./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/double_req_bl_0661a.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 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:31:10,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:31:10,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:31:10,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:31:10,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:31:10,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:31:10,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:31:10,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:31:10,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:31:10,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:31:10,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:31:10,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:31:10,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:31:10,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:31:10,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:31:10,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:31:10,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:31:10,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:31:10,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:31:10,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:31:10,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:31:10,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:31:10,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:31:10,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:31:10,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:31:10,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:31:10,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:31:10,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:31:10,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:31:10,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:31:10,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:31:10,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:31:10,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:31:10,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:31:10,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:31:10,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:31:10,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:31:10,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:31:10,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:31:10,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:31:10,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:31:10,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:31:10,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:31:10,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:31:10,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:31:10,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:31:10,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:31:10,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:31:10,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:31:10,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:31:10,303 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:31:10,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:31:10,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:31:10,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:31:10,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:31:10,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:31:10,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:31:10,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:31:10,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:31:10,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:31:10,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:31:10,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:31:10,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:31:10,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:31:10,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:31:10,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:31:10,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:10,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:31:10,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:31:10,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:31:10,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:31:10,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:31:10,309 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:31:10,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:31:10,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:31:10,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d [2022-02-20 16:31:10,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:31:10,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:31:10,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:31:10,515 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:31:10,515 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:31:10,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2022-02-20 16:31:10,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7159f4ead/6cf8f5ad1ae445c9988c6b16658a5ff8/FLAG2ce57ad0f [2022-02-20 16:31:10,960 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:31:10,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2022-02-20 16:31:10,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7159f4ead/6cf8f5ad1ae445c9988c6b16658a5ff8/FLAG2ce57ad0f [2022-02-20 16:31:10,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7159f4ead/6cf8f5ad1ae445c9988c6b16658a5ff8 [2022-02-20 16:31:10,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:31:10,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:31:10,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:10,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:31:10,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:31:10,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:10" (1/1) ... [2022-02-20 16:31:10,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b40019d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:10, skipping insertion in model container [2022-02-20 16:31:10,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:10" (1/1) ... [2022-02-20 16:31:11,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:31:11,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:31:11,267 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/double_req_bl_0661a.c[6446,6459] [2022-02-20 16:31:11,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:11,281 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:31:11,333 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/double_req_bl_0661a.c[6446,6459] [2022-02-20 16:31:11,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:11,353 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:31:11,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11 WrapperNode [2022-02-20 16:31:11,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:11,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:11,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:31:11,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:31:11,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,422 INFO L137 Inliner]: procedures = 20, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 287 [2022-02-20 16:31:11,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:11,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:31:11,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:31:11,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:31:11,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:31:11,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:31:11,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:31:11,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:31:11,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (1/1) ... [2022-02-20 16:31:11,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:11,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:31:11,517 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) [2022-02-20 16:31:11,519 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 [2022-02-20 16:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-20 16:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:31:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-20 16:31:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-20 16:31:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-20 16:31:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-02-20 16:31:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-02-20 16:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:31:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-20 16:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:31:11,688 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:31:11,689 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:31:12,369 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:31:12,375 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:31:12,375 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-20 16:31:12,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:31:12 BoogieIcfgContainer [2022-02-20 16:31:12,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:31:12,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:31:12,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:31:12,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:31:12,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:31:10" (1/3) ... [2022-02-20 16:31:12,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a51f4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:31:12, skipping insertion in model container [2022-02-20 16:31:12,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:11" (2/3) ... [2022-02-20 16:31:12,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a51f4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:31:12, skipping insertion in model container [2022-02-20 16:31:12,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:31:12" (3/3) ... [2022-02-20 16:31:12,392 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2022-02-20 16:31:12,396 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:31:12,397 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:31:12,426 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:31:12,431 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 [2022-02-20 16:31:12,431 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:31:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 104 states have (on average 1.7307692307692308) internal successors, (180), 105 states have internal predecessors, (180), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:31:12,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 16:31:12,453 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:31:12,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:31:12,454 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:31:12,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:31:12,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1850235252, now seen corresponding path program 1 times [2022-02-20 16:31:12,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:31:12,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501568424] [2022-02-20 16:31:12,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:31:12,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:31:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:31:12,667 INFO L290 TraceCheckUtils]: 0: Hoare triple {115#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := 4, 0;call #Ultimate.allocInit(32, 4);call write~init~real(0.4636476090008061, ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 8);call write~init~real(0.7853981633974483, ~#atanhi_atan~0.base, 8 + ~#atanhi_atan~0.offset, 8);call write~init~real(0.982793723247329, ~#atanhi_atan~0.base, 16 + ~#atanhi_atan~0.offset, 8);call write~init~real(1.5707963267948966, ~#atanhi_atan~0.base, 24 + ~#atanhi_atan~0.offset, 8);~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := 5, 0;call #Ultimate.allocInit(32, 5);call write~init~real(2.2698777452961687E-17, ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 8);call write~init~real(3.061616997868383E-17, ~#atanlo_atan~0.base, 8 + ~#atanlo_atan~0.offset, 8);call write~init~real(1.3903311031230998E-17, ~#atanlo_atan~0.base, 16 + ~#atanlo_atan~0.offset, 8);call write~init~real(6.123233995736766E-17, ~#atanlo_atan~0.base, 24 + ~#atanlo_atan~0.offset, 8);~#aT_atan~0.base, ~#aT_atan~0.offset := 6, 0;call #Ultimate.allocInit(88, 6);call write~init~real(0.3333333333333293, ~#aT_atan~0.base, ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.19999999999876483), ~#aT_atan~0.base, 8 + ~#aT_atan~0.offset, 8);call write~init~real(0.14285714272503466, ~#aT_atan~0.base, 16 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.11111110405462356), ~#aT_atan~0.base, 24 + ~#aT_atan~0.offset, 8);call write~init~real(0.09090887133436507, ~#aT_atan~0.base, 32 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.0769187620504483), ~#aT_atan~0.base, 40 + ~#aT_atan~0.offset, 8);call write~init~real(0.06661073137387531, ~#aT_atan~0.base, 48 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.058335701337905735), ~#aT_atan~0.base, 56 + ~#aT_atan~0.offset, 8);call write~init~real(0.049768779946159324, ~#aT_atan~0.base, 64 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.036531572744216916), ~#aT_atan~0.base, 72 + ~#aT_atan~0.offset, 8);call write~init~real(0.016285820115365782, ~#aT_atan~0.base, 80 + ~#aT_atan~0.offset, 8);~one_atan~0 := 1.0;~pi_o_4~0 := 0.7853981633974483;~pi_o_2~0 := 1.5707963267948966;~pi~0 := 3.141592653589793;~huge_atan~0 := 1.0E300;~tiny_atan2~0 := 1.0E-300;~zero_atan2~0 := 0.0;~pi_lo_atan2~0 := 1.2246467991473532E-16; {115#true} is VALID [2022-02-20 16:31:12,667 INFO L290 TraceCheckUtils]: 1: Hoare triple {115#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~short50#1, main_~res~0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~y~0#1 := ~someUnaryDOUBLEoperation(0.0); {115#true} is VALID [2022-02-20 16:31:12,667 INFO L290 TraceCheckUtils]: 2: Hoare triple {115#true} assume ~someBinaryDOUBLEComparisonOperation(main_~x~0#1, 0.0);assume { :begin_inline___ieee754_atan2 } true;__ieee754_atan2_#in~y#1, __ieee754_atan2_#in~x#1 := main_~y~0#1, main_~x~0#1;havoc __ieee754_atan2_#res#1;havoc __ieee754_atan2_#t~mem28#1, __ieee754_atan2_#t~mem29#1, __ieee754_atan2_~#ew_u~0#1.base, __ieee754_atan2_~#ew_u~0#1.offset, __ieee754_atan2_#t~mem31#1, __ieee754_atan2_#t~mem32#1, __ieee754_atan2_~#ew_u~1#1.base, __ieee754_atan2_~#ew_u~1#1.offset, __ieee754_atan2_#t~ret34#1, __ieee754_atan2_#t~switch36#1, __ieee754_atan2_#t~ite37#1, __ieee754_atan2_#t~switch38#1, __ieee754_atan2_#t~switch39#1, __ieee754_atan2_#t~ite40#1, __ieee754_atan2_#t~ret41#1, __ieee754_atan2_#t~ret42#1, __ieee754_atan2_#t~switch43#1, __ieee754_atan2_#t~mem44#1, __ieee754_atan2_~#gh_u~2#1.base, __ieee754_atan2_~#gh_u~2#1.offset, __ieee754_atan2_#t~mem45#1, __ieee754_atan2_~#sh_u~1#1.base, __ieee754_atan2_~#sh_u~1#1.offset, __ieee754_atan2_~zh~0#1, __ieee754_atan2_~y#1, __ieee754_atan2_~x#1, __ieee754_atan2_~z~1#1, __ieee754_atan2_~k~0#1, __ieee754_atan2_~m~0#1, __ieee754_atan2_~hx~1#1, __ieee754_atan2_~hy~0#1, __ieee754_atan2_~ix~1#1, __ieee754_atan2_~iy~0#1, __ieee754_atan2_~lx~0#1, __ieee754_atan2_~ly~0#1, __ieee754_atan2_#t~nondet30#1, __ieee754_atan2_#t~nondet33#1, __ieee754_atan2_#t~nondet35#1;__ieee754_atan2_~y#1 := __ieee754_atan2_#in~y#1;__ieee754_atan2_~x#1 := __ieee754_atan2_#in~x#1;havoc __ieee754_atan2_~z~1#1;havoc __ieee754_atan2_~k~0#1;havoc __ieee754_atan2_~m~0#1;havoc __ieee754_atan2_~hx~1#1;havoc __ieee754_atan2_~hy~0#1;havoc __ieee754_atan2_~ix~1#1;havoc __ieee754_atan2_~iy~0#1;havoc __ieee754_atan2_~lx~0#1;havoc __ieee754_atan2_~ly~0#1; {115#true} is VALID [2022-02-20 16:31:12,668 INFO L290 TraceCheckUtils]: 3: Hoare triple {115#true} assume !true; {116#false} is VALID [2022-02-20 16:31:12,668 INFO L290 TraceCheckUtils]: 4: Hoare triple {116#false} assume 0 == __ieee754_atan2_~hx~1#1;__ieee754_atan2_~ix~1#1 := 0; {116#false} is VALID [2022-02-20 16:31:12,669 INFO L290 TraceCheckUtils]: 5: Hoare triple {116#false} assume !true; {116#false} is VALID [2022-02-20 16:31:12,669 INFO L290 TraceCheckUtils]: 6: Hoare triple {116#false} assume 0 == __ieee754_atan2_~hy~0#1;__ieee754_atan2_~iy~0#1 := 0; {116#false} is VALID [2022-02-20 16:31:12,670 INFO L290 TraceCheckUtils]: 7: Hoare triple {116#false} assume (if (1 == __ieee754_atan2_~ix~1#1 || 0 == __ieee754_atan2_~ix~1#1) && 0 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) then __ieee754_atan2_~ix~1#1 else (if 0 == __ieee754_atan2_~ix~1#1 && (1 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1)) then (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) else (if (1 == __ieee754_atan2_~ix~1#1 && (1 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1))) || ((1 == __ieee754_atan2_~ix~1#1 || 0 == __ieee754_atan2_~ix~1#1) && 1 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1)) then 1 else ~bitwiseOr(__ieee754_atan2_~ix~1#1, (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1))))) % 4294967296 > 2146435072 || (if (1 == __ieee754_atan2_~iy~0#1 || 0 == __ieee754_atan2_~iy~0#1) && 0 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) then __ieee754_atan2_~iy~0#1 else (if 0 == __ieee754_atan2_~iy~0#1 && (1 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1)) then (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) else (if (1 == __ieee754_atan2_~iy~0#1 && (1 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1))) || ((1 == __ieee754_atan2_~iy~0#1 || 0 == __ieee754_atan2_~iy~0#1) && 1 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1)) then 1 else ~bitwiseOr(__ieee754_atan2_~iy~0#1, (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1))))) % 4294967296 > 2146435072;__ieee754_atan2_#res#1 := ~someBinaryArithmeticDOUBLEoperation(__ieee754_atan2_~x#1, __ieee754_atan2_~y#1); {116#false} is VALID [2022-02-20 16:31:12,670 INFO L290 TraceCheckUtils]: 8: Hoare triple {116#false} main_#t~ret48#1 := __ieee754_atan2_#res#1;assume { :end_inline___ieee754_atan2 } true;main_~res~0#1 := main_#t~ret48#1;havoc main_#t~ret48#1;main_#t~short50#1 := ~someBinaryDOUBLEComparisonOperation(main_~res~0#1, ~someUnaryDOUBLEoperation(0.0)); {116#false} is VALID [2022-02-20 16:31:12,670 INFO L290 TraceCheckUtils]: 9: Hoare triple {116#false} assume !main_#t~short50#1; {116#false} is VALID [2022-02-20 16:31:12,670 INFO L290 TraceCheckUtils]: 10: Hoare triple {116#false} assume !main_#t~short50#1;havoc main_#t~ret49#1;havoc main_#t~short50#1; {116#false} is VALID [2022-02-20 16:31:12,671 INFO L290 TraceCheckUtils]: 11: Hoare triple {116#false} assume !false; {116#false} is VALID [2022-02-20 16:31:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:31:12,672 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:31:12,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501568424] [2022-02-20 16:31:12,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501568424] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:31:12,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:31:12,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:31:12,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864670482] [2022-02-20 16:31:12,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:31:12,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:31:12,680 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:31:12,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:31:12,695 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:31:12,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:31:12,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:31:12,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:31:12,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:31:12,719 INFO L87 Difference]: Start difference. First operand has 112 states, 104 states have (on average 1.7307692307692308) internal successors, (180), 105 states have internal predecessors, (180), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:31:12,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:31:12,850 INFO L93 Difference]: Finished difference Result 221 states and 376 transitions. [2022-02-20 16:31:12,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:31:12,850 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:31:12,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:31:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:31:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 376 transitions. [2022-02-20 16:31:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:31:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 376 transitions. [2022-02-20 16:31:12,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 376 transitions. [2022-02-20 16:31:13,153 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 376 edges. 376 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:31:13,165 INFO L225 Difference]: With dead ends: 221 [2022-02-20 16:31:13,166 INFO L226 Difference]: Without dead ends: 108 [2022-02-20 16:31:13,169 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 [2022-02-20 16:31:13,173 INFO L933 BasicCegarLoop]: 163 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, 163 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 [2022-02-20 16:31:13,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:31:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-02-20 16:31:13,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-02-20 16:31:13,203 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:31:13,204 INFO L82 GeneralOperation]: Start isEquivalent. First operand 108 states. Second operand has 108 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:31:13,205 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand has 108 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:31:13,206 INFO L87 Difference]: Start difference. First operand 108 states. Second operand has 108 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:31:13,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:31:13,212 INFO L93 Difference]: Finished difference Result 108 states and 158 transitions. [2022-02-20 16:31:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 158 transitions. [2022-02-20 16:31:13,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:31:13,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:31:13,214 INFO L74 IsIncluded]: Start isIncluded. First operand has 108 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 108 states. [2022-02-20 16:31:13,215 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 108 states. [2022-02-20 16:31:13,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:31:13,220 INFO L93 Difference]: Finished difference Result 108 states and 158 transitions. [2022-02-20 16:31:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 158 transitions. [2022-02-20 16:31:13,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:31:13,221 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:31:13,221 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:31:13,222 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:31:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:31:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 158 transitions. [2022-02-20 16:31:13,228 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 158 transitions. Word has length 12 [2022-02-20 16:31:13,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:31:13,228 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 158 transitions. [2022-02-20 16:31:13,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:31:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 158 transitions. [2022-02-20 16:31:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 16:31:13,229 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:31:13,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:31:13,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:31:13,230 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:31:13,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:31:13,231 INFO L85 PathProgramCache]: Analyzing trace with hash 997096028, now seen corresponding path program 1 times [2022-02-20 16:31:13,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:31:13,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379643227] [2022-02-20 16:31:13,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:31:13,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:31:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:31:13,356 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:31:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:31:13,439 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:31:13,439 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:31:13,440 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:31:13,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:31:13,444 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-20 16:31:13,446 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:31:13,469 WARN L170 areAnnotationChecker]: fabs_doubleENTRY has no Hoare annotation [2022-02-20 16:31:13,469 WARN L170 areAnnotationChecker]: atan_doubleENTRY has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: L70-2 has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2022-02-20 16:31:13,470 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L70-1 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L70-1 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L70-3 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L70-3 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L269 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L269 has no Hoare annotation [2022-02-20 16:31:13,471 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L75-7 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L75-7 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L149-2 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L149-2 has no Hoare annotation [2022-02-20 16:31:13,472 WARN L170 areAnnotationChecker]: L269-2 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: fabs_doubleFINAL has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L78-2 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L78-2 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L75-3 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L75-3 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2022-02-20 16:31:13,473 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: L149-3 has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: L149-3 has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: L278 has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: fabs_doubleEXIT has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: fabs_doubleEXIT has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: L78-1 has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: L78-1 has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: L78-3 has no Hoare annotation [2022-02-20 16:31:13,474 WARN L170 areAnnotationChecker]: L78-3 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L75-5 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L75-5 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2022-02-20 16:31:13,475 WARN L170 areAnnotationChecker]: L155-1 has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: L155-1 has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: L220-1 has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: L220-1 has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: atan_doubleFINAL has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2022-02-20 16:31:13,476 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L91-2 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L156-2 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L156-2 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L155-3 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L155-3 has no Hoare annotation [2022-02-20 16:31:13,477 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L220-2 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: atan_doubleEXIT has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: atan_doubleEXIT has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L107-2 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L162-7 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L162-7 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L162-1 has no Hoare annotation [2022-02-20 16:31:13,478 WARN L170 areAnnotationChecker]: L155-5 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L155-5 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L217-2 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2022-02-20 16:31:13,479 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L162-3 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L162-3 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2022-02-20 16:31:13,480 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L162-5 has no Hoare annotation [2022-02-20 16:31:13,481 WARN L170 areAnnotationChecker]: L162-5 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L132-2 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L249-2 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L249-2 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L272-2 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L272-2 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L168-8 has no Hoare annotation [2022-02-20 16:31:13,482 WARN L170 areAnnotationChecker]: L168-8 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L226-2 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L226-2 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2022-02-20 16:31:13,483 WARN L170 areAnnotationChecker]: L249-3 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L168-4 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L168-4 has no Hoare annotation [2022-02-20 16:31:13,484 WARN L170 areAnnotationChecker]: L226-1 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L226-1 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L231-1 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L231-1 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L255 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L172-2 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2022-02-20 16:31:13,485 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L168-6 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L168-6 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L231-2 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L221 has no Hoare annotation [2022-02-20 16:31:13,486 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L185-1 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L185-1 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2022-02-20 16:31:13,487 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2022-02-20 16:31:13,488 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L201 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2022-02-20 16:31:13,489 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2022-02-20 16:31:13,490 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2022-02-20 16:31:13,491 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2022-02-20 16:31:13,491 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:31:13,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:31:13 BoogieIcfgContainer [2022-02-20 16:31:13,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:31:13,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:31:13,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:31:13,492 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:31:13,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:31:12" (3/4) ... [2022-02-20 16:31:13,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-20 16:31:13,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:31:13,496 INFO L158 Benchmark]: Toolchain (without parser) took 2504.43ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 61.2MB in the beginning and 52.2MB in the end (delta: 9.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-02-20 16:31:13,496 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:31:13,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.98ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 63.7MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:31:13,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.74ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 58.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 16:31:13,497 INFO L158 Benchmark]: Boogie Preprocessor took 56.45ms. Allocated memory is still 94.4MB. Free memory was 58.5MB in the beginning and 54.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 16:31:13,498 INFO L158 Benchmark]: RCFGBuilder took 905.86ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 54.3MB in the beginning and 96.4MB in the end (delta: -42.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-02-20 16:31:13,498 INFO L158 Benchmark]: TraceAbstraction took 1104.36ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 53.2MB in the end (delta: 43.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-02-20 16:31:13,498 INFO L158 Benchmark]: Witness Printer took 2.93ms. Allocated memory is still 125.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:31:13,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.98ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 63.7MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.74ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 58.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.45ms. Allocated memory is still 94.4MB. Free memory was 58.5MB in the beginning and 54.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 905.86ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 54.3MB in the beginning and 96.4MB in the end (delta: -42.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1104.36ms. Allocated memory is still 125.8MB. Free memory was 96.4MB in the beginning and 53.2MB in the end (delta: 43.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Witness Printer took 2.93ms. Allocated memory is still 125.8MB. Free memory is still 53.2MB. 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: 273]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 267, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE x > 0.0 [L270] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, lx=-1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, hy=0, ix=0, iy=0, lx=-1, ly=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, hy=0, ix=0, iy=0, lx=-1, ly=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L270] RET, EXPR __ieee754_atan2(y, x) [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, res == -0.0 && __signbit_double(res) == 1=0, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L273] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, 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, 163 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, 163 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=112occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2022-02-20 16:31:13,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/double_req_bl_0661a.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 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:31:15,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:31:15,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:31:15,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:31:15,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:31:15,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:31:15,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:31:15,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:31:15,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:31:15,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:31:15,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:31:15,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:31:15,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:31:15,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:31:15,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:31:15,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:31:15,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:31:15,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:31:15,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:31:15,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:31:15,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:31:15,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:31:15,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:31:15,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:31:15,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:31:15,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:31:15,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:31:15,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:31:15,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:31:15,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:31:15,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:31:15,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:31:15,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:31:15,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:31:15,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:31:15,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:31:15,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:31:15,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:31:15,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:31:15,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:31:15,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:31:15,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:31:15,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:31:15,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:31:15,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:31:15,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:31:15,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:31:15,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:31:15,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:31:15,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:31:15,314 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:31:15,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:31:15,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:31:15,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:31:15,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:31:15,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:31:15,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:31:15,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:31:15,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:31:15,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:31:15,316 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:31:15,316 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:31:15,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:31:15,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:31:15,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:31:15,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:31:15,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:31:15,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:31:15,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:15,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:31:15,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:31:15,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:31:15,318 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:31:15,318 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:31:15,319 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:31:15,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:31:15,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:31:15,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:31:15,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97db4649e1472818bc0988249575733f0ee094f6677a6f3f19d9bb4aec20f92d [2022-02-20 16:31:15,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:31:15,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:31:15,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:31:15,606 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:31:15,606 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:31:15,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2022-02-20 16:31:15,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b5c76599/0238fc01e08242ca868d938e360873d8/FLAGcba589aac [2022-02-20 16:31:16,018 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:31:16,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2022-02-20 16:31:16,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b5c76599/0238fc01e08242ca868d938e360873d8/FLAGcba589aac [2022-02-20 16:31:16,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b5c76599/0238fc01e08242ca868d938e360873d8 [2022-02-20 16:31:16,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:31:16,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:31:16,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:16,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:31:16,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:31:16,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7434a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16, skipping insertion in model container [2022-02-20 16:31:16,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:31:16,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:31:16,621 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/double_req_bl_0661a.c[6446,6459] [2022-02-20 16:31:16,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:16,669 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:31:16,735 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/double_req_bl_0661a.c[6446,6459] [2022-02-20 16:31:16,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:16,756 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:31:16,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16 WrapperNode [2022-02-20 16:31:16,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:16,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:16,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:31:16,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:31:16,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,808 INFO L137 Inliner]: procedures = 23, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 251 [2022-02-20 16:31:16,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:16,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:31:16,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:31:16,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:31:16,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:31:16,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:31:16,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:31:16,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:31:16,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (1/1) ... [2022-02-20 16:31:16,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:16,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:31:16,881 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) [2022-02-20 16:31:16,887 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 [2022-02-20 16:31:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:31:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-02-20 16:31:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-02-20 16:31:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:31:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:31:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-20 16:31:16,908 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-20 16:31:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-02-20 16:31:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-02-20 16:31:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-02-20 16:31:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:31:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:31:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:31:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:31:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:31:16,986 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:31:16,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:31:38,969 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:31:38,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:31:38,975 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-20 16:31:38,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:31:38 BoogieIcfgContainer [2022-02-20 16:31:38,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:31:38,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:31:38,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:31:38,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:31:38,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:31:16" (1/3) ... [2022-02-20 16:31:38,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6b7a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:31:38, skipping insertion in model container [2022-02-20 16:31:38,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:16" (2/3) ... [2022-02-20 16:31:38,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6b7a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:31:38, skipping insertion in model container [2022-02-20 16:31:38,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:31:38" (3/3) ... [2022-02-20 16:31:38,985 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2022-02-20 16:31:38,989 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:31:38,989 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:31:39,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:31:39,022 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 [2022-02-20 16:31:39,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:31:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 91 states have (on average 1.6593406593406594) internal successors, (151), 92 states have internal predecessors, (151), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:31:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 16:31:39,039 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:31:39,039 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:31:39,040 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:31:39,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:31:39,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1101750833, now seen corresponding path program 1 times [2022-02-20 16:31:39,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:31:39,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607928785] [2022-02-20 16:31:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:31:39,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:31:39,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:31:39,054 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) [2022-02-20 16:31:39,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:31:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:31:39,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:31:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:31:39,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:31:39,619 INFO L290 TraceCheckUtils]: 0: Hoare triple {102#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(22bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := 4bv32, 0bv32;call #Ultimate.allocInit(32bv32, 4bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.4636476090008061), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.7853981633974483), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.982793723247329), ~#atanhi_atan~0.base, ~bvadd32(16bv32, ~#atanhi_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966), ~#atanhi_atan~0.base, ~bvadd32(24bv32, ~#atanhi_atan~0.offset), 8bv32);~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := 5bv32, 0bv32;call #Ultimate.allocInit(32bv32, 5bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 2.2698777452961687E-17), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 3.061616997868383E-17), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 1.3903311031230998E-17), ~#atanlo_atan~0.base, ~bvadd32(16bv32, ~#atanlo_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 6.123233995736766E-17), ~#atanlo_atan~0.base, ~bvadd32(24bv32, ~#atanlo_atan~0.offset), 8bv32);~#aT_atan~0.base, ~#aT_atan~0.offset := 6bv32, 0bv32;call #Ultimate.allocInit(88bv32, 6bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.3333333333333293), ~#aT_atan~0.base, ~#aT_atan~0.offset, 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.19999999999876483)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.14285714272503466), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110405462356)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.09090887133436507), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.0769187620504483)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.06661073137387531), ~#aT_atan~0.base, ~bvadd32(48bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335701337905735)), ~#aT_atan~0.base, ~bvadd32(56bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.049768779946159324), ~#aT_atan~0.base, ~bvadd32(64bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531572744216916)), ~#aT_atan~0.base, ~bvadd32(72bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.016285820115365782), ~#aT_atan~0.base, ~bvadd32(80bv32, ~#aT_atan~0.offset), 8bv32);~one_atan~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~pi_o_4~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.7853981633974483);~pi_o_2~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966);~pi~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.141592653589793);~huge_atan~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E300);~tiny_atan2~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E-300);~zero_atan2~0 := ~Pluszero~DOUBLE();~pi_lo_atan2~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.2246467991473532E-16); {102#true} is VALID [2022-02-20 16:31:39,620 INFO L290 TraceCheckUtils]: 1: Hoare triple {102#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~short46#1, main_~res~0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~y~0#1 := ~fp.neg~DOUBLE(~Pluszero~DOUBLE()); {102#true} is VALID [2022-02-20 16:31:39,620 INFO L290 TraceCheckUtils]: 2: Hoare triple {102#true} assume ~fp.gt~DOUBLE(main_~x~0#1, ~Pluszero~DOUBLE());assume { :begin_inline___ieee754_atan2 } true;__ieee754_atan2_#in~y#1, __ieee754_atan2_#in~x#1 := main_~y~0#1, main_~x~0#1;havoc __ieee754_atan2_#res#1;havoc __ieee754_atan2_#t~mem27#1, __ieee754_atan2_#t~mem28#1, __ieee754_atan2_~#ew_u~0#1.base, __ieee754_atan2_~#ew_u~0#1.offset, __ieee754_atan2_#t~mem29#1, __ieee754_atan2_#t~mem30#1, __ieee754_atan2_~#ew_u~1#1.base, __ieee754_atan2_~#ew_u~1#1.offset, __ieee754_atan2_#t~ret31#1, __ieee754_atan2_#t~switch32#1, __ieee754_atan2_#t~ite33#1, __ieee754_atan2_#t~switch34#1, __ieee754_atan2_#t~switch35#1, __ieee754_atan2_#t~ite36#1, __ieee754_atan2_#t~ret37#1, __ieee754_atan2_#t~ret38#1, __ieee754_atan2_#t~switch39#1, __ieee754_atan2_#t~mem40#1, __ieee754_atan2_~#gh_u~2#1.base, __ieee754_atan2_~#gh_u~2#1.offset, __ieee754_atan2_#t~mem41#1, __ieee754_atan2_~#sh_u~1#1.base, __ieee754_atan2_~#sh_u~1#1.offset, __ieee754_atan2_~zh~0#1, __ieee754_atan2_~y#1, __ieee754_atan2_~x#1, __ieee754_atan2_~z~1#1, __ieee754_atan2_~k~0#1, __ieee754_atan2_~m~0#1, __ieee754_atan2_~hx~1#1, __ieee754_atan2_~hy~0#1, __ieee754_atan2_~ix~1#1, __ieee754_atan2_~iy~0#1, __ieee754_atan2_~lx~0#1, __ieee754_atan2_~ly~0#1;__ieee754_atan2_~y#1 := __ieee754_atan2_#in~y#1;__ieee754_atan2_~x#1 := __ieee754_atan2_#in~x#1;havoc __ieee754_atan2_~z~1#1;havoc __ieee754_atan2_~k~0#1;havoc __ieee754_atan2_~m~0#1;havoc __ieee754_atan2_~hx~1#1;havoc __ieee754_atan2_~hy~0#1;havoc __ieee754_atan2_~ix~1#1;havoc __ieee754_atan2_~iy~0#1;havoc __ieee754_atan2_~lx~0#1;havoc __ieee754_atan2_~ly~0#1; {102#true} is VALID [2022-02-20 16:31:39,621 INFO L290 TraceCheckUtils]: 3: Hoare triple {102#true} assume !true; {103#false} is VALID [2022-02-20 16:31:39,621 INFO L290 TraceCheckUtils]: 4: Hoare triple {103#false} __ieee754_atan2_~ix~1#1 := ~bvand32(2147483647bv32, __ieee754_atan2_~hx~1#1); {103#false} is VALID [2022-02-20 16:31:39,621 INFO L290 TraceCheckUtils]: 5: Hoare triple {103#false} assume !true; {103#false} is VALID [2022-02-20 16:31:39,621 INFO L290 TraceCheckUtils]: 6: Hoare triple {103#false} __ieee754_atan2_~iy~0#1 := ~bvand32(2147483647bv32, __ieee754_atan2_~hy~0#1); {103#false} is VALID [2022-02-20 16:31:39,622 INFO L290 TraceCheckUtils]: 7: Hoare triple {103#false} assume ~bvugt32(~bvor32(__ieee754_atan2_~ix~1#1, ~bvlshr32(~bvor32(__ieee754_atan2_~lx~0#1, ~bvneg32(__ieee754_atan2_~lx~0#1)), 31bv32)), 2146435072bv32) || ~bvugt32(~bvor32(__ieee754_atan2_~iy~0#1, ~bvlshr32(~bvor32(__ieee754_atan2_~ly~0#1, ~bvneg32(__ieee754_atan2_~ly~0#1)), 31bv32)), 2146435072bv32);__ieee754_atan2_#res#1 := ~fp.add~DOUBLE(currentRoundingMode, __ieee754_atan2_~x#1, __ieee754_atan2_~y#1); {103#false} is VALID [2022-02-20 16:31:39,622 INFO L290 TraceCheckUtils]: 8: Hoare triple {103#false} main_#t~ret44#1 := __ieee754_atan2_#res#1;assume { :end_inline___ieee754_atan2 } true;main_~res~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;main_#t~short46#1 := ~fp.eq~DOUBLE(main_~res~0#1, ~fp.neg~DOUBLE(~Pluszero~DOUBLE())); {103#false} is VALID [2022-02-20 16:31:39,622 INFO L290 TraceCheckUtils]: 9: Hoare triple {103#false} assume !main_#t~short46#1; {103#false} is VALID [2022-02-20 16:31:39,622 INFO L290 TraceCheckUtils]: 10: Hoare triple {103#false} assume !main_#t~short46#1;havoc main_#t~ret45#1;havoc main_#t~short46#1; {103#false} is VALID [2022-02-20 16:31:39,622 INFO L290 TraceCheckUtils]: 11: Hoare triple {103#false} assume !false; {103#false} is VALID [2022-02-20 16:31:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:31:39,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:31:39,624 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:31:39,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607928785] [2022-02-20 16:31:39,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607928785] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:31:39,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:31:39,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:31:39,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466098423] [2022-02-20 16:31:39,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:31:39,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:31:39,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:31:39,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:31:39,698 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:31:39,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:31:39,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:31:39,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:31:39,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:31:39,715 INFO L87 Difference]: Start difference. First operand has 99 states, 91 states have (on average 1.6593406593406594) internal successors, (151), 92 states have internal predecessors, (151), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:32:04,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:32:04,358 INFO L93 Difference]: Finished difference Result 195 states and 318 transitions. [2022-02-20 16:32:04,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:32:04,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:32:04,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:32:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:32:04,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 318 transitions. [2022-02-20 16:32:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:32:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 318 transitions. [2022-02-20 16:32:04,391 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 318 transitions. [2022-02-20 16:32:21,252 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 318 edges. 318 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:32:21,263 INFO L225 Difference]: With dead ends: 195 [2022-02-20 16:32:21,263 INFO L226 Difference]: Without dead ends: 95 [2022-02-20 16:32:21,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:32:21,268 INFO L933 BasicCegarLoop]: 140 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, 140 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 [2022-02-20 16:32:21,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:32:21,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-02-20 16:32:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-02-20 16:32:21,291 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:32:21,292 INFO L82 GeneralOperation]: Start isEquivalent. First operand 95 states. Second operand has 95 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:32:21,298 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand has 95 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:32:21,299 INFO L87 Difference]: Start difference. First operand 95 states. Second operand has 95 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:32:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:32:21,305 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2022-02-20 16:32:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2022-02-20 16:32:21,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:32:21,306 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:32:21,306 INFO L74 IsIncluded]: Start isIncluded. First operand has 95 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 95 states. [2022-02-20 16:32:21,307 INFO L87 Difference]: Start difference. First operand has 95 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 95 states. [2022-02-20 16:32:21,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:32:21,314 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2022-02-20 16:32:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2022-02-20 16:32:21,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:32:21,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:32:21,318 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:32:21,319 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:32:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 16:32:21,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2022-02-20 16:32:21,328 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 135 transitions. Word has length 12 [2022-02-20 16:32:21,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:32:21,331 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 135 transitions. [2022-02-20 16:32:21,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:32:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2022-02-20 16:32:21,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 16:32:21,332 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:32:21,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:32:21,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-02-20 16:32:21,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:32:21,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:32:21,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:32:21,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1195087928, now seen corresponding path program 1 times [2022-02-20 16:32:21,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:32:21,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197821869] [2022-02-20 16:32:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:32:21,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:32:21,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:32:21,550 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) [2022-02-20 16:32:21,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:32:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:32:21,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-20 16:32:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:32:21,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:32:23,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-02-20 16:32:26,935 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:32:26,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17