./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/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_1011a.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.graphml --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 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:48:28,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:48:28,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:48:28,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:48:28,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:48:28,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:48:28,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:48:28,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:48:28,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:48:28,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:48:28,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:48:28,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:48:28,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:48:28,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:48:28,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:48:28,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:48:28,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:48:28,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:48:28,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:48:28,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:48:28,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:48:28,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:48:28,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:48:28,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:48:28,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:48:28,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:48:28,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:48:28,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:48:28,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:48:28,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:48:28,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:48:28,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:48:28,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:48:28,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:48:28,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:48:28,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:48:28,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:48:28,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:48:28,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:48:28,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:48:28,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:48:28,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 23:48:28,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:48:28,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:48:28,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:48:28,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:48:28,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:48:28,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:48:28,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:48:28,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:48:28,320 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:48:28,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:48:28,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:48:28,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 23:48:28,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:48:28,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:48:28,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:48:28,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:48:28,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:48:28,322 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:48:28,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:48:28,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:48:28,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:48:28,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:48:28,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:48:28,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:48:28,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:48:28,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:48:28,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:48:28,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:48:28,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 23:48:28,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 23:48:28,325 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:48:28,325 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:48:28,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:48:28,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:48:28,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 [2021-12-15 23:48:28,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:48:28,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:48:28,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:48:28,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:48:28,590 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:48:28,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2021-12-15 23:48:28,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd1393483/2095288932ad4016b14d9192954908de/FLAG8438dde27 [2021-12-15 23:48:29,055 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:48:29,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2021-12-15 23:48:29,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd1393483/2095288932ad4016b14d9192954908de/FLAG8438dde27 [2021-12-15 23:48:29,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd1393483/2095288932ad4016b14d9192954908de [2021-12-15 23:48:29,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:48:29,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:48:29,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:48:29,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:48:29,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:48:29,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19baf628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29, skipping insertion in model container [2021-12-15 23:48:29,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:48:29,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:48:29,649 WARN L230 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_1011a.c[1145,1158] [2021-12-15 23:48:29,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:48:29,658 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 23:48:29,673 WARN L230 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_1011a.c[1145,1158] [2021-12-15 23:48:29,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:48:29,686 INFO L208 MainTranslator]: Completed translation [2021-12-15 23:48:29,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29 WrapperNode [2021-12-15 23:48:29,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:48:29,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 23:48:29,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 23:48:29,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 23:48:29,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,723 INFO L137 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-12-15 23:48:29,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 23:48:29,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 23:48:29,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 23:48:29,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 23:48:29,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 23:48:29,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 23:48:29,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 23:48:29,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 23:48:29,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (1/1) ... [2021-12-15 23:48:29,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:48:29,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 23:48:29,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 23:48:29,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 23:48:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 23:48:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 23:48:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 23:48:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 23:48:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 23:48:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-15 23:48:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 23:48:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 23:48:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 23:48:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 23:48:29,860 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 23:48:29,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 23:48:29,970 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 23:48:29,975 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 23:48:29,976 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 23:48:29,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:48:29 BoogieIcfgContainer [2021-12-15 23:48:29,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 23:48:29,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 23:48:29,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 23:48:29,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 23:48:29,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:48:29" (1/3) ... [2021-12-15 23:48:30,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5352f07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:48:30, skipping insertion in model container [2021-12-15 23:48:30,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:29" (2/3) ... [2021-12-15 23:48:30,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5352f07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:48:30, skipping insertion in model container [2021-12-15 23:48:30,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:48:29" (3/3) ... [2021-12-15 23:48:30,002 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1011a.c [2021-12-15 23:48:30,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 23:48:30,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 23:48:30,044 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 23:48:30,050 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 23:48:30,050 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 23:48:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-12-15 23:48:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-15 23:48:30,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:48:30,067 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:48:30,068 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:48:30,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:48:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2021-12-15 23:48:30,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 23:48:30,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96123615] [2021-12-15 23:48:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:48:30,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 23:48:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:48:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:48:30,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 23:48:30,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96123615] [2021-12-15 23:48:30,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96123615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:48:30,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:48:30,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 23:48:30,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683046611] [2021-12-15 23:48:30,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:48:30,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 23:48:30,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 23:48:30,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 23:48:30,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:48:30,243 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-12-15 23:48:30,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:48:30,256 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2021-12-15 23:48:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 23:48:30,258 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 [2021-12-15 23:48:30,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:48:30,264 INFO L225 Difference]: With dead ends: 36 [2021-12-15 23:48:30,264 INFO L226 Difference]: Without dead ends: 16 [2021-12-15 23:48:30,267 INFO L932 BasicCegarLoop]: 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 [2021-12-15 23:48:30,270 INFO L933 BasicCegarLoop]: 19 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, 19 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 [2021-12-15 23:48:30,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 23:48:30,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-15 23:48:30,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-15 23:48:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-12-15 23:48:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-12-15 23:48:30,298 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2021-12-15 23:48:30,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:48:30,298 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-12-15 23:48:30,298 INFO L471 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) [2021-12-15 23:48:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-12-15 23:48:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 23:48:30,299 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:48:30,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:48:30,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 23:48:30,300 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:48:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:48:30,301 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2021-12-15 23:48:30,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 23:48:30,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302255483] [2021-12-15 23:48:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:48:30,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 23:48:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:48:30,333 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 23:48:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:48:30,365 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 23:48:30,366 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 23:48:30,367 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 23:48:30,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 23:48:30,372 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-15 23:48:30,375 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 23:48:30,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:48:30 BoogieIcfgContainer [2021-12-15 23:48:30,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 23:48:30,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 23:48:30,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 23:48:30,415 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 23:48:30,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:48:29" (3/4) ... [2021-12-15 23:48:30,418 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 23:48:30,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 23:48:30,420 INFO L158 Benchmark]: Toolchain (without parser) took 936.39ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 46.7MB in the end (delta: 11.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-12-15 23:48:30,420 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:48:30,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 57.9MB in the beginning and 83.9MB in the end (delta: -26.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 23:48:30,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.94ms. Allocated memory is still 107.0MB. Free memory was 83.9MB in the beginning and 82.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:48:30,427 INFO L158 Benchmark]: Boogie Preprocessor took 20.77ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:48:30,427 INFO L158 Benchmark]: RCFGBuilder took 231.89ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 70.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 23:48:30,430 INFO L158 Benchmark]: TraceAbstraction took 433.80ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 46.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 23:48:30,431 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 107.0MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:48:30,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 57.9MB in the beginning and 83.9MB in the end (delta: -26.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.94ms. Allocated memory is still 107.0MB. Free memory was 83.9MB in the beginning and 82.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.77ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 231.89ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 70.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 433.80ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 46.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 107.0MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 52]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L47] float x = 0.0f; [L48] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; VAL [\old(x)=0, x=0] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type sf_u; [L23] sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] (x) = sf_u.value [L26] return x; VAL [\old(x)=0, \result=49, ix=50, x=49] [L48] RET, EXPR fabs_float(x) [L48] float res = fabs_float(x); [L51] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=49, res == 0.0f && __signbit_float(res) == 0=0, x=0] [L51] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L52] reach_error() VAL [res=49, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 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, 19 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=19occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 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 [2021-12-15 23:48:30,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: /usr/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_1011a.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.graphml --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 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:48:32,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:48:32,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:48:32,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:48:32,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:48:32,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:48:32,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:48:32,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:48:32,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:48:32,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:48:32,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:48:32,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:48:32,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:48:32,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:48:32,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:48:32,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:48:32,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:48:32,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:48:32,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:48:32,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:48:32,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:48:32,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:48:32,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:48:32,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:48:32,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:48:32,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:48:32,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:48:32,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:48:32,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:48:32,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:48:32,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:48:32,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:48:32,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:48:32,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:48:32,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:48:32,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:48:32,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:48:32,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:48:32,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:48:32,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:48:32,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:48:32,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 23:48:32,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:48:32,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:48:32,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:48:32,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:48:32,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:48:32,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:48:32,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:48:32,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:48:32,671 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:48:32,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:48:32,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:48:32,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:48:32,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:48:32,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:48:32,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:48:32,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:48:32,673 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 23:48:32,673 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 23:48:32,673 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 23:48:32,674 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:48:32,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:48:32,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:48:32,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:48:32,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:48:32,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:48:32,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:48:32,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:48:32,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:48:32,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:48:32,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:48:32,676 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 23:48:32,676 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 23:48:32,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:48:32,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:48:32,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:48:32,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:48:32,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 23:48:32,678 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 [2021-12-15 23:48:32,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:48:33,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:48:33,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:48:33,041 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:48:33,042 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:48:33,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2021-12-15 23:48:33,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4531ebc/2604b9ff761f46cdaaa0f6059cb8368c/FLAGc0730d683 [2021-12-15 23:48:33,566 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:48:33,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2021-12-15 23:48:33,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4531ebc/2604b9ff761f46cdaaa0f6059cb8368c/FLAGc0730d683 [2021-12-15 23:48:33,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4531ebc/2604b9ff761f46cdaaa0f6059cb8368c [2021-12-15 23:48:33,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:48:33,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:48:33,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:48:33,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:48:33,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:48:33,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c118004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33, skipping insertion in model container [2021-12-15 23:48:33,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:48:33,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:48:33,768 WARN L230 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_1011a.c[1145,1158] [2021-12-15 23:48:33,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:48:33,780 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 23:48:33,814 WARN L230 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_1011a.c[1145,1158] [2021-12-15 23:48:33,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:48:33,828 INFO L208 MainTranslator]: Completed translation [2021-12-15 23:48:33,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33 WrapperNode [2021-12-15 23:48:33,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:48:33,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 23:48:33,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 23:48:33,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 23:48:33,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,865 INFO L137 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-12-15 23:48:33,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 23:48:33,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 23:48:33,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 23:48:33,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 23:48:33,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 23:48:33,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 23:48:33,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 23:48:33,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 23:48:33,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (1/1) ... [2021-12-15 23:48:33,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:48:33,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 23:48:33,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 23:48:33,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 23:48:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 23:48:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 23:48:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 23:48:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-15 23:48:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 23:48:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 23:48:33,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 23:48:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-15 23:48:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 23:48:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 23:48:34,070 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 23:48:34,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 23:48:34,193 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 23:48:34,198 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 23:48:34,198 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 23:48:34,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:48:34 BoogieIcfgContainer [2021-12-15 23:48:34,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 23:48:34,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 23:48:34,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 23:48:34,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 23:48:34,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:48:33" (1/3) ... [2021-12-15 23:48:34,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ea0a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:48:34, skipping insertion in model container [2021-12-15 23:48:34,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:48:33" (2/3) ... [2021-12-15 23:48:34,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ea0a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:48:34, skipping insertion in model container [2021-12-15 23:48:34,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:48:34" (3/3) ... [2021-12-15 23:48:34,213 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1011a.c [2021-12-15 23:48:34,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 23:48:34,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 23:48:34,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 23:48:34,317 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 23:48:34,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 23:48:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-12-15 23:48:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-15 23:48:34,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:48:34,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:48:34,352 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:48:34,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:48:34,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2021-12-15 23:48:34,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:48:34,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173431144] [2021-12-15 23:48:34,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:48:34,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:48:34,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:48:34,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:48:34,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 23:48:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:48:34,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-15 23:48:34,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:48:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:48:34,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:48:34,515 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:48:34,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173431144] [2021-12-15 23:48:34,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173431144] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:48:34,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:48:34,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 23:48:34,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7669301] [2021-12-15 23:48:34,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:48:34,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 23:48:34,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:48:34,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 23:48:34,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:48:34,562 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-12-15 23:48:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:48:34,581 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2021-12-15 23:48:34,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 23:48:34,584 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 [2021-12-15 23:48:34,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:48:34,590 INFO L225 Difference]: With dead ends: 36 [2021-12-15 23:48:34,591 INFO L226 Difference]: Without dead ends: 16 [2021-12-15 23:48:34,604 INFO L932 BasicCegarLoop]: 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 [2021-12-15 23:48:34,609 INFO L933 BasicCegarLoop]: 19 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, 19 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 [2021-12-15 23:48:34,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 23:48:34,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-15 23:48:34,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-15 23:48:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-12-15 23:48:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-12-15 23:48:34,644 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2021-12-15 23:48:34,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:48:34,645 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-12-15 23:48:34,646 INFO L471 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) [2021-12-15 23:48:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-12-15 23:48:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 23:48:34,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:48:34,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:48:34,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 23:48:34,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:48:34,860 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:48:34,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:48:34,861 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2021-12-15 23:48:34,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:48:34,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741516997] [2021-12-15 23:48:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:48:34,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:48:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:48:34,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:48:34,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-15 23:48:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:48:34,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-15 23:48:34,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:48:35,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-15 23:48:35,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 25 [2021-12-15 23:48:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:48:35,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:48:35,183 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:48:35,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741516997] [2021-12-15 23:48:35,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741516997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:48:35,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:48:35,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 23:48:35,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414350395] [2021-12-15 23:48:35,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:48:35,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 23:48:35,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:48:35,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 23:48:35,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-15 23:48:35,186 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:48:35,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:48:35,258 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-12-15 23:48:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-15 23:48:35,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-15 23:48:35,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:48:35,259 INFO L225 Difference]: With dead ends: 19 [2021-12-15 23:48:35,260 INFO L226 Difference]: Without dead ends: 16 [2021-12-15 23:48:35,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-15 23:48:35,261 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 23 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:48:35,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 24 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2021-12-15 23:48:35,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-15 23:48:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-15 23:48:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:48:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2021-12-15 23:48:35,266 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2021-12-15 23:48:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:48:35,266 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2021-12-15 23:48:35,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:48:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-12-15 23:48:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 23:48:35,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:48:35,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 23:48:35,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-15 23:48:35,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:48:35,478 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:48:35,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:48:35,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2021-12-15 23:48:35,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:48:35,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815838250] [2021-12-15 23:48:35,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:48:35,480 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:48:35,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:48:35,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 23:48:35,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-15 23:48:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:48:35,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-15 23:48:35,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:48:35,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-15 23:48:35,690 INFO L354 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2021-12-15 23:48:35,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2021-12-15 23:48:35,990 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-15 23:48:35,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 30 [2021-12-15 23:48:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:48:36,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:48:36,258 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:48:36,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815838250] [2021-12-15 23:48:36,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815838250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:48:36,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:48:36,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-15 23:48:36,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357040302] [2021-12-15 23:48:36,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:48:36,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-15 23:48:36,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:48:36,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-15 23:48:36,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-15 23:48:36,267 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:48:36,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:48:36,322 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2021-12-15 23:48:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-15 23:48:36,322 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-12-15 23:48:36,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:48:36,322 INFO L225 Difference]: With dead ends: 16 [2021-12-15 23:48:36,323 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 23:48:36,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-15 23:48:36,324 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:48:36,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 32 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2021-12-15 23:48:36,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 23:48:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 23:48:36,325 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) [2021-12-15 23:48:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 23:48:36,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-12-15 23:48:36,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:48:36,326 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 23:48:36,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:48:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 23:48:36,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 23:48:36,330 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 23:48:36,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-15 23:48:36,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:48:36,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 23:48:36,585 INFO L861 garLoopResultBuilder]: At program point L56(lines 41 57) the Hoare annotation is: true [2021-12-15 23:48:36,586 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-15 23:48:36,586 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 23:48:36,586 INFO L858 garLoopResultBuilder]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2021-12-15 23:48:36,586 INFO L854 garLoopResultBuilder]: At program point L32-2(lines 32 36) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8| (_ BitVec 32)) (|v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8|) (_ bv0 32))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8|) (_ bv0 32)))) (and (= .cse0 (bvand (_ bv2147483647 32) .cse1)) (= |ULTIMATE.start___signbit_float_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (_ +zero 8 24))))) (= |ULTIMATE.start_fabs_float_#res#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short9#1| (= |ULTIMATE.start_fabs_float_~x#1| (_ +zero 8 24))) [2021-12-15 23:48:36,586 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 23:48:36,586 INFO L858 garLoopResultBuilder]: For program point L32-3(lines 32 36) no Hoare annotation was computed. [2021-12-15 23:48:36,586 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 23:48:36,587 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2021-12-15 23:48:36,587 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-12-15 23:48:36,587 INFO L854 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: (= |ULTIMATE.start_fabs_float_~x#1| (_ +zero 8 24)) [2021-12-15 23:48:36,587 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 23:48:36,587 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-12-15 23:48:36,587 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-12-15 23:48:36,587 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-12-15 23:48:36,588 INFO L854 garLoopResultBuilder]: At program point L38(lines 29 39) the Hoare annotation is: (and (exists ((|ULTIMATE.start___signbit_float_~w~0#1| (_ BitVec 32))) (and (let ((.cse0 (= (_ bv0 32) (bvand (_ bv2147483648 32) |ULTIMATE.start___signbit_float_~w~0#1|)))) (or (and (not .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32))) (and .cse0 (= |ULTIMATE.start___signbit_float_#res#1| (_ bv0 32))))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)) (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|)) (let ((.cse1 (bvand (_ bv2147483647 32) v_arrayElimCell_4))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))))) (= |ULTIMATE.start_fabs_float_#res#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short9#1| (= |ULTIMATE.start_fabs_float_~x#1| (_ +zero 8 24))) [2021-12-15 23:48:36,588 INFO L854 garLoopResultBuilder]: At program point L26(lines 14 27) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8| (_ BitVec 32)) (|v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8|) (_ bv0 32))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8|) (_ bv0 32)))) (and (= .cse0 (bvand (_ bv2147483647 32) .cse1)) (= |ULTIMATE.start_fabs_float_#res#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (_ +zero 8 24))))) (= |ULTIMATE.start_fabs_float_~x#1| (_ +zero 8 24))) [2021-12-15 23:48:36,588 INFO L858 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2021-12-15 23:48:36,588 INFO L858 garLoopResultBuilder]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2021-12-15 23:48:36,591 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-15 23:48:36,592 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 23:48:36,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,613 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,625 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,625 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,632 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:48:36 BoogieIcfgContainer [2021-12-15 23:48:36,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 23:48:36,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 23:48:36,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 23:48:36,639 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 23:48:36,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:48:34" (3/4) ... [2021-12-15 23:48:36,642 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 23:48:36,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-15 23:48:36,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 23:48:36,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 23:48:36,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 23:48:36,683 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 23:48:36,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 23:48:36,688 INFO L158 Benchmark]: Toolchain (without parser) took 3076.84ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 42.0MB in the beginning and 37.1MB in the end (delta: 4.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-12-15 23:48:36,689 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:48:36,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.91ms. Allocated memory is still 56.6MB. Free memory was 41.9MB in the beginning and 39.1MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 23:48:36,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.95ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 37.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:48:36,690 INFO L158 Benchmark]: Boogie Preprocessor took 26.61ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 35.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:48:36,690 INFO L158 Benchmark]: RCFGBuilder took 305.75ms. Allocated memory is still 56.6MB. Free memory was 35.8MB in the beginning and 25.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 23:48:36,690 INFO L158 Benchmark]: TraceAbstraction took 2430.47ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 39.9MB in the beginning and 39.4MB in the end (delta: 536.2kB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-12-15 23:48:36,690 INFO L158 Benchmark]: Witness Printer took 45.06ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 37.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:48:36,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.91ms. Allocated memory is still 56.6MB. Free memory was 41.9MB in the beginning and 39.1MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.95ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 37.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.61ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 35.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.75ms. Allocated memory is still 56.6MB. Free memory was 35.8MB in the beginning and 25.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2430.47ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 39.9MB in the beginning and 39.4MB in the end (delta: 536.2kB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 45.06ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 37.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 52]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 28 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 34 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 192 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 12 QuantifiedInterpolants, 553 SizeOfPredicates, 21 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant [2021-12-15 23:48:36,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,707 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,709 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,709 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] Derived loop invariant: (((\exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8 : bv32, v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32] == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32]) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32][22:0]) == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant [2021-12-15 23:48:36,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,710 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,711 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] [2021-12-15 23:48:36,712 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8 : bv32, v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32] == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32]) && \result == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][22:0])) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_8][0bv32][22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 29]: Loop Invariant [2021-12-15 23:48:36,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-15 23:48:36,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2021-12-15 23:48:36,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start___signbit_float_~w~0#1 : bv32 :: ((!(0bv32 == ~bvand32(2147483648bv32, ULTIMATE.start___signbit_float_~w~0#1)) && \result == 1bv32) || (0bv32 == ~bvand32(2147483648bv32, ULTIMATE.start___signbit_float_~w~0#1) && \result == 0bv32)) && (\exists v_arrayElimCell_4 : bv32 :: ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]) == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(ULTIMATE.start___signbit_float_~w~0#1[31:31], ULTIMATE.start___signbit_float_~w~0#1[30:23], ULTIMATE.start___signbit_float_~w~0#1[22:0]) == ~fp~LONGDOUBLE(~bvand32(2147483647bv32, v_arrayElimCell_4)[31:31], ~bvand32(2147483647bv32, v_arrayElimCell_4)[30:23], ~bvand32(2147483647bv32, v_arrayElimCell_4)[22:0]))) && \result == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && x == ~Pluszero~LONGDOUBLE() RESULT: Ultimate proved your program to be correct! [2021-12-15 23:48:36,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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