./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:48:55,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:48:55,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:48:55,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:48:55,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:48:56,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:48:56,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:48:56,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:48:56,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:48:56,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:48:56,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:48:56,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:48:56,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:48:56,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:48:56,017 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:48:56,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:48:56,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:48:56,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:48:56,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:48:56,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:48:56,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:48:56,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:48:56,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:48:56,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:48:56,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:48:56,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:48:56,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:48:56,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:48:56,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:48:56,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:48:56,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:48:56,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:48:56,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:48:56,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:48:56,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:48:56,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:48:56,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:48:56,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:48:56,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:48:56,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:48:56,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:48:56,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:48:56,026 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2024-10-11 00:48:56,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:48:56,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:48:56,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:48:56,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:48:56,299 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:48:56,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2024-10-11 00:48:57,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:48:57,777 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:48:57,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2024-10-11 00:48:57,785 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3753db6fd/8bb6f18ed68142a7b3e392b62ec50f94/FLAG88e2202c3 [2024-10-11 00:48:57,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3753db6fd/8bb6f18ed68142a7b3e392b62ec50f94 [2024-10-11 00:48:57,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:48:57,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:48:57,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:48:57,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:48:57,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:48:57,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:48:57" (1/1) ... [2024-10-11 00:48:57,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c7462c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:57, skipping insertion in model container [2024-10-11 00:48:57,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:48:57" (1/1) ... [2024-10-11 00:48:57,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:48:57,992 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/float_req_bl_1011b.c[1146,1159] [2024-10-11 00:48:57,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:48:58,003 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:48:58,022 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/float_req_bl_1011b.c[1146,1159] [2024-10-11 00:48:58,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:48:58,039 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:48:58,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58 WrapperNode [2024-10-11 00:48:58,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:48:58,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:48:58,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:48:58,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:48:58,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,070 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-10-11 00:48:58,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:48:58,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:48:58,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:48:58,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:48:58,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,100 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,111 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-10-11 00:48:58,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:48:58,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:48:58,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:48:58,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:48:58,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (1/1) ... [2024-10-11 00:48:58,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:48:58,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:48:58,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:48:58,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:48:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:48:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:48:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:48:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:48:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:48:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:48:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:48:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:48:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:48:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:48:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:48:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:48:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:48:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:48:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:48:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:48:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:48:58,324 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:48:58,326 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:48:58,455 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 00:48:58,455 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:48:58,491 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:48:58,491 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-11 00:48:58,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:48:58 BoogieIcfgContainer [2024-10-11 00:48:58,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:48:58,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:48:58,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:48:58,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:48:58,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:48:57" (1/3) ... [2024-10-11 00:48:58,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c80819f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:48:58, skipping insertion in model container [2024-10-11 00:48:58,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:48:58" (2/3) ... [2024-10-11 00:48:58,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c80819f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:48:58, skipping insertion in model container [2024-10-11 00:48:58,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:48:58" (3/3) ... [2024-10-11 00:48:58,500 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1011b.c [2024-10-11 00:48:58,514 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:48:58,514 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:48:58,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:48:58,571 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;@746acdc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:48:58,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:48:58,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 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) [2024-10-11 00:48:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 00:48:58,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:48:58,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:48:58,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:48:58,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:48:58,586 INFO L85 PathProgramCache]: Analyzing trace with hash -445305351, now seen corresponding path program 1 times [2024-10-11 00:48:58,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:48:58,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148685804] [2024-10-11 00:48:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:48:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:48:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:48:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:48:58,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:48:58,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148685804] [2024-10-11 00:48:58,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148685804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:48:58,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:48:58,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:48:58,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242662752] [2024-10-11 00:48:58,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:48:58,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:48:58,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:48:58,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:48:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:48:58,730 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-10-11 00:48:58,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:48:58,752 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2024-10-11 00:48:58,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:48:58,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-10-11 00:48:58,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:48:58,760 INFO L225 Difference]: With dead ends: 29 [2024-10-11 00:48:58,761 INFO L226 Difference]: Without dead ends: 13 [2024-10-11 00:48:58,763 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 [2024-10-11 00:48:58,767 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:48:58,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:48:58,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-11 00:48:58,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-11 00:48:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:48:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-10-11 00:48:58,795 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2024-10-11 00:48:58,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:48:58,797 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-10-11 00:48:58,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-10-11 00:48:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-10-11 00:48:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 00:48:58,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:48:58,799 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:48:58,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:48:58,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:48:58,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:48:58,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1390415094, now seen corresponding path program 1 times [2024-10-11 00:48:58,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:48:58,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125649458] [2024-10-11 00:48:58,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:48:58,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:48:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:48:58,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:48:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:48:58,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:48:58,897 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:48:58,900 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:48:58,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:48:58,904 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 00:48:58,920 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 00:48:58,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:48:58 BoogieIcfgContainer [2024-10-11 00:48:58,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 00:48:58,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 00:48:58,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 00:48:58,926 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 00:48:58,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:48:58" (3/4) ... [2024-10-11 00:48:58,928 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 00:48:58,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 00:48:58,930 INFO L158 Benchmark]: Toolchain (without parser) took 1125.83ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 87.1MB in the beginning and 146.9MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:48:58,931 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 109.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:48:58,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.79ms. Allocated memory is still 159.4MB. Free memory was 86.9MB in the beginning and 74.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 00:48:58,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.93ms. Allocated memory is still 159.4MB. Free memory was 74.5MB in the beginning and 72.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:48:58,933 INFO L158 Benchmark]: Boogie Preprocessor took 64.29ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 72.9MB in the beginning and 187.8MB in the end (delta: -114.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 00:48:58,933 INFO L158 Benchmark]: RCFGBuilder took 354.51ms. Allocated memory is still 216.0MB. Free memory was 187.8MB in the beginning and 173.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 00:48:58,933 INFO L158 Benchmark]: TraceAbstraction took 429.65ms. Allocated memory is still 216.0MB. Free memory was 172.1MB in the beginning and 146.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-11 00:48:58,935 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 216.0MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:48:58,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 109.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.79ms. Allocated memory is still 159.4MB. Free memory was 86.9MB in the beginning and 74.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.93ms. Allocated memory is still 159.4MB. Free memory was 74.5MB in the beginning and 72.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.29ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 72.9MB in the beginning and 187.8MB in the end (delta: -114.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 354.51ms. Allocated memory is still 216.0MB. Free memory was 187.8MB in the beginning and 173.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 429.65ms. Allocated memory is still 216.0MB. Free memory was 172.1MB in the beginning and 146.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 216.0MB. Free memory is still 146.9MB. 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: 52]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someUnaryFLOAToperation at line 47. Possible FailurePath: [L47] float x = -0.0f; [L48] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type sf_u; [L23] sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] (x) = sf_u.value [L26] return x; [L48] RET, EXPR fabs_float(x) [L48] float res = fabs_float(x); [L51] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=62] [L51] EXPR res == 0.0f && __signbit_float(res) == 0 [L51] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L52] reach_error() VAL [res=62] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 00:48:58,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:49:00,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:49:01,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:49:01,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:49:01,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:49:01,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:49:01,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:49:01,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:49:01,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:49:01,052 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:49:01,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:49:01,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:49:01,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:49:01,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:49:01,054 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:49:01,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:49:01,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:49:01,057 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:49:01,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:49:01,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:49:01,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:49:01,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:49:01,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:49:01,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:49:01,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:49:01,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:49:01,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:49:01,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:49:01,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:49:01,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:49:01,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:49:01,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:49:01,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:49:01,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:49:01,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:49:01,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:49:01,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:49:01,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:49:01,063 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:49:01,063 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:49:01,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:49:01,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:49:01,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:49:01,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:49:01,065 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:49:01,065 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2024-10-11 00:49:01,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:49:01,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:49:01,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:49:01,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:49:01,393 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:49:01,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2024-10-11 00:49:02,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:49:02,842 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:49:02,843 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2024-10-11 00:49:02,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4e474bdc0/8dc929f7a5294160a9bf3a17541286bf/FLAGa21610e50 [2024-10-11 00:49:02,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4e474bdc0/8dc929f7a5294160a9bf3a17541286bf [2024-10-11 00:49:02,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:49:02,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:49:02,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:49:02,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:49:02,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:49:02,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:49:02" (1/1) ... [2024-10-11 00:49:02,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c4e58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:02, skipping insertion in model container [2024-10-11 00:49:02,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:49:02" (1/1) ... [2024-10-11 00:49:02,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:49:03,067 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/float_req_bl_1011b.c[1146,1159] [2024-10-11 00:49:03,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:49:03,084 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:49:03,102 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/float_req_bl_1011b.c[1146,1159] [2024-10-11 00:49:03,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:49:03,122 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:49:03,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03 WrapperNode [2024-10-11 00:49:03,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:49:03,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:49:03,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:49:03,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:49:03,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,157 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-10-11 00:49:03,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:49:03,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:49:03,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:49:03,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:49:03,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,187 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-10-11 00:49:03,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:49:03,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:49:03,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:49:03,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:49:03,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (1/1) ... [2024-10-11 00:49:03,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:49:03,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:49:03,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:49:03,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:49:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:49:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:49:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:49:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:49:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:49:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:49:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-10-11 00:49:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-10-11 00:49:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-10-11 00:49:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-10-11 00:49:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:49:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:49:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:49:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:49:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:49:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:49:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-10-11 00:49:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-10-11 00:49:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-10-11 00:49:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-10-11 00:49:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:49:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:49:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:49:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:49:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:49:03,396 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:49:03,398 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:49:03,577 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 00:49:03,577 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:49:03,601 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:49:03,601 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-11 00:49:03,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:49:03 BoogieIcfgContainer [2024-10-11 00:49:03,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:49:03,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:49:03,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:49:03,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:49:03,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:49:02" (1/3) ... [2024-10-11 00:49:03,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9ce9f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:49:03, skipping insertion in model container [2024-10-11 00:49:03,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:49:03" (2/3) ... [2024-10-11 00:49:03,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9ce9f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:49:03, skipping insertion in model container [2024-10-11 00:49:03,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:49:03" (3/3) ... [2024-10-11 00:49:03,611 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1011b.c [2024-10-11 00:49:03,626 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:49:03,626 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:49:03,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:49:03,687 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;@73b684e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:49:03,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:49:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 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) [2024-10-11 00:49:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 00:49:03,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:49:03,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:49:03,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:49:03,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:49:03,703 INFO L85 PathProgramCache]: Analyzing trace with hash -445305351, now seen corresponding path program 1 times [2024-10-11 00:49:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:49:03,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038563734] [2024-10-11 00:49:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:49:03,714 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 [2024-10-11 00:49:03,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:49:03,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 00:49:03,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:49:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:49:03,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:49:03,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:49:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:49:03,801 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:49:03,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:49:03,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038563734] [2024-10-11 00:49:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038563734] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:49:03,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:49:03,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:49:03,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729955161] [2024-10-11 00:49:03,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:49:03,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:49:03,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:49:03,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:49:03,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:49:03,831 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-10-11 00:49:03,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:49:03,858 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2024-10-11 00:49:03,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:49:03,861 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-10-11 00:49:03,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:49:03,866 INFO L225 Difference]: With dead ends: 29 [2024-10-11 00:49:03,866 INFO L226 Difference]: Without dead ends: 13 [2024-10-11 00:49:03,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:49:03,873 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:49:03,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:49:03,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-11 00:49:03,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-11 00:49:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:49:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-10-11 00:49:03,909 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2024-10-11 00:49:03,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:49:03,909 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-10-11 00:49:03,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-10-11 00:49:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-10-11 00:49:03,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 00:49:03,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:49:03,911 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:49:03,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 00:49:04,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 00:49:04,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:49:04,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:49:04,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1390415094, now seen corresponding path program 1 times [2024-10-11 00:49:04,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:49:04,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709217694] [2024-10-11 00:49:04,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:49:04,115 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 [2024-10-11 00:49:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:49:04,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 00:49:04,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:49:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:49:04,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 00:49:04,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:49:04,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 00:49:04,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-10-11 00:49:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:49:04,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:49:04,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:49:04,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709217694] [2024-10-11 00:49:04,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709217694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:49:04,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:49:04,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 00:49:04,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15655621] [2024-10-11 00:49:04,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:49:04,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 00:49:04,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:49:04,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 00:49:04,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 00:49:04,346 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-10-11 00:49:04,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:49:04,406 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2024-10-11 00:49:04,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 00:49:04,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-10-11 00:49:04,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:49:04,407 INFO L225 Difference]: With dead ends: 16 [2024-10-11 00:49:04,407 INFO L226 Difference]: Without dead ends: 13 [2024-10-11 00:49:04,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 00:49:04,409 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:49:04,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:49:04,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-11 00:49:04,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-11 00:49:04,411 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) [2024-10-11 00:49:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2024-10-11 00:49:04,412 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 9 [2024-10-11 00:49:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:49:04,415 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2024-10-11 00:49:04,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-10-11 00:49:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-10-11 00:49:04,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 00:49:04,415 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:49:04,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:49:04,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 00:49:04,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 00:49:04,617 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:49:04,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:49:04,618 INFO L85 PathProgramCache]: Analyzing trace with hash 688712440, now seen corresponding path program 1 times [2024-10-11 00:49:04,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:49:04,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474579196] [2024-10-11 00:49:04,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:49:04,622 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 [2024-10-11 00:49:04,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:49:04,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/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) [2024-10-11 00:49:04,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:49:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:49:04,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 00:49:04,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:49:04,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 00:49:04,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-10-11 00:49:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:49:04,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:49:04,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:49:04,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474579196] [2024-10-11 00:49:04,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474579196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:49:04,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:49:04,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 00:49:04,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005268455] [2024-10-11 00:49:04,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:49:04,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 00:49:04,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:49:04,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 00:49:04,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 00:49:04,966 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2024-10-11 00:49:05,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:49:05,119 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2024-10-11 00:49:05,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 00:49:05,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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 [2024-10-11 00:49:05,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:49:05,120 INFO L225 Difference]: With dead ends: 13 [2024-10-11 00:49:05,120 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 00:49:05,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-11 00:49:05,122 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 00:49:05,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 00:49:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 00:49:05,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 00:49:05,123 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) [2024-10-11 00:49:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 00:49:05,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2024-10-11 00:49:05,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:49:05,123 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 00:49:05,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2024-10-11 00:49:05,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 00:49:05,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 00:49:05,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:49:05,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-11 00:49:05,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/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 [2024-10-11 00:49:05,337 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 00:49:05,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 00:49:05,356 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 00:49:05,362 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-11 00:49:05,363 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-10-11 00:49:05,365 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-10-11 00:49:05,365 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-10-11 00:49:05,365 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-10-11 00:49:05,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:49:05 BoogieIcfgContainer [2024-10-11 00:49:05,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 00:49:05,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 00:49:05,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 00:49:05,367 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 00:49:05,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:49:03" (3/4) ... [2024-10-11 00:49:05,369 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 00:49:05,374 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 00:49:05,375 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 00:49:05,375 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 00:49:05,375 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 00:49:05,442 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 00:49:05,443 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 00:49:05,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 00:49:05,443 INFO L158 Benchmark]: Toolchain (without parser) took 2572.07ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 29.2MB in the beginning and 38.4MB in the end (delta: -9.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-10-11 00:49:05,443 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:49:05,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.39ms. Allocated memory is still 62.9MB. Free memory was 29.0MB in the beginning and 36.0MB in the end (delta: -7.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-10-11 00:49:05,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.37ms. Allocated memory is still 62.9MB. Free memory was 36.0MB in the beginning and 34.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:49:05,444 INFO L158 Benchmark]: Boogie Preprocessor took 56.87ms. Allocated memory is still 62.9MB. Free memory was 34.4MB in the beginning and 32.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 00:49:05,444 INFO L158 Benchmark]: RCFGBuilder took 385.19ms. Allocated memory is still 62.9MB. Free memory was 31.8MB in the beginning and 38.3MB in the end (delta: -6.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 00:49:05,444 INFO L158 Benchmark]: TraceAbstraction took 1763.25ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 37.7MB in the beginning and 42.6MB in the end (delta: -4.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-10-11 00:49:05,445 INFO L158 Benchmark]: Witness Printer took 76.36ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 38.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 00:49:05,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.39ms. Allocated memory is still 62.9MB. Free memory was 29.0MB in the beginning and 36.0MB in the end (delta: -7.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.37ms. Allocated memory is still 62.9MB. Free memory was 36.0MB in the beginning and 34.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.87ms. Allocated memory is still 62.9MB. Free memory was 34.4MB in the beginning and 32.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.19ms. Allocated memory is still 62.9MB. Free memory was 31.8MB in the beginning and 38.3MB in the end (delta: -6.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1763.25ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 37.7MB in the beginning and 42.6MB in the end (delta: -4.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 76.36ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 38.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 * 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: 52]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 20 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 8 QuantifiedInterpolants, 287 SizeOfPredicates, 11 NumberOfNonLiveVariables, 125 ConjunctsInSsa, 31 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: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-10-11 00:49:05,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE