./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:41:38,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:41:38,645 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 00:41:38,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:41:38,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:41:38,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:41:38,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:41:38,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:41:38,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:41:38,677 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:41:38,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:41:38,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:41:38,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:41:38,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:41:38,684 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:41:38,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:41:38,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:41:38,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:41:38,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 00:41:38,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:41:38,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:41:38,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:41:38,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:41:38,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:41:38,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:41:38,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:41:38,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:41:38,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:41:38,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:41:38,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:41:38,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:41:38,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:41:38,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:41:38,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:41:38,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:41:38,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:41:38,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 00:41:38,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 00:41:38,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:41:38,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:41:38,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:41:38,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:41:38,693 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 [2024-10-14 00:41:38,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:41:38,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:41:38,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:41:38,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:41:38,985 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:41:38,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2024-10-14 00:41:40,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:41:40,588 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:41:40,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2024-10-14 00:41:40,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9144e41/8eb17a5e6bd54e0fb0a4b3f7f99d9abe/FLAG54de357b3 [2024-10-14 00:41:40,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9144e41/8eb17a5e6bd54e0fb0a4b3f7f99d9abe [2024-10-14 00:41:40,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:41:40,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:41:40,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:41:40,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:41:40,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:41:40,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:41:40" (1/1) ... [2024-10-14 00:41:40,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e5aad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:40, skipping insertion in model container [2024-10-14 00:41:40,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:41:40" (1/1) ... [2024-10-14 00:41:40,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:41:40,910 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2024-10-14 00:41:40,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:41:40,925 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:41:40,982 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2024-10-14 00:41:40,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:41:41,001 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:41:41,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41 WrapperNode [2024-10-14 00:41:41,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:41:41,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:41:41,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:41:41,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:41:41,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,061 INFO L138 Inliner]: procedures = 23, calls = 63, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 145 [2024-10-14 00:41:41,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:41:41,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:41:41,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:41:41,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:41:41,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,105 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 3, 2, 2, 3, 3]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 2, 1, 1, 2, 1]. [2024-10-14 00:41:41,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:41:41,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:41:41,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:41:41,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:41:41,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (1/1) ... [2024-10-14 00:41:41,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:41:41,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:41:41,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 00:41:41,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 00:41:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:41:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 00:41:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 00:41:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 00:41:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 00:41:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 00:41:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 00:41:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:41:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-10-14 00:41:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-10-14 00:41:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 00:41:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 00:41:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-14 00:41:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-14 00:41:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-14 00:41:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-14 00:41:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 00:41:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 00:41:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 00:41:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 00:41:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 00:41:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 00:41:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 00:41:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 00:41:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-14 00:41:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-14 00:41:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-14 00:41:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-14 00:41:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:41:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:41:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 00:41:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 00:41:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 00:41:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 00:41:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 00:41:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 00:41:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:41:41,399 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:41:41,401 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:41:41,925 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-10-14 00:41:41,926 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:41:41,962 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:41:41,966 INFO L314 CfgBuilder]: Removed 14 assume(true) statements. [2024-10-14 00:41:41,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:41:41 BoogieIcfgContainer [2024-10-14 00:41:41,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:41:41,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:41:41,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:41:41,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:41:41,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:41:40" (1/3) ... [2024-10-14 00:41:41,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71649b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:41:41, skipping insertion in model container [2024-10-14 00:41:41,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:41" (2/3) ... [2024-10-14 00:41:41,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71649b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:41:41, skipping insertion in model container [2024-10-14 00:41:41,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:41:41" (3/3) ... [2024-10-14 00:41:41,975 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2024-10-14 00:41:41,989 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:41:41,989 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:41:42,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:41:42,074 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;@67f11f46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:41:42,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:41:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 123 states have (on average 1.6260162601626016) internal successors, (200), 124 states have internal predecessors, (200), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:41:42,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 00:41:42,085 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:41:42,085 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:41:42,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:41:42,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:41:42,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2072267903, now seen corresponding path program 1 times [2024-10-14 00:41:42,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:41:42,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913216846] [2024-10-14 00:41:42,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:41:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:41:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:41:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:41:42,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:41:42,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913216846] [2024-10-14 00:41:42,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913216846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:41:42,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:41:42,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:41:42,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841395435] [2024-10-14 00:41:42,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:41:42,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:41:42,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:41:42,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:41:42,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:41:42,254 INFO L87 Difference]: Start difference. First operand has 128 states, 123 states have (on average 1.6260162601626016) internal successors, (200), 124 states have internal predecessors, (200), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-10-14 00:41:42,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:41:42,312 INFO L93 Difference]: Finished difference Result 255 states and 409 transitions. [2024-10-14 00:41:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:41:42,318 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 [2024-10-14 00:41:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:41:42,327 INFO L225 Difference]: With dead ends: 255 [2024-10-14 00:41:42,328 INFO L226 Difference]: Without dead ends: 126 [2024-10-14 00:41:42,333 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 [2024-10-14 00:41:42,336 INFO L432 NwaCegarLoop]: 184 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, 184 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 [2024-10-14 00:41:42,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 00:41:42,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-14 00:41:42,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-10-14 00:41:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 122 states have (on average 1.4918032786885247) internal successors, (182), 122 states have internal predecessors, (182), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:41:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 186 transitions. [2024-10-14 00:41:42,380 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 186 transitions. Word has length 9 [2024-10-14 00:41:42,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:41:42,381 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 186 transitions. [2024-10-14 00:41:42,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-10-14 00:41:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 186 transitions. [2024-10-14 00:41:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 00:41:42,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:41:42,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:41:42,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 00:41:42,383 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:41:42,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:41:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash -885750287, now seen corresponding path program 1 times [2024-10-14 00:41:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:41:42,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321019255] [2024-10-14 00:41:42,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:41:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:41:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:41:42,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 00:41:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:41:42,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 00:41:42,526 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 00:41:42,527 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:41:42,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 00:41:42,546 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 00:41:42,570 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 00:41:42,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:41:42 BoogieIcfgContainer [2024-10-14 00:41:42,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 00:41:42,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 00:41:42,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 00:41:42,575 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 00:41:42,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:41:41" (3/4) ... [2024-10-14 00:41:42,578 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 00:41:42,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 00:41:42,580 INFO L158 Benchmark]: Toolchain (without parser) took 1955.70ms. Allocated memory is still 153.1MB. Free memory was 77.4MB in the beginning and 116.0MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:41:42,581 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:41:42,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.48ms. Allocated memory is still 153.1MB. Free memory was 77.4MB in the beginning and 117.1MB in the end (delta: -39.7MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-10-14 00:41:42,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.55ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:41:42,584 INFO L158 Benchmark]: Boogie Preprocessor took 89.53ms. Allocated memory is still 153.1MB. Free memory was 115.0MB in the beginning and 110.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 00:41:42,585 INFO L158 Benchmark]: RCFGBuilder took 814.51ms. Allocated memory is still 153.1MB. Free memory was 110.1MB in the beginning and 91.6MB in the end (delta: 18.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-14 00:41:42,585 INFO L158 Benchmark]: TraceAbstraction took 605.47ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 116.9MB in the end (delta: -25.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-10-14 00:41:42,586 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 153.1MB. Free memory was 116.9MB in the beginning and 116.0MB in the end (delta: 883.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:41:42,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.48ms. Allocated memory is still 153.1MB. Free memory was 77.4MB in the beginning and 117.1MB in the end (delta: -39.7MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.55ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.53ms. Allocated memory is still 153.1MB. Free memory was 115.0MB in the beginning and 110.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 814.51ms. Allocated memory is still 153.1MB. Free memory was 110.1MB in the beginning and 91.6MB in the end (delta: 18.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 605.47ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 116.9MB in the end (delta: -25.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 153.1MB. Free memory was 116.9MB in the beginning and 116.0MB in the end (delta: 883.0kB). 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: 379]: 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 someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someUnaryDOUBLEoperation at line 287, overapproximation of someBinaryArithmeticDOUBLEoperation at line 324. Possible FailurePath: [L18] static const double huge_floor = 1.0e300; [L170] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L282-L295] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; [L374] double x = 1.0 / 0.0; [L375] CALL, EXPR __ieee754_acos(x) [L298] double z, p, q, r, w, s, c, df; [L299] __int32_t hx, ix; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L301] ieee_double_shape_type gh_u; [L302] gh_u.value = (x) [L303] EXPR gh_u.parts.msw [L303] (hx) = gh_u.parts.msw [L305] ix = hx & 0x7fffffff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1134559231, ix=1012924417, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L306] COND FALSE !(ix >= 0x3ff00000) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L321] COND TRUE ix < 0x3fe00000 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L322] COND FALSE !(ix <= 0x3c600000) [L324] z = x * x [L325-L328] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L329-L330] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L331] r = p / q [L332] return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1134559231, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L375] RET, EXPR __ieee754_acos(x) [L375] double res = __ieee754_acos(x); [L378] CALL, EXPR isnan_double(res) [L103] return x != x; [L378] RET, EXPR isnan_double(res) [L378] COND TRUE !isnan_double(res) [L379] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 184 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, 184 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=128occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2024-10-14 00:41:42,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:41:44,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:41:44,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 00:41:44,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:41:44,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:41:44,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:41:44,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:41:44,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:41:44,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:41:44,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:41:44,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:41:44,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:41:44,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:41:44,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:41:44,921 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:41:44,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:41:44,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:41:44,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:41:44,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:41:44,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:41:44,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:41:44,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:41:44,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:41:44,927 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 00:41:44,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 00:41:44,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:41:44,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 00:41:44,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:41:44,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:41:44,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:41:44,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:41:44,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:41:44,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:41:44,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:41:44,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:41:44,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:41:44,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:41:44,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:41:44,933 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 00:41:44,933 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 00:41:44,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:41:44,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:41:44,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:41:44,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:41:44,935 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 00:41:44,935 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 [2024-10-14 00:41:45,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:41:45,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:41:45,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:41:45,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:41:45,303 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:41:45,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2024-10-14 00:41:46,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:41:47,025 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:41:47,026 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2024-10-14 00:41:47,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5819f38ee/f3a38e573fe442b1a7c45b439223dd24/FLAGd5dc2d64e [2024-10-14 00:41:47,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5819f38ee/f3a38e573fe442b1a7c45b439223dd24 [2024-10-14 00:41:47,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:41:47,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:41:47,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:41:47,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:41:47,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:41:47,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:47,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e160e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47, skipping insertion in model container [2024-10-14 00:41:47,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:47,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:41:47,729 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2024-10-14 00:41:47,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:41:47,755 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:41:47,857 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c[9221,9234] [2024-10-14 00:41:47,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:41:47,884 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:41:47,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47 WrapperNode [2024-10-14 00:41:47,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:41:47,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:41:47,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:41:47,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:41:47,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:47,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:47,947 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 136 [2024-10-14 00:41:47,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:41:47,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:41:47,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:41:47,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:41:47,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:47,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:47,971 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,002 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 3, 2, 2, 3, 3]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 2, 1, 1, 2, 1]. [2024-10-14 00:41:48,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:41:48,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:41:48,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:41:48,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:41:48,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (1/1) ... [2024-10-14 00:41:48,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:41:48,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:41:48,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 00:41:48,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 00:41:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:41:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-14 00:41:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-14 00:41:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-14 00:41:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-14 00:41:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-14 00:41:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-14 00:41:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-14 00:41:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-14 00:41:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-14 00:41:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-14 00:41:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-14 00:41:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-14 00:41:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 00:41:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 00:41:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 00:41:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-14 00:41:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-14 00:41:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-14 00:41:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:41:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 00:41:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 00:41:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 00:41:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-14 00:41:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-14 00:41:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-14 00:41:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-10-14 00:41:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-10-14 00:41:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:41:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:41:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 00:41:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 00:41:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 00:41:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-14 00:41:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-14 00:41:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-14 00:41:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:41:48,231 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:41:48,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:42:11,864 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-10-14 00:42:11,865 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:42:11,904 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:42:11,904 INFO L314 CfgBuilder]: Removed 14 assume(true) statements. [2024-10-14 00:42:11,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:42:11 BoogieIcfgContainer [2024-10-14 00:42:11,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:42:11,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:42:11,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:42:11,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:42:11,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:41:47" (1/3) ... [2024-10-14 00:42:11,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e31975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:42:11, skipping insertion in model container [2024-10-14 00:42:11,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:47" (2/3) ... [2024-10-14 00:42:11,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e31975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:42:11, skipping insertion in model container [2024-10-14 00:42:11,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:42:11" (3/3) ... [2024-10-14 00:42:11,918 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2024-10-14 00:42:11,947 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:42:11,948 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:42:12,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:42:12,019 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;@3c77ce56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:42:12,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:42:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 61 states have (on average 1.6885245901639345) internal successors, (103), 62 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:42:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 00:42:12,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:42:12,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:42:12,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:42:12,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:42:12,039 INFO L85 PathProgramCache]: Analyzing trace with hash -837220108, now seen corresponding path program 1 times [2024-10-14 00:42:12,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:42:12,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893941537] [2024-10-14 00:42:12,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:42:12,049 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 [2024-10-14 00:42:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:42:12,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 00:42:12,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 00:42:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:42:12,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 00:42:12,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:42:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:42:12,777 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:42:12,777 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:42:12,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893941537] [2024-10-14 00:42:12,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893941537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:42:12,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:42:12,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:42:12,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215138483] [2024-10-14 00:42:12,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:42:12,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:42:12,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:42:12,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:42:12,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:42:12,808 INFO L87 Difference]: Start difference. First operand has 66 states, 61 states have (on average 1.6885245901639345) internal successors, (103), 62 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-10-14 00:42:13,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:42:13,198 INFO L93 Difference]: Finished difference Result 131 states and 215 transitions. [2024-10-14 00:42:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:42:13,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 [2024-10-14 00:42:13,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:42:13,209 INFO L225 Difference]: With dead ends: 131 [2024-10-14 00:42:13,210 INFO L226 Difference]: Without dead ends: 64 [2024-10-14 00:42:13,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:42:13,217 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 00:42:13,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 00:42:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-14 00:42:13,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-10-14 00:42:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 60 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:42:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 90 transitions. [2024-10-14 00:42:13,251 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 90 transitions. Word has length 9 [2024-10-14 00:42:13,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:42:13,252 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 90 transitions. [2024-10-14 00:42:13,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-10-14 00:42:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2024-10-14 00:42:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 00:42:13,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:42:13,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:42:13,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-14 00:42:13,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 00:42:13,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:42:13,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:42:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1467037855, now seen corresponding path program 1 times [2024-10-14 00:42:13,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:42:13,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769004635] [2024-10-14 00:42:13,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:42:13,456 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 [2024-10-14 00:42:13,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:42:13,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 00:42:13,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 00:42:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:42:13,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 00:42:13,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:42:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:42:16,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:42:16,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:42:16,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769004635] [2024-10-14 00:42:16,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769004635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:42:16,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:42:16,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 00:42:16,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557850031] [2024-10-14 00:42:16,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:42:16,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 00:42:16,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:42:16,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 00:42:16,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 00:42:16,776 INFO L87 Difference]: Start difference. First operand 64 states and 90 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:42:20,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:42:22,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:42:24,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:42:24,063 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2024-10-14 00:42:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 00:42:24,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-14 00:42:24,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:42:24,064 INFO L225 Difference]: With dead ends: 68 [2024-10-14 00:42:24,064 INFO L226 Difference]: Without dead ends: 12 [2024-10-14 00:42:24,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 00:42:24,066 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-10-14 00:42:24,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 11 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-10-14 00:42:24,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-14 00:42:24,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-14 00:42:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:42:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2024-10-14 00:42:24,070 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2024-10-14 00:42:24,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:42:24,070 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2024-10-14 00:42:24,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:42:24,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-10-14 00:42:24,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 00:42:24,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:42:24,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:42:24,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 00:42:24,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 00:42:24,272 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:42:24,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:42:24,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2022864754, now seen corresponding path program 1 times [2024-10-14 00:42:24,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:42:24,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820184936] [2024-10-14 00:42:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:42:24,274 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 [2024-10-14 00:42:24,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:42:24,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 00:42:24,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 00:42:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:42:24,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 00:42:24,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:42:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:42:29,140 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:42:29,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:42:29,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820184936] [2024-10-14 00:42:29,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820184936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:42:29,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:42:29,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 00:42:29,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34084832] [2024-10-14 00:42:29,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:42:29,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 00:42:29,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:42:29,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 00:42:29,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 00:42:29,142 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:42:33,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 00:42:34,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:42:34,612 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2024-10-14 00:42:34,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 00:42:34,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-14 00:42:34,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:42:34,613 INFO L225 Difference]: With dead ends: 12 [2024-10-14 00:42:34,613 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 00:42:34,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 00:42:34,615 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-14 00:42:34,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-10-14 00:42:34,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 00:42:34,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 00:42:34,616 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) [2024-10-14 00:42:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 00:42:34,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-10-14 00:42:34,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:42:34,617 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 00:42:34,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:42:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 00:42:34,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 00:42:34,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:42:34,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-14 00:42:34,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 00:42:34,825 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 00:42:34,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 00:42:38,396 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 00:42:38,411 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:42:38,412 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:42:38,412 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 00:42:38,413 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:42:38,414 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:42:38,414 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:42:38,414 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 00:42:38,414 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:42:38,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:42:38 BoogieIcfgContainer [2024-10-14 00:42:38,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 00:42:38,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 00:42:38,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 00:42:38,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 00:42:38,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:42:11" (3/4) ... [2024-10-14 00:42:38,422 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 00:42:38,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2024-10-14 00:42:38,436 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-14 00:42:38,439 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-14 00:42:38,439 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 00:42:38,440 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 00:42:38,596 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 00:42:38,597 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 00:42:38,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 00:42:38,598 INFO L158 Benchmark]: Toolchain (without parser) took 51199.61ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 38.2MB in the beginning and 45.6MB in the end (delta: -7.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-10-14 00:42:38,598 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 44.0MB. Free memory is still 20.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:42:38,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.66ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 38.0MB in the beginning and 46.9MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 00:42:38,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.81ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:42:38,599 INFO L158 Benchmark]: Boogie Preprocessor took 85.92ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 40.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 00:42:38,599 INFO L158 Benchmark]: RCFGBuilder took 23864.24ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 29.4MB in the end (delta: 10.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-10-14 00:42:38,600 INFO L158 Benchmark]: TraceAbstraction took 26509.76ms. Allocated memory is still 71.3MB. Free memory was 28.7MB in the beginning and 29.6MB in the end (delta: -896.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:42:38,600 INFO L158 Benchmark]: Witness Printer took 178.53ms. Allocated memory is still 71.3MB. Free memory was 29.6MB in the beginning and 45.6MB in the end (delta: -15.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 00:42:38,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 44.0MB. Free memory is still 20.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.66ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 38.0MB in the beginning and 46.9MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.81ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.92ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 40.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 23864.24ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 29.4MB in the end (delta: 10.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 26509.76ms. Allocated memory is still 71.3MB. Free memory was 28.7MB in the beginning and 29.6MB in the end (delta: -896.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 178.53ms. Allocated memory is still 71.3MB. Free memory was 29.6MB in the beginning and 45.6MB in the end (delta: -15.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 379]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 11.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 96 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 4 QuantifiedInterpolants, 204 SizeOfPredicates, 6 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 13 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: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 172]: Procedure Contract for __ieee754_sqrt Derived contract for procedure __ieee754_sqrt. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-14 00:42:38,818 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-10-14 00:42:38,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE