ends: 77 [2024-10-23 22:23:29,316 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 [2024-10-23 22:23:29,321 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 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 [2024-10-23 22:23:29,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 22:23:29,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-23 22:23:29,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-23 22:23:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 76 states have internal predecessors, (111), 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) [2024-10-23 22:23:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 111 transitions. [2024-10-23 22:23:29,361 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 111 transitions. Word has length 15 [2024-10-23 22:23:29,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:23:29,362 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 111 transitions. [2024-10-23 22:23:29,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-10-23 22:23:29,363 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2024-10-23 22:23:29,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-23 22:23:29,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:23:29,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:23:29,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-23 22:23:29,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:23:29,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:23:29,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1424982100, now seen corresponding path program 1 times [2024-10-23 22:23:29,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:23:29,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102936330] [2024-10-23 22:23:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:23:29,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:23:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:23:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:23:29,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:23:29,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102936330] [2024-10-23 22:23:29,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102936330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:23:29,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:23:29,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 22:23:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902254665] [2024-10-23 22:23:29,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:23:29,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 22:23:29,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:23:29,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 22:23:29,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:23:29,809 INFO L87 Difference]: Start difference. First operand 77 states and 111 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:23:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:23:29,884 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2024-10-23 22:23:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 22:23:29,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-23 22:23:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:23:29,887 INFO L225 Difference]: With dead ends: 85 [2024-10-23 22:23:29,887 INFO L226 Difference]: Without dead ends: 81 [2024-10-23 22:23:29,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:23:29,892 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 2 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-23 22:23:29,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 302 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-23 22:23:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-23 22:23:29,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2024-10-23 22:23:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 79 states have internal predecessors, (114), 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) [2024-10-23 22:23:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2024-10-23 22:23:29,907 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 17 [2024-10-23 22:23:29,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:23:29,907 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2024-10-23 22:23:29,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:23:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2024-10-23 22:23:29,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-23 22:23:29,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:23:29,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:23:29,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-23 22:23:29,911 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:23:29,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:23:29,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1441810169, now seen corresponding path program 1 times [2024-10-23 22:23:29,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:23:29,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137889658] [2024-10-23 22:23:29,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:23:29,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:23:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:23:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:23:30,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:23:30,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137889658] [2024-10-23 22:23:30,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137889658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:23:30,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:23:30,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 22:23:30,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809295911] [2024-10-23 22:23:30,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:23:30,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 22:23:30,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:23:30,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 22:23:30,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:23:30,212 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:23:30,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:23:30,238 INFO L93 Difference]: Finished difference Result 84 states and 117 transitions. [2024-10-23 22:23:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 22:23:30,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-23 22:23:30,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:23:30,239 INFO L225 Difference]: With dead ends: 84 [2024-10-23 22:23:30,239 INFO L226 Difference]: Without dead ends: 80 [2024-10-23 22:23:30,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:23:30,241 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 22:23:30,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 322 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 22:23:30,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-23 22:23:30,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-10-23 22:23:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 76 states have internal predecessors, (109), 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) [2024-10-23 22:23:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2024-10-23 22:23:30,248 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2024-10-23 22:23:30,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:23:30,248 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2024-10-23 22:23:30,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:23:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2024-10-23 22:23:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-23 22:23:30,249 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:23:30,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:23:30,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-23 22:23:30,250 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:23:30,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:23:30,250 INFO L85 PathProgramCache]: Analyzing trace with hash -645401871, now seen corresponding path program 1 times [2024-10-23 22:23:30,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:23:30,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769428413] [2024-10-23 22:23:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:23:30,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:23:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 22:23:30,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-23 22:23:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 22:23:30,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-23 22:23:30,347 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-23 22:23:30,348 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-23 22:23:30,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-23 22:23:30,352 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-23 22:23:30,390 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 22:23:30,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:23:30 BoogieIcfgContainer [2024-10-23 22:23:30,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 22:23:30,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 22:23:30,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 22:23:30,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 22:23:30,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:23:28" (3/4) ... [2024-10-23 22:23:30,399 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-23 22:23:30,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 22:23:30,401 INFO L158 Benchmark]: Toolchain (without parser) took 2732.36ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 146.0MB in the beginning and 134.6MB in the end (delta: 11.4MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-10-23 22:23:30,401 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:23:30,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.92ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 130.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-23 22:23:30,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.63ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 127.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 22:23:30,404 INFO L158 Benchmark]: Boogie Preprocessor took 75.18ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 123.0MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-23 22:23:30,405 INFO L158 Benchmark]: RCFGBuilder took 724.60ms. Allocated memory is still 176.2MB. Free memory was 123.0MB in the beginning and 91.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-23 22:23:30,405 INFO L158 Benchmark]: TraceAbstraction took 1475.26ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 90.8MB in the beginning and 134.6MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:23:30,405 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 211.8MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:23:30,407 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 121.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.92ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 130.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.63ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 127.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.18ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 123.0MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 724.60ms. Allocated memory is still 176.2MB. Free memory was 123.0MB in the beginning and 91.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1475.26ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 90.8MB in the beginning and 134.6MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 211.8MB. Free memory is still 134.6MB. 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: 188]: 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 bitwiseOr at line 172, overapproximation of someBinaryArithmeticDOUBLEoperation at line 145. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; [L183] double x = 1.0 / 0.0; [L184] CALL, EXPR __ieee754_log10(x) [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=2146435072, ivln10_log10=108573620475812954167/250000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=18014398509481985, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481998, zero=0, zero_log10=0] [L131] COND FALSE !(hx < 0x00100000) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] [L144] COND TRUE hx >= 0x7ff00000 [L145] return x + x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=18014398509481985, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481998, zero=0, zero_log10=0] [L184] RET, EXPR __ieee754_log10(x) [L184] double res = __ieee754_log10(x); [L187] CALL, EXPR isinf_double(res) [L162] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L164] ieee_double_shape_type ew_u; [L165] ew_u.value = (x) [L166] EXPR ew_u.parts.msw [L166] (hx) = ew_u.parts.msw [L167] EXPR ew_u.parts.lsw [L167] (lx) = ew_u.parts.lsw [L169] hx &= 0x7fffffff VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L170] EXPR lx | (-lx) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L170] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L171] hx = 0x7ff00000 - hx VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=2146435072, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L172] EXPR hx | (-hx) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L172] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L187] RET, EXPR isinf_double(res) [L187] COND TRUE !isinf_double(res) [L188] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 734 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 324 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=2, InterpolantAutomatonStates: 10, 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-23 22:23:30,441 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/double_req_bl_0981.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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 22:23:32,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 22:23:32,680 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-23 22:23:32,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 22:23:32,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 22:23:32,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 22:23:32,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 22:23:32,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 22:23:32,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 22:23:32,721 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 22:23:32,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 22:23:32,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 22:23:32,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 22:23:32,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 22:23:32,726 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 22:23:32,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 22:23:32,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 22:23:32,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 22:23:32,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 22:23:32,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 22:23:32,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 22:23:32,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 22:23:32,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 22:23:32,732 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-23 22:23:32,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-23 22:23:32,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 22:23:32,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-23 22:23:32,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 22:23:32,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 22:23:32,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 22:23:32,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 22:23:32,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 22:23:32,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 22:23:32,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 22:23:32,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:23:32,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 22:23:32,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 22:23:32,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 22:23:32,745 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-23 22:23:32,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-23 22:23:32,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 22:23:32,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 22:23:32,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 22:23:32,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 22:23:32,747 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-23 22:23:32,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2024-10-23 22:23:33,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 22:23:33,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 22:23:33,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 22:23:33,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 22:23:33,140 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 22:23:33,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-10-23 22:23:34,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 22:23:34,870 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 22:23:34,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-10-23 22:23:34,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5481abd/fc0715404d5a40e1b0fb560c676c9c72/FLAG0bc4cd291 [2024-10-23 22:23:34,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5481abd/fc0715404d5a40e1b0fb560c676c9c72 [2024-10-23 22:23:34,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 22:23:34,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 22:23:34,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 22:23:34,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 22:23:34,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 22:23:34,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:23:34" (1/1) ... [2024-10-23 22:23:34,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7095f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:34, skipping insertion in model container [2024-10-23 22:23:34,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:23:34" (1/1) ... [2024-10-23 22:23:34,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 22:23:35,192 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2024-10-23 22:23:35,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:23:35,219 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 22:23:35,274 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c[4783,4796] [2024-10-23 22:23:35,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:23:35,301 INFO L204 MainTranslator]: Completed translation [2024-10-23 22:23:35,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35 WrapperNode [2024-10-23 22:23:35,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 22:23:35,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 22:23:35,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 22:23:35,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 22:23:35,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,371 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 241 [2024-10-23 22:23:35,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 22:23:35,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 22:23:35,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 22:23:35,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 22:23:35,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,418 INFO L175 MemorySlicer]: Split 21 memory accesses to 8 slices as follows [2, 3, 3, 2, 3, 2, 3, 3]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 2, 1, 2, 1, 1, 1]. [2024-10-23 22:23:35,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 22:23:35,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 22:23:35,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 22:23:35,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 22:23:35,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (1/1) ... [2024-10-23 22:23:35,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:23:35,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 22:23:35,496 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) [2024-10-23 22:23:35,500 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 [2024-10-23 22:23:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 22:23:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-23 22:23:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-23 22:23:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-23 22:23:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-23 22:23:35,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-23 22:23:35,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-23 22:23:35,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 22:23:35,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-23 22:23:35,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-23 22:23:35,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 22:23:35,686 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 22:23:35,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 22:24:35,321 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-10-23 22:24:35,321 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 22:24:35,349 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 22:24:35,352 INFO L314 CfgBuilder]: Removed 14 assume(true) statements. [2024-10-23 22:24:35,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:24:35 BoogieIcfgContainer [2024-10-23 22:24:35,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 22:24:35,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 22:24:35,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 22:24:35,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 22:24:35,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:23:34" (1/3) ... [2024-10-23 22:24:35,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c104f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:24:35, skipping insertion in model container [2024-10-23 22:24:35,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:23:35" (2/3) ... [2024-10-23 22:24:35,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c104f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:24:35, skipping insertion in model container [2024-10-23 22:24:35,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:24:35" (3/3) ... [2024-10-23 22:24:35,358 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2024-10-23 22:24:35,370 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 22:24:35,370 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 22:24:35,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 22:24:35,438 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;@33e00ea6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 22:24:35,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 22:24:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.775) internal successors, (71), 41 states have internal predecessors, (71), 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) [2024-10-23 22:24:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-23 22:24:35,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:24:35,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:24:35,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:24:35,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:24:35,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1991493455, now seen corresponding path program 1 times [2024-10-23 22:24:35,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:24:35,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021271046] [2024-10-23 22:24:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:24:35,466 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 [2024-10-23 22:24:35,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:24:35,467 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) [2024-10-23 22:24:35,469 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 [2024-10-23 22:24:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:24:36,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-23 22:24:36,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:24:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:24:36,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:24:36,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:24:36,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021271046] [2024-10-23 22:24:36,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021271046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:24:36,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:24:36,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 22:24:36,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904619770] [2024-10-23 22:24:36,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:24:36,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 22:24:36,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:24:36,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 22:24:36,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:24:36,257 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.775) internal successors, (71), 41 states have internal predecessors, (71), 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) [2024-10-23 22:24:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:24:36,427 INFO L93 Difference]: Finished difference Result 83 states and 141 transitions. [2024-10-23 22:24:36,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 22:24:36,430 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 [2024-10-23 22:24:36,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:24:36,438 INFO L225 Difference]: With dead ends: 83 [2024-10-23 22:24:36,438 INFO L226 Difference]: Without dead ends: 40 [2024-10-23 22:24:36,441 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 [2024-10-23 22:24:36,446 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-23 22:24:36,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-23 22:24:36,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-23 22:24:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-23 22:24:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 39 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) [2024-10-23 22:24:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2024-10-23 22:24:36,484 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 10 [2024-10-23 22:24:36,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:24:36,485 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2024-10-23 22:24:36,485 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) [2024-10-23 22:24:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-10-23 22:24:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-23 22:24:36,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:24:36,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:24:36,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-23 22:24:36,688 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 [2024-10-23 22:24:36,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:24:36,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:24:36,690 INFO L85 PathProgramCache]: Analyzing trace with hash 47591404, now seen corresponding path program 1 times [2024-10-23 22:24:36,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:24:36,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533379024] [2024-10-23 22:24:36,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:24:36,691 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 [2024-10-23 22:24:36,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:24:36,694 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) [2024-10-23 22:24:36,696 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 [2024-10-23 22:24:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:24:37,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-23 22:24:37,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:24:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:24:38,559 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:24:38,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:24:38,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533379024] [2024-10-23 22:24:38,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533379024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:24:38,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:24:38,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 22:24:38,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271278406] [2024-10-23 22:24:38,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:24:38,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 22:24:38,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:24:38,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 22:24:38,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:24:38,562 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 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) [2024-10-23 22:24:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:24:39,531 INFO L93 Difference]: Finished difference Result 48 states and 62 transitions. [2024-10-23 22:24:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 22:24:39,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 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 [2024-10-23 22:24:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:24:39,533 INFO L225 Difference]: With dead ends: 48 [2024-10-23 22:24:39,533 INFO L226 Difference]: Without dead ends: 13 [2024-10-23 22:24:39,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-23 22:24:39,535 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-23 22:24:39,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 15 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-23 22:24:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-23 22:24:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-23 22:24:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 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) [2024-10-23 22:24:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2024-10-23 22:24:39,539 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2024-10-23 22:24:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:24:39,539 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2024-10-23 22:24:39,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 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) [2024-10-23 22:24:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-10-23 22:24:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-23 22:24:39,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:24:39,540 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:24:39,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-23 22:24:39,740 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 [2024-10-23 22:24:39,741 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:24:39,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:24:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash -361877971, now seen corresponding path program 1 times [2024-10-23 22:24:39,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:24:39,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842175537] [2024-10-23 22:24:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:24:39,743 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 [2024-10-23 22:24:39,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:24:39,745 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) [2024-10-23 22:24:39,746 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 [2024-10-23 22:24:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:24:39,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-23 22:24:39,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:24:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:24:43,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:24:43,448 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:24:43,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842175537] [2024-10-23 22:24:43,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842175537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:24:43,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:24:43,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-23 22:24:43,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512522709] [2024-10-23 22:24:43,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:24:43,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-23 22:24:43,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:24:43,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-23 22:24:43,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-23 22:24:43,450 INFO L87 Difference]: Start difference. First operand 13 states and 12 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) [2024-10-23 22:24:45,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:24:45,353 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2024-10-23 22:24:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-23 22:24:45,354 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 [2024-10-23 22:24:45,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:24:45,354 INFO L225 Difference]: With dead ends: 13 [2024-10-23 22:24:45,354 INFO L226 Difference]: Without dead ends: 0 [2024-10-23 22:24:45,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-23 22:24:45,355 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-23 22:24:45,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-23 22:24:45,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-23 22:24:45,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-23 22:24:45,357 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) [2024-10-23 22:24:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-23 22:24:45,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2024-10-23 22:24:45,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:24:45,359 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-23 22:24:45,359 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) [2024-10-23 22:24:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-23 22:24:45,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-23 22:24:45,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-23 22:24:45,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-23 22:24:45,566 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 [2024-10-23 22:24:45,569 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-23 22:24:45,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-23 22:24:46,136 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 22:24:46,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:24:46 BoogieIcfgContainer [2024-10-23 22:24:46,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 22:24:46,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 22:24:46,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 22:24:46,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 22:24:46,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:24:35" (3/4) ... [2024-10-23 22:24:46,160 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-23 22:24:46,187 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-10-23 22:24:46,188 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-23 22:24:46,192 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-23 22:24:46,193 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-23 22:24:46,350 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-23 22:24:46,351 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-23 22:24:46,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 22:24:46,351 INFO L158 Benchmark]: Toolchain (without parser) took 71454.28ms. Allocated memory is still 69.2MB. Free memory was 41.0MB in the beginning and 40.1MB in the end (delta: 943.5kB). Peak memory consumption was 961.3kB. Max. memory is 16.1GB. [2024-10-23 22:24:46,352 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:24:46,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.14ms. Allocated memory is still 69.2MB. Free memory was 40.9MB in the beginning and 42.9MB in the end (delta: -2.0MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-10-23 22:24:46,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.52ms. Allocated memory is still 69.2MB. Free memory was 42.9MB in the beginning and 40.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 22:24:46,353 INFO L158 Benchmark]: Boogie Preprocessor took 84.17ms. Allocated memory is still 69.2MB. Free memory was 40.5MB in the beginning and 36.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-23 22:24:46,353 INFO L158 Benchmark]: RCFGBuilder took 59894.80ms. Allocated memory is still 69.2MB. Free memory was 36.0MB in the beginning and 29.5MB in the end (delta: 6.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-10-23 22:24:46,353 INFO L158 Benchmark]: TraceAbstraction took 10802.32ms. Allocated memory is still 69.2MB. Free memory was 28.6MB in the beginning and 45.5MB in the end (delta: -16.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-10-23 22:24:46,354 INFO L158 Benchmark]: Witness Printer took 194.12ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 40.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-23 22:24:46,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.14ms. Allocated memory is still 69.2MB. Free memory was 40.9MB in the beginning and 42.9MB in the end (delta: -2.0MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.52ms. Allocated memory is still 69.2MB. Free memory was 42.9MB in the beginning and 40.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.17ms. Allocated memory is still 69.2MB. Free memory was 40.5MB in the beginning and 36.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 59894.80ms. Allocated memory is still 69.2MB. Free memory was 36.0MB in the beginning and 29.5MB in the end (delta: 6.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10802.32ms. Allocated memory is still 69.2MB. Free memory was 28.6MB in the beginning and 45.5MB in the end (delta: -16.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 194.12ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 40.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. 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: 188]: 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: 10.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 64 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s 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, 1.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 9 QuantifiedInterpolants, 289 SizeOfPredicates, 7 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 21 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: 123]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-10-23 22:24:46,568 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-10-23 22:24:46,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE