./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0680b.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 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:47:27,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:47:27,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:47:27,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:47:27,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:47:27,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:47:27,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:47:27,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:47:27,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:47:27,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:47:27,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:47:27,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:47:27,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:47:27,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:47:27,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:47:27,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:47:27,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:47:27,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:47:27,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:47:27,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:47:27,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:47:27,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:47:27,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:47:27,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:47:27,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:47:27,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:47:27,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:47:27,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:47:27,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:47:27,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:47:27,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:47:27,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:47:27,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:47:27,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:47:27,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:47:27,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:47:27,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:47:27,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:47:27,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:47:27,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:47:27,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:47:27,604 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:47:27,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:47:27,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:47:27,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:47:27,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:47:27,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:47:27,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:47:27,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:47:27,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:47:27,638 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:47:27,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:47:27,638 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:47:27,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:47:27,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:47:27,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:47:27,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:47:27,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:47:27,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:47:27,640 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:47:27,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:47:27,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:47:27,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:47:27,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:47:27,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:47:27,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:47:27,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:47:27,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:47:27,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:47:27,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:47:27,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:47:27,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:47:27,643 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:47:27,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:47:27,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:47:27,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:47:27,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 [2021-12-17 07:47:27,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:47:27,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:47:27,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:47:27,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:47:27,903 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:47:27,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-12-17 07:47:27,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13793b5fe/43d4f43a1923445d9ab96dbfd42a9d93/FLAG96ce00040 [2021-12-17 07:47:28,351 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:47:28,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-12-17 07:47:28,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13793b5fe/43d4f43a1923445d9ab96dbfd42a9d93/FLAG96ce00040 [2021-12-17 07:47:28,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13793b5fe/43d4f43a1923445d9ab96dbfd42a9d93 [2021-12-17 07:47:28,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:47:28,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:47:28,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:47:28,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:47:28,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:47:28,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f544fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28, skipping insertion in model container [2021-12-17 07:47:28,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:47:28,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:47:28,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-12-17 07:47:28,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:47:28,598 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:47:28,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-12-17 07:47:28,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:47:28,650 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:47:28,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28 WrapperNode [2021-12-17 07:47:28,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:47:28,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:47:28,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:47:28,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:47:28,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,698 INFO L137 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2021-12-17 07:47:28,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:47:28,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:47:28,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:47:28,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:47:28,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:47:28,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:47:28,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:47:28,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:47:28,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (1/1) ... [2021-12-17 07:47:28,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:47:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:47:28,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:47:28,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:47:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:47:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 07:47:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:47:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 07:47:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 07:47:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-17 07:47:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-17 07:47:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-17 07:47:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:47:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:47:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 07:47:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-17 07:47:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-17 07:47:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-17 07:47:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:47:28,879 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:47:28,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:47:29,185 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:47:29,194 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:47:29,194 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-17 07:47:29,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:47:29 BoogieIcfgContainer [2021-12-17 07:47:29,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:47:29,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:47:29,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:47:29,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:47:29,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:47:28" (1/3) ... [2021-12-17 07:47:29,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de4d4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:47:29, skipping insertion in model container [2021-12-17 07:47:29,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:28" (2/3) ... [2021-12-17 07:47:29,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de4d4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:47:29, skipping insertion in model container [2021-12-17 07:47:29,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:47:29" (3/3) ... [2021-12-17 07:47:29,206 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2021-12-17 07:47:29,211 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:47:29,211 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:47:29,252 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:47:29,262 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:47:29,264 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:47:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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) [2021-12-17 07:47:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:47:29,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:29,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:29,294 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1138107774, now seen corresponding path program 1 times [2021-12-17 07:47:29,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:47:29,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960315258] [2021-12-17 07:47:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:29,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:47:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:47:29,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:47:29,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960315258] [2021-12-17 07:47:29,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960315258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:47:29,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:47:29,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:47:29,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378985750] [2021-12-17 07:47:29,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:47:29,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:47:29,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:47:29,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:47:29,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:47:29,542 INFO L87 Difference]: Start difference. First operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:47:29,605 INFO L93 Difference]: Finished difference Result 178 states and 290 transitions. [2021-12-17 07:47:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:47:29,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:47:29,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:47:29,615 INFO L225 Difference]: With dead ends: 178 [2021-12-17 07:47:29,615 INFO L226 Difference]: Without dead ends: 87 [2021-12-17 07:47:29,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:47:29,626 INFO L933 BasicCegarLoop]: 129 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, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:47:29,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:47:29,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-17 07:47:29,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-17 07:47:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 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) [2021-12-17 07:47:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-12-17 07:47:29,674 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 10 [2021-12-17 07:47:29,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:47:29,674 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-12-17 07:47:29,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-12-17 07:47:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-17 07:47:29,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:29,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:29,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 07:47:29,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:29,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1466192473, now seen corresponding path program 1 times [2021-12-17 07:47:29,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:47:29,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341017433] [2021-12-17 07:47:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:29,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:47:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:47:29,728 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 07:47:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:47:29,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 07:47:29,781 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 07:47:29,782 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:47:29,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 07:47:29,787 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 07:47:29,789 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:47:29,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:47:29 BoogieIcfgContainer [2021-12-17 07:47:29,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:47:29,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:47:29,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:47:29,841 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:47:29,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:47:29" (3/4) ... [2021-12-17 07:47:29,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 07:47:29,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:47:29,844 INFO L158 Benchmark]: Toolchain (without parser) took 1472.16ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 63.0MB in the beginning and 75.4MB in the end (delta: -12.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-12-17 07:47:29,844 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:47:29,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.57ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 63.0MB in the beginning and 88.1MB in the end (delta: -25.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:47:29,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.23ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:47:29,845 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 115.3MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:47:29,846 INFO L158 Benchmark]: RCFGBuilder took 452.37ms. Allocated memory is still 115.3MB. Free memory was 83.5MB in the beginning and 64.1MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-17 07:47:29,846 INFO L158 Benchmark]: TraceAbstraction took 642.70ms. Allocated memory is still 115.3MB. Free memory was 63.5MB in the beginning and 76.1MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:47:29,846 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 115.3MB. Free memory was 76.1MB in the beginning and 75.4MB in the end (delta: 697.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:47:29,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.57ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 63.0MB in the beginning and 88.1MB in the end (delta: -25.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.23ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 115.3MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.37ms. Allocated memory is still 115.3MB. Free memory was 83.5MB in the beginning and 64.1MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 642.70ms. Allocated memory is still 115.3MB. Free memory was 63.5MB in the beginning and 76.1MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 115.3MB. Free memory was 76.1MB in the beginning and 75.4MB in the end (delta: 697.4kB). 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: 230]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 223, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L223] float x = -0.0f; [L224] float y = -0.0f; [L226] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000001, \old(y)=1000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=-1, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L226] RET, EXPR __ieee754_atan2f(y, x) [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, y=1000000000000000000000000000002, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 129 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, 129 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=90occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-17 07:47:29,890 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 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0680b.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 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:47:31,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:47:31,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:47:31,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:47:31,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:47:31,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:47:31,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:47:31,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:47:31,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:47:31,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:47:31,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:47:31,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:47:31,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:47:31,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:47:31,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:47:31,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:47:31,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:47:31,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:47:31,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:47:31,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:47:31,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:47:31,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:47:31,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:47:31,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:47:31,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:47:31,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:47:31,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:47:31,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:47:31,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:47:31,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:47:31,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:47:31,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:47:31,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:47:31,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:47:31,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:47:31,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:47:31,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:47:31,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:47:31,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:47:31,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:47:31,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:47:31,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:47:31,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:47:31,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:47:31,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:47:31,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:47:31,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:47:31,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:47:31,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:47:31,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:47:31,874 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:47:31,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:47:31,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:47:31,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:47:31,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:47:31,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:47:31,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:47:31,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:47:31,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:47:31,877 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:47:31,877 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:47:31,877 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:47:31,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:47:31,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:47:31,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:47:31,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:47:31,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:47:31,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:47:31,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:47:31,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:47:31,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:47:31,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:47:31,879 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:47:31,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:47:31,880 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:47:31,880 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:47:31,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:47:31,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:47:31,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:47:31,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5da2633a98a8c063206d3de9ed1a2ca83179e4ae1554db6a2d5f4c67dd322fa5 [2021-12-17 07:47:32,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:47:32,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:47:32,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:47:32,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:47:32,205 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:47:32,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-12-17 07:47:32,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d6c6542/bc7b89779f61484dbcee46f92b278ed2/FLAGefe5fc1db [2021-12-17 07:47:32,713 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:47:32,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-12-17 07:47:32,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d6c6542/bc7b89779f61484dbcee46f92b278ed2/FLAGefe5fc1db [2021-12-17 07:47:32,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d6c6542/bc7b89779f61484dbcee46f92b278ed2 [2021-12-17 07:47:32,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:47:32,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:47:32,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:47:32,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:47:32,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:47:32,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:47:32" (1/1) ... [2021-12-17 07:47:32,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b982f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:32, skipping insertion in model container [2021-12-17 07:47:32,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:47:32" (1/1) ... [2021-12-17 07:47:32,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:47:32,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:47:32,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-12-17 07:47:32,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:47:32,982 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:47:33,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-12-17 07:47:33,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:47:33,050 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:47:33,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33 WrapperNode [2021-12-17 07:47:33,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:47:33,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:47:33,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:47:33,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:47:33,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,111 INFO L137 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 217 [2021-12-17 07:47:33,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:47:33,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:47:33,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:47:33,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:47:33,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:47:33,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:47:33,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:47:33,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:47:33,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (1/1) ... [2021-12-17 07:47:33,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:47:33,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:47:33,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:47:33,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:47:33,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:47:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-17 07:47:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 07:47:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:47:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-17 07:47:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-12-17 07:47:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-12-17 07:47:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 07:47:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:47:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:47:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-17 07:47:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2021-12-17 07:47:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2021-12-17 07:47:33,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 07:47:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:47:33,404 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:47:33,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:47:44,973 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:47:44,978 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:47:44,978 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-17 07:47:44,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:47:44 BoogieIcfgContainer [2021-12-17 07:47:44,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:47:44,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:47:44,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:47:44,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:47:44,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:47:32" (1/3) ... [2021-12-17 07:47:44,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1606befb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:47:44, skipping insertion in model container [2021-12-17 07:47:44,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:47:33" (2/3) ... [2021-12-17 07:47:44,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1606befb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:47:44, skipping insertion in model container [2021-12-17 07:47:44,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:47:44" (3/3) ... [2021-12-17 07:47:44,989 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2021-12-17 07:47:44,993 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:47:44,993 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:47:45,026 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:47:45,042 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:47:45,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:47:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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) [2021-12-17 07:47:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:47:45,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:45,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:45,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:45,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1138107774, now seen corresponding path program 1 times [2021-12-17 07:47:45,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:47:45,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334005011] [2021-12-17 07:47:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:45,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:47:45,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:47:45,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:47:45,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 07:47:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:45,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 07:47:45,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:47:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:47:45,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:47:45,956 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:47:45,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334005011] [2021-12-17 07:47:45,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334005011] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:47:45,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:47:45,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:47:45,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479172557] [2021-12-17 07:47:45,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:47:45,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:47:45,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:47:45,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:47:45,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:47:45,994 INFO L87 Difference]: Start difference. First operand has 90 states, 82 states have (on average 1.6585365853658536) internal successors, (136), 83 states have internal predecessors, (136), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:46,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:47:46,031 INFO L93 Difference]: Finished difference Result 178 states and 290 transitions. [2021-12-17 07:47:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:47:46,033 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:47:46,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:47:46,040 INFO L225 Difference]: With dead ends: 178 [2021-12-17 07:47:46,040 INFO L226 Difference]: Without dead ends: 87 [2021-12-17 07:47:46,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:47:46,046 INFO L933 BasicCegarLoop]: 129 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, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:47:46,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:47:46,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-17 07:47:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-17 07:47:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 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) [2021-12-17 07:47:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-12-17 07:47:46,101 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 10 [2021-12-17 07:47:46,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:47:46,101 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-12-17 07:47:46,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-12-17 07:47:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-17 07:47:46,103 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:46,103 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:46,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-17 07:47:46,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:47:46,319 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:46,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:46,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1466192473, now seen corresponding path program 1 times [2021-12-17 07:47:46,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:47:46,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512864443] [2021-12-17 07:47:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:46,321 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:47:46,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:47:46,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:47:46,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 07:47:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:47,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-17 07:47:47,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:47:47,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-17 07:47:47,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-12-17 07:47:48,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:47:48,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:47:48,599 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:47:48,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512864443] [2021-12-17 07:47:48,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512864443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:47:48,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:47:48,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 07:47:48,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898215529] [2021-12-17 07:47:48,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:47:48,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 07:47:48,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:47:48,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 07:47:48,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:47:48,602 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-12-17 07:47:48,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:47:48,803 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2021-12-17 07:47:48,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 07:47:48,804 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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 [2021-12-17 07:47:48,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:47:48,805 INFO L225 Difference]: With dead ends: 91 [2021-12-17 07:47:48,806 INFO L226 Difference]: Without dead ends: 87 [2021-12-17 07:47:48,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-17 07:47:48,807 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 2 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:47:48,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 660 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 62 Unchecked, 0.0s Time] [2021-12-17 07:47:48,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-17 07:47:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-17 07:47:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.4625) internal successors, (117), 80 states have internal predecessors, (117), 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) [2021-12-17 07:47:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 125 transitions. [2021-12-17 07:47:48,814 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 125 transitions. Word has length 12 [2021-12-17 07:47:48,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:47:48,815 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 125 transitions. [2021-12-17 07:47:48,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-12-17 07:47:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2021-12-17 07:47:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-17 07:47:48,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:48,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:48,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 07:47:49,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:47:49,018 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:49,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:49,019 INFO L85 PathProgramCache]: Analyzing trace with hash -369945613, now seen corresponding path program 1 times [2021-12-17 07:47:49,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:47:49,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719204663] [2021-12-17 07:47:49,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:49,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:47:49,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:47:49,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:47:49,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 07:47:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:49,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 07:47:49,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:47:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:47:50,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:47:50,321 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:47:50,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719204663] [2021-12-17 07:47:50,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719204663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:47:50,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:47:50,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:47:50,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729544803] [2021-12-17 07:47:50,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:47:50,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 07:47:50,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:47:50,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 07:47:50,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:47:50,323 INFO L87 Difference]: Start difference. First operand 87 states and 125 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:50,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:47:50,805 INFO L93 Difference]: Finished difference Result 175 states and 254 transitions. [2021-12-17 07:47:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:47:50,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2021-12-17 07:47:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:47:50,807 INFO L225 Difference]: With dead ends: 175 [2021-12-17 07:47:50,807 INFO L226 Difference]: Without dead ends: 100 [2021-12-17 07:47:50,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-17 07:47:50,809 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 64 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 07:47:50,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 517 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 21 Unchecked, 0.3s Time] [2021-12-17 07:47:50,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-12-17 07:47:50,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85. [2021-12-17 07:47:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 79 states have internal predecessors, (114), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 07:47:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-12-17 07:47:50,817 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 17 [2021-12-17 07:47:50,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:47:50,818 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-12-17 07:47:50,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-12-17 07:47:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-17 07:47:50,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:50,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:50,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 07:47:51,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:47:51,025 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:51,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:51,026 INFO L85 PathProgramCache]: Analyzing trace with hash -312687311, now seen corresponding path program 1 times [2021-12-17 07:47:51,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:47:51,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421582098] [2021-12-17 07:47:51,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:51,027 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:47:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:47:51,028 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:47:51,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-17 07:47:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:51,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 07:47:51,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:47:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:47:52,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:47:52,817 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:47:52,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421582098] [2021-12-17 07:47:52,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421582098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:47:52,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:47:52,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 07:47:52,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526719073] [2021-12-17 07:47:52,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:47:52,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 07:47:52,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:47:52,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 07:47:52,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:47:52,819 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:53,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:47:53,292 INFO L93 Difference]: Finished difference Result 104 states and 145 transitions. [2021-12-17 07:47:53,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 07:47:53,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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 17 [2021-12-17 07:47:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:47:53,294 INFO L225 Difference]: With dead ends: 104 [2021-12-17 07:47:53,294 INFO L226 Difference]: Without dead ends: 100 [2021-12-17 07:47:53,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 07:47:53,296 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 63 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 07:47:53,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 504 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 21 Unchecked, 0.3s Time] [2021-12-17 07:47:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-12-17 07:47:53,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85. [2021-12-17 07:47:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 79 states have internal predecessors, (113), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 07:47:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 119 transitions. [2021-12-17 07:47:53,303 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 119 transitions. Word has length 17 [2021-12-17 07:47:53,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:47:53,303 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 119 transitions. [2021-12-17 07:47:53,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-12-17 07:47:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-17 07:47:53,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:53,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:53,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-17 07:47:53,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:47:53,532 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:53,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:53,532 INFO L85 PathProgramCache]: Analyzing trace with hash 2028116593, now seen corresponding path program 1 times [2021-12-17 07:47:53,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:47:53,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626728176] [2021-12-17 07:47:53,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:53,533 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:47:53,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:47:53,534 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:47:53,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-17 07:47:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:54,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:47:54,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:47:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:47:54,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:47:54,788 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:47:54,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626728176] [2021-12-17 07:47:54,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626728176] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:47:54,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:47:54,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:47:54,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438652774] [2021-12-17 07:47:54,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:47:54,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:47:54,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:47:54,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:47:54,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:47:54,790 INFO L87 Difference]: Start difference. First operand 85 states and 119 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:47:55,289 INFO L93 Difference]: Finished difference Result 153 states and 218 transitions. [2021-12-17 07:47:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:47:55,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2021-12-17 07:47:55,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:47:55,295 INFO L225 Difference]: With dead ends: 153 [2021-12-17 07:47:55,295 INFO L226 Difference]: Without dead ends: 85 [2021-12-17 07:47:55,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:47:55,297 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 4 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 07:47:55,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 438 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 9 Unchecked, 0.3s Time] [2021-12-17 07:47:55,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-17 07:47:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-12-17 07:47:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.4177215189873418) internal successors, (112), 79 states have internal predecessors, (112), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 07:47:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 118 transitions. [2021-12-17 07:47:55,303 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 118 transitions. Word has length 17 [2021-12-17 07:47:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:47:55,303 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 118 transitions. [2021-12-17 07:47:55,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 118 transitions. [2021-12-17 07:47:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-17 07:47:55,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:55,304 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:55,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-17 07:47:55,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:47:55,514 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:55,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:55,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1106145283, now seen corresponding path program 1 times [2021-12-17 07:47:55,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:47:55,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950224580] [2021-12-17 07:47:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:55,515 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:47:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:47:55,516 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:47:55,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-17 07:47:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:56,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-17 07:47:56,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:47:56,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-17 07:47:56,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2021-12-17 07:47:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:47:58,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:47:58,307 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:47:58,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950224580] [2021-12-17 07:47:58,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950224580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:47:58,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:47:58,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 07:47:58,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043256369] [2021-12-17 07:47:58,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:47:58,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 07:47:58,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:47:58,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 07:47:58,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-17 07:47:58,309 INFO L87 Difference]: Start difference. First operand 85 states and 118 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:47:59,004 INFO L93 Difference]: Finished difference Result 89 states and 121 transitions. [2021-12-17 07:47:59,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 07:47:59,005 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-12-17 07:47:59,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:47:59,007 INFO L225 Difference]: With dead ends: 89 [2021-12-17 07:47:59,007 INFO L226 Difference]: Without dead ends: 85 [2021-12-17 07:47:59,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-17 07:47:59,010 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 3 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 07:47:59,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 601 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 38 Unchecked, 0.5s Time] [2021-12-17 07:47:59,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-17 07:47:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-12-17 07:47:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 07:47:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 117 transitions. [2021-12-17 07:47:59,019 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 117 transitions. Word has length 18 [2021-12-17 07:47:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:47:59,020 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 117 transitions. [2021-12-17 07:47:59,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:47:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2021-12-17 07:47:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-17 07:47:59,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:47:59,021 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:47:59,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-17 07:47:59,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:47:59,232 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:47:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:47:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash 66610316, now seen corresponding path program 1 times [2021-12-17 07:47:59,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:47:59,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80898778] [2021-12-17 07:47:59,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:47:59,233 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:47:59,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:47:59,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:47:59,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-17 07:47:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:47:59,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 07:47:59,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:48:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:48:01,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:48:01,230 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:48:01,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80898778] [2021-12-17 07:48:01,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80898778] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:48:01,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:48:01,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 07:48:01,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262381096] [2021-12-17 07:48:01,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:48:01,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:48:01,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:48:01,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:48:01,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:48:01,232 INFO L87 Difference]: Start difference. First operand 85 states and 117 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:48:04,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:07,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:10,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:12,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:14,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:16,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:19,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:20,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:48:20,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:48:20,781 INFO L93 Difference]: Finished difference Result 92 states and 123 transitions. [2021-12-17 07:48:20,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:48:20,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2021-12-17 07:48:20,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:48:20,830 INFO L225 Difference]: With dead ends: 92 [2021-12-17 07:48:20,830 INFO L226 Difference]: Without dead ends: 88 [2021-12-17 07:48:20,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:48:20,831 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 96 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-12-17 07:48:20,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 252 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 6 Unknown, 0 Unchecked, 18.8s Time] [2021-12-17 07:48:20,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-17 07:48:20,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2021-12-17 07:48:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 07:48:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-12-17 07:48:20,837 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 19 [2021-12-17 07:48:20,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:48:20,837 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-12-17 07:48:20,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:48:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-12-17 07:48:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-17 07:48:20,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:48:20,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:48:20,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-17 07:48:21,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:48:21,043 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:48:21,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:48:21,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2042341664, now seen corresponding path program 1 times [2021-12-17 07:48:21,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:48:21,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489562738] [2021-12-17 07:48:21,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:48:21,044 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:48:21,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:48:21,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:48:21,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-17 07:48:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:48:21,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-17 07:48:21,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:48:21,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-17 07:48:22,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2021-12-17 07:48:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:48:23,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:48:23,617 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:48:23,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489562738] [2021-12-17 07:48:23,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489562738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:48:23,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:48:23,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 07:48:23,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599082403] [2021-12-17 07:48:23,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:48:23,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 07:48:23,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:48:23,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 07:48:23,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:48:23,619 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:48:23,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:48:23,973 INFO L93 Difference]: Finished difference Result 85 states and 115 transitions. [2021-12-17 07:48:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 07:48:23,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 23 [2021-12-17 07:48:23,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:48:23,974 INFO L225 Difference]: With dead ends: 85 [2021-12-17 07:48:23,974 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 07:48:23,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-17 07:48:23,975 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 07:48:23,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 24 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 14 Unchecked, 0.1s Time] [2021-12-17 07:48:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 07:48:23,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 07:48:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:48:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 07:48:23,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-12-17 07:48:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:48:23,977 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 07:48:23,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:48:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 07:48:23,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 07:48:23,979 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:48:24,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-17 07:48:24,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:48:24,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 07:48:24,771 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2021-12-17 07:48:24,771 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2021-12-17 07:48:24,771 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2021-12-17 07:48:24,771 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-12-17 07:48:24,771 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-12-17 07:48:24,771 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-12-17 07:48:24,771 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-12-17 07:48:24,772 INFO L861 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2021-12-17 07:48:24,772 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2021-12-17 07:48:24,772 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2021-12-17 07:48:24,772 INFO L854 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2021-12-17 07:48:24,772 INFO L858 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2021-12-17 07:48:24,772 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-17 07:48:24,772 INFO L858 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2021-12-17 07:48:24,772 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L861 garLoopResultBuilder]: At program point L234(lines 216 235) the Hoare annotation is: true [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 07:48:24,773 INFO L854 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= currentRoundingMode roundNearestTiesToEven) (= ~pi~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0)))) (= |ULTIMATE.start___ieee754_atan2f_#res#1| (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))))) [2021-12-17 07:48:24,774 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-17 07:48:24,774 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-17 07:48:24,774 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2021-12-17 07:48:24,774 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2021-12-17 07:48:24,774 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2021-12-17 07:48:24,774 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-12-17 07:48:24,774 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |ULTIMATE.start___ieee754_atan2f_~y#1| .cse0) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (fp.neg (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_atan2f_~ix~2#1| (bvand (_ bv2147483647 32) .cse1))))) (= currentRoundingMode roundNearestTiesToEven) (= ~pi~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_atan2f_~hx~1#1| .cse2) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp.neg (_ +zero 8 24)))))) (= |ULTIMATE.start___ieee754_atan2f_~x#1| .cse0))) [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2021-12-17 07:48:24,775 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L854 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2021-12-17 07:48:24,776 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L854 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |ULTIMATE.start___ieee754_atan2f_~y#1| .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ~pi~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0)))) (= |ULTIMATE.start___ieee754_atan2f_~x#1| .cse0))) [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L861 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-12-17 07:48:24,777 INFO L861 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2021-12-17 07:48:24,778 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-12-17 07:48:24,778 INFO L861 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2021-12-17 07:48:24,778 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-12-17 07:48:24,778 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2021-12-17 07:48:24,778 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2021-12-17 07:48:24,778 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2021-12-17 07:48:24,778 INFO L858 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-12-17 07:48:24,779 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2021-12-17 07:48:24,780 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2021-12-17 07:48:24,782 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:48:24,783 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:48:24,791 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,792 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,793 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,795 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,795 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,795 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,795 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,797 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,797 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:48:24 BoogieIcfgContainer [2021-12-17 07:48:24,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:48:24,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:48:24,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:48:24,802 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:48:24,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:47:44" (3/4) ... [2021-12-17 07:48:24,804 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 07:48:24,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-12-17 07:48:24,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2021-12-17 07:48:24,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-12-17 07:48:24,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-17 07:48:24,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-17 07:48:24,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 07:48:24,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16 : bv32 :: hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2021-12-17 07:48:24,836 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) [2021-12-17 07:48:24,863 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 07:48:24,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:48:24,864 INFO L158 Benchmark]: Toolchain (without parser) took 52123.58ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 31.4MB in the beginning and 38.4MB in the end (delta: -7.0MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2021-12-17 07:48:24,864 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 60.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:48:24,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.75ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.2MB in the beginning and 55.2MB in the end (delta: -24.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-17 07:48:24,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.85ms. Allocated memory is still 75.5MB. Free memory was 55.0MB in the beginning and 52.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:48:24,865 INFO L158 Benchmark]: Boogie Preprocessor took 66.35ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 50.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:48:24,865 INFO L158 Benchmark]: RCFGBuilder took 11802.99ms. Allocated memory is still 75.5MB. Free memory was 49.9MB in the beginning and 45.0MB in the end (delta: 5.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-17 07:48:24,866 INFO L158 Benchmark]: TraceAbstraction took 39817.53ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 44.7MB in the beginning and 45.7MB in the end (delta: -1.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-12-17 07:48:24,866 INFO L158 Benchmark]: Witness Printer took 61.72ms. Allocated memory is still 104.9MB. Free memory was 45.7MB in the beginning and 38.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:48:24,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 60.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.75ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.2MB in the beginning and 55.2MB in the end (delta: -24.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.85ms. Allocated memory is still 75.5MB. Free memory was 55.0MB in the beginning and 52.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.35ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 50.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11802.99ms. Allocated memory is still 75.5MB. Free memory was 49.9MB in the beginning and 45.0MB in the end (delta: 5.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 39817.53ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 44.7MB in the beginning and 45.7MB in the end (delta: -1.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Witness Printer took 61.72ms. Allocated memory is still 104.9MB. Free memory was 45.7MB in the beginning and 38.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 3125 SdHoareTripleChecker+Invalid, 19.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 165 IncrementalHoareTripleChecker+Unchecked, 2340 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 785 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 42 PreInvPairs, 46 NumberOfFragments, 155 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 41 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 125 ConstructedInterpolants, 28 QuantifiedInterpolants, 1635 SizeOfPredicates, 56 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant [2021-12-17 07:48:24,880 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,881 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 120]: Loop Invariant [2021-12-17 07:48:24,884 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,888 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,889 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,889 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,889 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,891 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,891 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,891 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000))) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant [2021-12-17 07:48:24,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,893 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2021-12-17 07:48:24,895 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:48:24,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] [2021-12-17 07:48:24,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16,QUANTIFIED] Derived loop invariant: (((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && y == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16 : bv32 :: hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_16][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) RESULT: Ultimate proved your program to be correct! [2021-12-17 07:48:25,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE