./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/float-newlib/float_req_bl_0270b.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 9cac107c363e3fd6d917de6ef8bceef6babf5688036a19c829686ca43ca0273d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 18:13:15,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 18:13:15,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 18:13:15,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 18:13:15,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 18:13:15,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 18:13:15,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 18:13:15,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 18:13:15,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 18:13:15,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 18:13:15,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 18:13:15,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 18:13:15,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 18:13:15,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 18:13:15,649 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 18:13:15,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 18:13:15,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 18:13:15,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 18:13:15,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 18:13:15,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 18:13:15,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 18:13:15,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 18:13:15,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 18:13:15,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 18:13:15,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 18:13:15,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 18:13:15,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 18:13:15,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 18:13:15,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 18:13:15,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 18:13:15,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 18:13:15,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 18:13:15,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:13:15,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 18:13:15,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 18:13:15,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 18:13:15,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 18:13:15,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 18:13:15,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 18:13:15,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 18:13:15,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 18:13:15,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 18:13:15,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cac107c363e3fd6d917de6ef8bceef6babf5688036a19c829686ca43ca0273d [2024-11-11 18:13:15,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 18:13:15,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 18:13:15,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 18:13:15,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 18:13:15,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 18:13:15,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2024-11-11 18:13:17,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 18:13:17,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 18:13:17,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2024-11-11 18:13:17,285 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7115a6a2c/4417baff3524493c9cfab784fd9f3379/FLAGfe4d6a2eb [2024-11-11 18:13:17,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7115a6a2c/4417baff3524493c9cfab784fd9f3379 [2024-11-11 18:13:17,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 18:13:17,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 18:13:17,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 18:13:17,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 18:13:17,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 18:13:17,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:17,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bebb5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17, skipping insertion in model container [2024-11-11 18:13:17,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:17,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 18:13:17,913 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2024-11-11 18:13:17,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:13:17,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 18:13:17,949 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2024-11-11 18:13:17,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:13:17,963 INFO L204 MainTranslator]: Completed translation [2024-11-11 18:13:17,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17 WrapperNode [2024-11-11 18:13:17,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 18:13:17,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 18:13:17,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 18:13:17,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 18:13:17,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:17,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,010 INFO L138 Inliner]: procedures = 19, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 282 [2024-11-11 18:13:18,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 18:13:18,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 18:13:18,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 18:13:18,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 18:13:18,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,026 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,054 INFO L175 MemorySlicer]: Split 18 memory accesses to 9 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2]. 11 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-11 18:13:18,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 18:13:18,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 18:13:18,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 18:13:18,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 18:13:18,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (1/1) ... [2024-11-11 18:13:18,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:13:18,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 18:13:18,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 18:13:18,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 18:13:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 18:13:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 18:13:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 18:13:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 18:13:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-11 18:13:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-11 18:13:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 18:13:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 18:13:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-11 18:13:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-11 18:13:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-11 18:13:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 18:13:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-11 18:13:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 18:13:18,262 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 18:13:18,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 18:13:18,525 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-11 18:13:18,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 18:13:18,538 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 18:13:18,539 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-11 18:13:18,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:13:18 BoogieIcfgContainer [2024-11-11 18:13:18,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 18:13:18,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 18:13:18,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 18:13:18,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 18:13:18,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:13:17" (1/3) ... [2024-11-11 18:13:18,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65575f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:13:18, skipping insertion in model container [2024-11-11 18:13:18,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:17" (2/3) ... [2024-11-11 18:13:18,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65575f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:13:18, skipping insertion in model container [2024-11-11 18:13:18,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:13:18" (3/3) ... [2024-11-11 18:13:18,547 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2024-11-11 18:13:18,560 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 18:13:18,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 18:13:18,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 18:13:18,624 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;@31081c68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 18:13:18,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 18:13:18,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 65 states have (on average 1.6615384615384616) internal successors, (108), 66 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:18,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-11 18:13:18,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:18,632 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:18,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:18,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:18,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1899745374, now seen corresponding path program 1 times [2024-11-11 18:13:18,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 18:13:18,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766423773] [2024-11-11 18:13:18,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:18,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 18:13:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:13:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:13:18,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 18:13:18,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766423773] [2024-11-11 18:13:18,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766423773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:13:18,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:13:18,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 18:13:18,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382336511] [2024-11-11 18:13:18,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:13:18,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 18:13:18,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 18:13:18,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 18:13:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 18:13:18,822 INFO L87 Difference]: Start difference. First operand has 67 states, 65 states have (on average 1.6615384615384616) internal successors, (108), 66 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2024-11-11 18:13:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:18,836 INFO L93 Difference]: Finished difference Result 132 states and 214 transitions. [2024-11-11 18:13:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 18:13:18,838 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 [2024-11-11 18:13:18,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:18,844 INFO L225 Difference]: With dead ends: 132 [2024-11-11 18:13:18,844 INFO L226 Difference]: Without dead ends: 64 [2024-11-11 18:13:18,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 18:13:18,848 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:18,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 18:13:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-11 18:13:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-11 18:13:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2024-11-11 18:13:18,875 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 9 [2024-11-11 18:13:18,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:18,875 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2024-11-11 18:13:18,876 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) [2024-11-11 18:13:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2024-11-11 18:13:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-11 18:13:18,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:18,877 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:18,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 18:13:18,878 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:18,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:18,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1488605439, now seen corresponding path program 1 times [2024-11-11 18:13:18,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 18:13:18,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70104649] [2024-11-11 18:13:18,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:18,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 18:13:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 18:13:18,927 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 18:13:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 18:13:18,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 18:13:18,984 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 18:13:18,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 18:13:18,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 18:13:18,991 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-11 18:13:19,013 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 18:13:19,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:13:19 BoogieIcfgContainer [2024-11-11 18:13:19,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 18:13:19,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 18:13:19,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 18:13:19,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 18:13:19,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:13:18" (3/4) ... [2024-11-11 18:13:19,020 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 18:13:19,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 18:13:19,022 INFO L158 Benchmark]: Toolchain (without parser) took 1340.62ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 100.9MB in the beginning and 158.8MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:13:19,022 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:13:19,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.29ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 119.5MB in the end (delta: -19.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-11 18:13:19,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.27ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 116.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 18:13:19,025 INFO L158 Benchmark]: Boogie Preprocessor took 77.22ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 112.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:19,026 INFO L158 Benchmark]: RCFGBuilder took 450.43ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 88.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:19,026 INFO L158 Benchmark]: TraceAbstraction took 475.74ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 87.6MB in the beginning and 158.8MB in the end (delta: -71.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:13:19,026 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 205.5MB. Free memory is still 158.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:13:19,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.29ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 119.5MB in the end (delta: -19.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.27ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 116.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.22ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 112.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 450.43ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 88.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 475.74ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 87.6MB in the beginning and 158.8MB in the end (delta: -71.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 205.5MB. Free memory is still 158.8MB. 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: 200]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of someUnaryFLOAToperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 130. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L195] float x = 0.0f; [L196] CALL, EXPR __ieee754_asinf(x) [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, hx=-1082130432, ix=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L128] COND TRUE ix == 0x3f800000 [L130] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, hx=-1082130432, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L196] RET, EXPR __ieee754_asinf(x) [L196] float res = __ieee754_asinf(x); [L199] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000009, tiny_sqrt=1/1000000000000000000000000000000] [L199] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L199] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L200] reach_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000009, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 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 [2024-11-11 18:13:19,057 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 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/11.0.12-open/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 ../sv-benchmarks/c/float-newlib/float_req_bl_0270b.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 9cac107c363e3fd6d917de6ef8bceef6babf5688036a19c829686ca43ca0273d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 18:13:20,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 18:13:20,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-11 18:13:20,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 18:13:20,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 18:13:20,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 18:13:20,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 18:13:20,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 18:13:20,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 18:13:20,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 18:13:20,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 18:13:20,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 18:13:20,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 18:13:20,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 18:13:20,981 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 18:13:20,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 18:13:20,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 18:13:20,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 18:13:20,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 18:13:20,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 18:13:20,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 18:13:20,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 18:13:20,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 18:13:20,986 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-11 18:13:20,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-11 18:13:20,986 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 18:13:20,986 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-11 18:13:20,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 18:13:20,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 18:13:20,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 18:13:20,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 18:13:20,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 18:13:20,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 18:13:20,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 18:13:20,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:13:20,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 18:13:20,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 18:13:20,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 18:13:20,988 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-11 18:13:20,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-11 18:13:20,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 18:13:20,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 18:13:20,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 18:13:20,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 18:13:20,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cac107c363e3fd6d917de6ef8bceef6babf5688036a19c829686ca43ca0273d [2024-11-11 18:13:21,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 18:13:21,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 18:13:21,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 18:13:21,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 18:13:21,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 18:13:21,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2024-11-11 18:13:22,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 18:13:22,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 18:13:22,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2024-11-11 18:13:22,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d147786c/180986680ba64a399cfeb9992c91f786/FLAGe922d8e9d [2024-11-11 18:13:23,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d147786c/180986680ba64a399cfeb9992c91f786 [2024-11-11 18:13:23,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 18:13:23,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 18:13:23,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 18:13:23,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 18:13:23,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 18:13:23,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbd1da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23, skipping insertion in model container [2024-11-11 18:13:23,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 18:13:23,366 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2024-11-11 18:13:23,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:13:23,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 18:13:23,436 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c[4700,4713] [2024-11-11 18:13:23,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:13:23,459 INFO L204 MainTranslator]: Completed translation [2024-11-11 18:13:23,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23 WrapperNode [2024-11-11 18:13:23,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 18:13:23,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 18:13:23,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 18:13:23,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 18:13:23,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,515 INFO L138 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 265 [2024-11-11 18:13:23,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 18:13:23,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 18:13:23,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 18:13:23,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 18:13:23,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,533 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,550 INFO L175 MemorySlicer]: Split 18 memory accesses to 9 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2]. 11 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-11 18:13:23,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 18:13:23,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 18:13:23,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 18:13:23,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 18:13:23,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (1/1) ... [2024-11-11 18:13:23,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:13:23,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 18:13:23,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 18:13:23,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 18:13:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 18:13:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-11 18:13:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-11 18:13:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-11 18:13:23,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-11 18:13:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-11 18:13:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-11 18:13:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-11 18:13:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-11 18:13:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-11 18:13:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 18:13:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-11 18:13:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-11 18:13:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-11 18:13:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-11 18:13:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-11 18:13:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-11 18:13:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-11 18:13:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-11 18:13:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 18:13:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-11 18:13:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-11 18:13:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 18:13:23,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 18:13:23,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 18:13:41,976 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-11 18:13:41,976 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 18:13:41,988 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 18:13:41,989 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-11 18:13:41,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:13:41 BoogieIcfgContainer [2024-11-11 18:13:41,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 18:13:41,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 18:13:41,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 18:13:41,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 18:13:41,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:13:23" (1/3) ... [2024-11-11 18:13:41,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af60bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:13:41, skipping insertion in model container [2024-11-11 18:13:41,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:13:23" (2/3) ... [2024-11-11 18:13:41,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af60bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:13:41, skipping insertion in model container [2024-11-11 18:13:41,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:13:41" (3/3) ... [2024-11-11 18:13:41,995 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2024-11-11 18:13:42,007 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 18:13:42,008 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 18:13:42,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 18:13:42,051 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;@3cd7a90d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 18:13:42,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 18:13:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-11 18:13:42,058 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:42,058 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:42,058 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:42,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:42,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2024-11-11 18:13:42,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:13:42,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438102099] [2024-11-11 18:13:42,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:42,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:42,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:13:42,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:13:42,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-11 18:13:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:13:42,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-11 18:13:42,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:13:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:13:42,529 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:13:42,530 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:13:42,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438102099] [2024-11-11 18:13:42,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438102099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:13:42,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:13:42,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 18:13:42,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144543073] [2024-11-11 18:13:42,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:13:42,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 18:13:42,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:13:42,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 18:13:42,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 18:13:42,570 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.6724137931034482) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2024-11-11 18:13:42,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:42,584 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2024-11-11 18:13:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 18:13:42,586 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 [2024-11-11 18:13:42,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:42,593 INFO L225 Difference]: With dead ends: 118 [2024-11-11 18:13:42,593 INFO L226 Difference]: Without dead ends: 57 [2024-11-11 18:13:42,595 INFO L434 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 [2024-11-11 18:13:42,597 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:42,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 18:13:42,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-11 18:13:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-11 18:13:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2024-11-11 18:13:42,628 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2024-11-11 18:13:42,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:42,629 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2024-11-11 18:13:42,629 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) [2024-11-11 18:13:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2024-11-11 18:13:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-11 18:13:42,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:42,631 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:42,649 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 [2024-11-11 18:13:42,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:42,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:42,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:42,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2024-11-11 18:13:42,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:13:42,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173454805] [2024-11-11 18:13:42,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:42,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:42,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:13:42,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:13:42,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-11 18:13:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:13:43,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-11 18:13:43,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:13:43,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-11 18:13:43,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-11 18:13:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:13:43,973 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:13:43,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:13:43,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173454805] [2024-11-11 18:13:43,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173454805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:13:43,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:13:43,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 18:13:43,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879100666] [2024-11-11 18:13:43,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:13:43,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 18:13:43,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:13:43,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 18:13:43,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 18:13:43,977 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:45,710 INFO L93 Difference]: Finished difference Result 105 states and 136 transitions. [2024-11-11 18:13:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 18:13:45,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-11 18:13:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:45,712 INFO L225 Difference]: With dead ends: 105 [2024-11-11 18:13:45,712 INFO L226 Difference]: Without dead ends: 58 [2024-11-11 18:13:45,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-11 18:13:45,714 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 111 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:45,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 137 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 18:13:45,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-11 18:13:45,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2024-11-11 18:13:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2024-11-11 18:13:45,726 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2024-11-11 18:13:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:45,727 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2024-11-11 18:13:45,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:45,727 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2024-11-11 18:13:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-11 18:13:45,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:45,727 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:45,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-11 18:13:45,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:45,930 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:45,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:45,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2024-11-11 18:13:45,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:13:45,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562268343] [2024-11-11 18:13:45,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:45,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:45,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:13:45,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:13:45,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-11 18:13:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:13:46,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-11 18:13:46,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:13:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:13:46,960 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:13:46,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:13:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562268343] [2024-11-11 18:13:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562268343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:13:46,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:13:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 18:13:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010879315] [2024-11-11 18:13:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:13:46,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 18:13:46,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:13:46,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 18:13:46,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 18:13:46,962 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:47,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:47,520 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-11 18:13:47,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 18:13:47,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2024-11-11 18:13:47,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:47,522 INFO L225 Difference]: With dead ends: 62 [2024-11-11 18:13:47,522 INFO L226 Difference]: Without dead ends: 59 [2024-11-11 18:13:47,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 18:13:47,523 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 1 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:47,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 239 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-11 18:13:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-11 18:13:47,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-11 18:13:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2024-11-11 18:13:47,529 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2024-11-11 18:13:47,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:47,529 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2024-11-11 18:13:47,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2024-11-11 18:13:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-11 18:13:47,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:47,529 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:47,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-11 18:13:47,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:47,730 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:47,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:47,731 INFO L85 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2024-11-11 18:13:47,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:13:47,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501635339] [2024-11-11 18:13:47,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:47,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:47,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:13:47,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:13:47,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-11 18:13:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:13:48,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-11 18:13:48,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:13:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:13:49,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:13:49,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:13:49,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501635339] [2024-11-11 18:13:49,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501635339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:13:49,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:13:49,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 18:13:49,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844077556] [2024-11-11 18:13:49,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:13:49,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 18:13:49,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:13:49,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 18:13:49,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 18:13:49,786 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:51,633 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-11 18:13:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 18:13:51,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-11 18:13:51,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:51,634 INFO L225 Difference]: With dead ends: 66 [2024-11-11 18:13:51,635 INFO L226 Difference]: Without dead ends: 57 [2024-11-11 18:13:51,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-11 18:13:51,635 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 4 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:51,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 468 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 18:13:51,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-11 18:13:51,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-11 18:13:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 56 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2024-11-11 18:13:51,641 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2024-11-11 18:13:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:51,641 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2024-11-11 18:13:51,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2024-11-11 18:13:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-11 18:13:51,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:51,642 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:51,657 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 (5)] Forceful destruction successful, exit code 0 [2024-11-11 18:13:51,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:51,843 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:51,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:51,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2024-11-11 18:13:51,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:13:51,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649248956] [2024-11-11 18:13:51,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:13:51,854 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 18:13:51,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-11 18:13:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:13:53,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-11 18:13:53,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:13:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:13:54,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:13:54,793 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:13:54,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649248956] [2024-11-11 18:13:54,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649248956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:13:54,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:13:54,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 18:13:54,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980272192] [2024-11-11 18:13:54,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:13:54,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 18:13:54,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:13:54,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 18:13:54,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-11 18:13:54,794 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:54,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:54,834 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2024-11-11 18:13:54,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 18:13:54,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2024-11-11 18:13:54,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:54,836 INFO L225 Difference]: With dead ends: 57 [2024-11-11 18:13:54,836 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 18:13:54,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-11 18:13:54,837 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:54,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 18:13:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 18:13:54,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 18:13:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 18:13:54,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-11 18:13:54,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:54,838 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 18:13:54,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:54,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 18:13:54,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 18:13:54,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 18:13:54,891 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 (6)] Forceful destruction successful, exit code 0 [2024-11-11 18:13:55,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 18:13:55,044 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-11 18:13:55,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 18:13:55,381 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 18:13:55,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:13:55 BoogieIcfgContainer [2024-11-11 18:13:55,394 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 18:13:55,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 18:13:55,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 18:13:55,395 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 18:13:55,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:13:41" (3/4) ... [2024-11-11 18:13:55,397 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 18:13:55,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-11 18:13:55,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-11 18:13:55,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-11 18:13:55,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 18:13:55,480 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 18:13:55,481 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 18:13:55,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 18:13:55,481 INFO L158 Benchmark]: Toolchain (without parser) took 32370.30ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 42.1MB in the beginning and 51.4MB in the end (delta: -9.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-11 18:13:55,482 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:13:55,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.84ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 49.2MB in the end (delta: -7.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-11 18:13:55,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.80ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 46.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 18:13:55,482 INFO L158 Benchmark]: Boogie Preprocessor took 75.01ms. Allocated memory is still 77.6MB. Free memory was 46.7MB in the beginning and 42.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:55,483 INFO L158 Benchmark]: RCFGBuilder took 18397.35ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 42.1MB in the beginning and 63.3MB in the end (delta: -21.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-11 18:13:55,483 INFO L158 Benchmark]: TraceAbstraction took 13403.21ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 57.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-11 18:13:55,483 INFO L158 Benchmark]: Witness Printer took 86.69ms. Allocated memory is still 102.8MB. Free memory was 56.3MB in the beginning and 51.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:55,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.84ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 49.2MB in the end (delta: -7.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.80ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 46.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.01ms. Allocated memory is still 77.6MB. Free memory was 46.7MB in the beginning and 42.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 18397.35ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 42.1MB in the beginning and 63.3MB in the end (delta: -21.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13403.21ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 57.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 86.69ms. Allocated memory is still 102.8MB. Free memory was 56.3MB in the beginning and 51.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 200]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 930 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 663 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 267 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 1 QuantifiedInterpolants, 347 SizeOfPredicates, 10 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-11 18:13:55,629 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 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE