./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 ab5598c01323757ea13d8736264be9a75fd570c8 .......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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 ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 ab5598c01323757ea13d8736264be9a75fd570c8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:39:03,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:39:03,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:39:03,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:39:03,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:39:03,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:39:03,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:39:03,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:39:03,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:39:03,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:39:03,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:39:03,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:39:03,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:39:03,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:39:03,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:39:03,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:39:03,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:39:03,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:39:03,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:39:03,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:39:03,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:39:03,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:39:03,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:39:03,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:39:03,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:39:03,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:39:03,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:39:03,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:39:03,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:39:03,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:39:03,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:39:03,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:39:03,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:39:03,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:39:03,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:39:03,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:39:03,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:39:03,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:39:03,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:39:03,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:39:03,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:39:03,212 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:39:03,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:39:03,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:39:03,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:39:03,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:39:03,273 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:39:03,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:39:03,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:39:03,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:39:03,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:39:03,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:39:03,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:39:03,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:39:03,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:39:03,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:39:03,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:39:03,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:39:03,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:39:03,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:39:03,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:39:03,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:39:03,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:39:03,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:03,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:39:03,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:39:03,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:39:03,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:39:03,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:39:03,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:39:03,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:39:03,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab5598c01323757ea13d8736264be9a75fd570c8 [2020-12-02 15:39:03,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:39:03,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:39:03,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:39:03,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:39:03,729 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:39:03,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c [2020-12-02 15:39:03,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680771096/e5377027a6084dbfb0f5632725e9168d/FLAG4a32320f2 [2020-12-02 15:39:04,545 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:39:04,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c [2020-12-02 15:39:04,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680771096/e5377027a6084dbfb0f5632725e9168d/FLAG4a32320f2 [2020-12-02 15:39:04,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680771096/e5377027a6084dbfb0f5632725e9168d [2020-12-02 15:39:04,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:39:04,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:39:04,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:04,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:39:04,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:39:04,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:04" (1/1) ... [2020-12-02 15:39:04,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3206f88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04, skipping insertion in model container [2020-12-02 15:39:04,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:04" (1/1) ... [2020-12-02 15:39:04,901 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:39:04,948 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:39:05,195 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c[4369,4382] [2020-12-02 15:39:05,202 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:05,223 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:39:05,325 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c[4369,4382] [2020-12-02 15:39:05,329 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:05,364 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:39:05,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05 WrapperNode [2020-12-02 15:39:05,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:05,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:05,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:39:05,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:39:05,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:05,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:39:05,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:39:05,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:39:05,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... [2020-12-02 15:39:05,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:39:05,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:39:05,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:39:05,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:39:05,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:39:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:39:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:39:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:39:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:39:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:39:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:39:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:39:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:39:06,439 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:39:06,440 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-02 15:39:06,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:06 BoogieIcfgContainer [2020-12-02 15:39:06,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:39:06,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:39:06,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:39:06,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:39:06,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:04" (1/3) ... [2020-12-02 15:39:06,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29703cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:06, skipping insertion in model container [2020-12-02 15:39:06,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:05" (2/3) ... [2020-12-02 15:39:06,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29703cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:06, skipping insertion in model container [2020-12-02 15:39:06,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:06" (3/3) ... [2020-12-02 15:39:06,449 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490a.c [2020-12-02 15:39:06,465 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:39:06,469 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:39:06,481 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:39:06,511 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:39:06,511 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:39:06,511 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:39:06,511 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:39:06,512 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:39:06,512 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:39:06,512 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:39:06,512 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:39:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-12-02 15:39:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:39:06,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:06,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:06,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:06,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:06,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2020-12-02 15:39:06,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:39:06,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851653741] [2020-12-02 15:39:06,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:39:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:06,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851653741] [2020-12-02 15:39:06,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:06,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:39:06,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003949817] [2020-12-02 15:39:06,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:39:06,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:39:06,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:39:06,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:06,766 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-12-02 15:39:06,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:06,797 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2020-12-02 15:39:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:39:06,799 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:39:06,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:06,811 INFO L225 Difference]: With dead ends: 142 [2020-12-02 15:39:06,812 INFO L226 Difference]: Without dead ends: 69 [2020-12-02 15:39:06,816 INFO L677 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 [2020-12-02 15:39:06,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-02 15:39:06,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-12-02 15:39:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-02 15:39:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2020-12-02 15:39:06,864 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2020-12-02 15:39:06,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:06,865 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2020-12-02 15:39:06,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:39:06,865 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-12-02 15:39:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:39:06,866 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:06,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:06,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:39:06,867 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:06,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:06,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2020-12-02 15:39:06,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:39:06,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743345773] [2020-12-02 15:39:06,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:39:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:39:06,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:39:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:39:06,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:39:07,001 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:39:07,002 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:39:07,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:39:07,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:39:07 BoogieIcfgContainer [2020-12-02 15:39:07,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:39:07,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:39:07,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:39:07,046 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:39:07,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:06" (3/4) ... [2020-12-02 15:39:07,050 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:39:07,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:39:07,055 INFO L168 Benchmark]: Toolchain (without parser) took 2194.96 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.8 MB in the beginning and 18.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:07,057 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:39:07,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.76 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.6 MB in the beginning and 34.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:07,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.20 ms. Allocated memory is still 50.3 MB. Free memory was 34.9 MB in the beginning and 32.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:07,068 INFO L168 Benchmark]: Boogie Preprocessor took 112.67 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 30.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:07,071 INFO L168 Benchmark]: RCFGBuilder took 885.78 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 31.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:07,072 INFO L168 Benchmark]: TraceAbstraction took 601.46 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 18.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:07,074 INFO L168 Benchmark]: Witness Printer took 5.58 ms. Allocated memory is still 50.3 MB. Free memory was 18.5 MB in the beginning and 18.3 MB in the end (delta: 274.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:39:07,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 506.76 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.6 MB in the beginning and 34.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.20 ms. Allocated memory is still 50.3 MB. Free memory was 34.9 MB in the beginning and 32.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.67 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 30.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 885.78 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 31.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 601.46 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 18.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.58 ms. Allocated memory is still 50.3 MB. Free memory was 18.5 MB in the beginning and 18.3 MB in the end (delta: 274.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 89, overapproximation of bitwiseAnd at line 103, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 170. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L170] float x = 1.0f / 0.0f; [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L104] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L171] float res = __ieee754_acosf(x); [L15] return x != x; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L174] COND TRUE !isnan_float(res) [L175] reach_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:39:09,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:39:09,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:39:09,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-02 15:39:09,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:39:09,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:39:09,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:39:09,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:39:09,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:39:09,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:39:09,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:39:09,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:39:09,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:39:09,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:39:09,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:39:09,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:39:09,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-02 15:39:09,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:39:09,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:39:09,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:39:09,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:39:09,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:39:09,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:39:09,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:39:09,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:39:09,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:39:09,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:39:09,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:39:09,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:39:09,772 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:39:09,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:39:09,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:39:09,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:39:09,774 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:39:09,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:39:09,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:39:09,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:39:09,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:39:09,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:39:09,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:39:09,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:39:09,776 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:39:09,776 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:39:09,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:39:09,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:39:09,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:39:09,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:39:09,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:39:09,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:39:09,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:39:09,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:39:09,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:09,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:39:09,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:39:09,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:39:09,780 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:39:09,780 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:39:09,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:39:09,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:39:09,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:39:09,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab5598c01323757ea13d8736264be9a75fd570c8 [2020-12-02 15:39:10,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:39:10,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:39:10,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:39:10,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:39:10,263 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:39:10,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c [2020-12-02 15:39:10,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e59d5ef/b4ca3a894d644e569df33a6a0a7cd056/FLAGd5193eadf [2020-12-02 15:39:11,086 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:39:11,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c [2020-12-02 15:39:11,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e59d5ef/b4ca3a894d644e569df33a6a0a7cd056/FLAGd5193eadf [2020-12-02 15:39:11,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e59d5ef/b4ca3a894d644e569df33a6a0a7cd056 [2020-12-02 15:39:11,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:39:11,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:39:11,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:11,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:39:11,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:39:11,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:11" (1/1) ... [2020-12-02 15:39:11,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485582e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:11, skipping insertion in model container [2020-12-02 15:39:11,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:11" (1/1) ... [2020-12-02 15:39:11,518 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:39:11,572 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:39:11,835 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c[4369,4382] [2020-12-02 15:39:11,841 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:11,891 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:39:11,999 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0490a.c[4369,4382] [2020-12-02 15:39:12,002 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:12,041 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:39:12,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12 WrapperNode [2020-12-02 15:39:12,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:12,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:12,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:39:12,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:39:12,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:12,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:39:12,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:39:12,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:39:12,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2020-12-02 15:39:12,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:39:12,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:39:12,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:39:12,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:39:12,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:39:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:39:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:39:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 15:39:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:39:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:39:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:39:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 15:39:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:39:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:39:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:39:26,516 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:39:26,516 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-02 15:39:26,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:26 BoogieIcfgContainer [2020-12-02 15:39:26,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:39:26,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:39:26,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:39:26,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:39:26,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:11" (1/3) ... [2020-12-02 15:39:26,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c70bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:26, skipping insertion in model container [2020-12-02 15:39:26,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (2/3) ... [2020-12-02 15:39:26,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c70bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:26, skipping insertion in model container [2020-12-02 15:39:26,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:26" (3/3) ... [2020-12-02 15:39:26,532 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0490a.c [2020-12-02 15:39:26,548 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:39:26,553 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:39:26,566 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:39:26,595 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:39:26,595 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:39:26,595 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:39:26,595 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:39:26,596 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:39:26,596 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:39:26,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:39:26,596 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:39:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-12-02 15:39:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:39:26,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:26,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:26,621 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:26,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:26,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1036075531, now seen corresponding path program 1 times [2020-12-02 15:39:26,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:26,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717602738] [2020-12-02 15:39:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:39:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:27,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:39:27,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:27,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:27,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717602738] [2020-12-02 15:39:27,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:27,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:39:27,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885053965] [2020-12-02 15:39:27,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:39:27,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:27,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:39:27,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:27,680 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-12-02 15:39:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:27,707 INFO L93 Difference]: Finished difference Result 142 states and 234 transitions. [2020-12-02 15:39:27,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:39:27,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:39:27,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:27,722 INFO L225 Difference]: With dead ends: 142 [2020-12-02 15:39:27,722 INFO L226 Difference]: Without dead ends: 69 [2020-12-02 15:39:27,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:27,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-02 15:39:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-12-02 15:39:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-02 15:39:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2020-12-02 15:39:27,779 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2020-12-02 15:39:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:27,780 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2020-12-02 15:39:27,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:39:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-12-02 15:39:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:39:27,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:27,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:27,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:39:27,998 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:28,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:28,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1299231666, now seen corresponding path program 1 times [2020-12-02 15:39:28,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:28,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091097707] [2020-12-02 15:39:28,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:39:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:29,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:39:29,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:30,076 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 15:39:34,163 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 15:39:40,410 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 15:39:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:40,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:43,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091097707] [2020-12-02 15:39:43,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:43,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:39:43,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326722656] [2020-12-02 15:39:43,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:39:43,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:43,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:39:43,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-02 15:39:43,899 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand 9 states. [2020-12-02 15:39:47,215 WARN L197 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:39:53,977 WARN L197 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 36 [2020-12-02 15:40:02,521 WARN L197 SmtUtils]: Spent 7.03 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 15:40:06,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:40:06,422 INFO L93 Difference]: Finished difference Result 74 states and 100 transitions. [2020-12-02 15:40:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:40:06,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-12-02 15:40:06,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:40:06,584 INFO L225 Difference]: With dead ends: 74 [2020-12-02 15:40:06,584 INFO L226 Difference]: Without dead ends: 12 [2020-12-02 15:40:06,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-02 15:40:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-02 15:40:06,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-02 15:40:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-02 15:40:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-02 15:40:06,589 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2020-12-02 15:40:06,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:40:06,589 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-02 15:40:06,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:40:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-02 15:40:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:40:06,590 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:40:06,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:40:06,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:40:06,792 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:40:06,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:40:06,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1092362962, now seen corresponding path program 1 times [2020-12-02 15:40:06,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:40:06,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162779606] [2020-12-02 15:40:06,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:40:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:40:08,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 15:40:08,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:40:09,353 WARN L197 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:40:11,495 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet147_8| (_ BitVec 32)) (ULTIMATE.start___ieee754_acosf_~x (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet148_8| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~x))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet147_8|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet148_8|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|)))) (and (= (fp.sub roundNearestTiesToEven .cse0 .cse0) .cse1) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse2) (= (_ +zero 8 24) .cse3) (= .cse0 (fp.div roundNearestTiesToEven .cse2 .cse3)) (= (fp.div roundNearestTiesToEven .cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|))) (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_acosf_#res|)))))) is different from false [2020-12-02 15:40:11,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:40:11,533 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:40:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:40:12,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:40:15,949 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#res_13| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#res_13|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#res_13|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#res_13|)))) (or (not (= (let ((.cse0 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_acosf_~x)))) (fp.sub c_~CRM .cse0 .cse0)) .cse1)) (not (= (fp.div c_~CRM .cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|))) .cse2)) (not (fp.eq .cse2 .cse2))))) is different from true [2020-12-02 15:40:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:40:16,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162779606] [2020-12-02 15:40:16,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:40:16,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 15:40:16,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879441653] [2020-12-02 15:40:16,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 15:40:16,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:40:16,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 15:40:16,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2020-12-02 15:40:16,490 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 11 states. [2020-12-02 15:40:20,905 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet147_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet148_8| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet147_8|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet148_8|)))) (and (= ((_ to_fp 8 24) c_~CRM 1.0) .cse0) (= (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_acosf_~x)) (fp.div c_~CRM .cse0 .cse1)) (= (_ +zero 8 24) .cse1)))) (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#res_13| (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#res_13|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#res_13|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#res_13|)))) (or (not (= (let ((.cse2 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_acosf_~x)))) (fp.sub c_~CRM .cse2 .cse2)) .cse3)) (not (= (fp.div c_~CRM .cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|))) .cse4)) (not (fp.eq .cse4 .cse4)))))) is different from true [2020-12-02 15:40:22,995 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet147_8| (_ BitVec 32)) (ULTIMATE.start___ieee754_acosf_~x (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet148_8| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~x))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet147_8|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet148_8|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet47_6|)))) (and (= (fp.sub roundNearestTiesToEven .cse0 .cse0) .cse1) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse2) (= (_ +zero 8 24) .cse3) (= .cse0 (fp.div roundNearestTiesToEven .cse2 .cse3)) (= (fp.div roundNearestTiesToEven .cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet48_6|))) (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_acosf_#res|)))))) (not (let ((.cse4 (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_acosf_#res|)))) (fp.eq .cse4 .cse4)))) is different from false [2020-12-02 15:40:23,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:40:23,178 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-02 15:40:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:40:23,178 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2020-12-02 15:40:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:40:23,179 INFO L225 Difference]: With dead ends: 12 [2020-12-02 15:40:23,179 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:40:23,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=32, Invalid=70, Unknown=4, NotChecked=76, Total=182 [2020-12-02 15:40:23,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:40:23,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:40:23,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:40:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:40:23,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-02 15:40:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:40:23,181 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:40:23,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 15:40:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:40:23,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:40:23,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:40:23,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:40:32,096 WARN L197 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-12-02 15:40:34,262 WARN L197 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 47 DAG size of output: 7 [2020-12-02 15:40:34,298 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-02 15:40:34,299 INFO L262 CegarLoopResult]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2020-12-02 15:40:34,299 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:40:34,299 INFO L262 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2020-12-02 15:40:34,299 INFO L262 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2020-12-02 15:40:34,299 INFO L262 CegarLoopResult]: For program point L104(lines 104 111) no Hoare annotation was computed. [2020-12-02 15:40:34,299 INFO L258 CegarLoopResult]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2020-12-02 15:40:34,300 INFO L262 CegarLoopResult]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2020-12-02 15:40:34,300 INFO L258 CegarLoopResult]: At program point L55-6(lines 55 64) the Hoare annotation is: false [2020-12-02 15:40:34,300 INFO L262 CegarLoopResult]: For program point L55-7(lines 19 84) no Hoare annotation was computed. [2020-12-02 15:40:34,300 INFO L262 CegarLoopResult]: For program point L105(lines 105 108) no Hoare annotation was computed. [2020-12-02 15:40:34,300 INFO L262 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-12-02 15:40:34,300 INFO L262 CegarLoopResult]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2020-12-02 15:40:34,301 INFO L262 CegarLoopResult]: For program point L40-3(lines 40 44) no Hoare annotation was computed. [2020-12-02 15:40:34,301 INFO L262 CegarLoopResult]: For program point L40-5(lines 40 44) no Hoare annotation was computed. [2020-12-02 15:40:34,301 INFO L262 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-12-02 15:40:34,301 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2020-12-02 15:40:34,301 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2020-12-02 15:40:34,301 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2020-12-02 15:40:34,301 INFO L262 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-12-02 15:40:34,302 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-12-02 15:40:34,302 INFO L262 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-12-02 15:40:34,302 INFO L262 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2020-12-02 15:40:34,302 INFO L258 CegarLoopResult]: At program point L24-6(lines 24 28) the Hoare annotation is: false [2020-12-02 15:40:34,302 INFO L262 CegarLoopResult]: For program point L24-7(lines 24 28) no Hoare annotation was computed. [2020-12-02 15:40:34,303 INFO L262 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2020-12-02 15:40:34,303 INFO L258 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2020-12-02 15:40:34,303 INFO L262 CegarLoopResult]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2020-12-02 15:40:34,303 INFO L262 CegarLoopResult]: For program point L41-7(lines 41 42) no Hoare annotation was computed. [2020-12-02 15:40:34,303 INFO L258 CegarLoopResult]: At program point L41-8(lines 41 42) the Hoare annotation is: false [2020-12-02 15:40:34,304 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:40:34,304 INFO L262 CegarLoopResult]: For program point L41-9(lines 41 42) no Hoare annotation was computed. [2020-12-02 15:40:34,304 INFO L262 CegarLoopResult]: For program point L124(lines 124 161) no Hoare annotation was computed. [2020-12-02 15:40:34,304 INFO L262 CegarLoopResult]: For program point L174(lines 174 177) no Hoare annotation was computed. [2020-12-02 15:40:34,304 INFO L262 CegarLoopResult]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2020-12-02 15:40:34,305 INFO L258 CegarLoopResult]: At program point L141-2(lines 141 145) the Hoare annotation is: false [2020-12-02 15:40:34,305 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-02 15:40:34,305 INFO L262 CegarLoopResult]: For program point L109(lines 109 111) no Hoare annotation was computed. [2020-12-02 15:40:34,305 INFO L258 CegarLoopResult]: At program point L160(lines 95 162) the Hoare annotation is: (not (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_#res|)))) (fp.eq .cse0 .cse0))) [2020-12-02 15:40:34,305 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:40:34,305 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-12-02 15:40:34,305 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-12-02 15:40:34,305 INFO L262 CegarLoopResult]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L258 CegarLoopResult]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L78-7(lines 78 82) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L112(lines 112 161) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L265 CegarLoopResult]: At program point L179(lines 164 180) the Hoare annotation is: true [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L146(lines 146 150) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L146-1(lines 136 161) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2020-12-02 15:40:34,306 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-12-02 15:40:34,307 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-12-02 15:40:34,307 INFO L262 CegarLoopResult]: For program point L47-3(lines 47 48) no Hoare annotation was computed. [2020-12-02 15:40:34,307 INFO L262 CegarLoopResult]: For program point L47-5(lines 47 48) no Hoare annotation was computed. [2020-12-02 15:40:34,307 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-02 15:40:34,307 INFO L262 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-12-02 15:40:34,308 INFO L258 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) [2020-12-02 15:40:34,308 INFO L262 CegarLoopResult]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2020-12-02 15:40:34,308 INFO L258 CegarLoopResult]: At program point L98-2(lines 98 102) the Hoare annotation is: (and (= roundNearestTiesToEven ~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet148_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet147_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet147_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet147_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet147_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet148_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet148_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet148_6|)))) (and (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= .cse1 (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~x)) (fp.div roundNearestTiesToEven .cse0 .cse1)))))) [2020-12-02 15:40:34,308 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:40:34,309 INFO L262 CegarLoopResult]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2020-12-02 15:40:34,309 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-12-02 15:40:34,309 INFO L262 CegarLoopResult]: For program point L66(lines 66 75) no Hoare annotation was computed. [2020-12-02 15:40:34,309 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2020-12-02 15:40:34,309 INFO L258 CegarLoopResult]: At program point L83(lines 19 84) the Hoare annotation is: false [2020-12-02 15:40:34,310 INFO L258 CegarLoopResult]: At program point L83-1(lines 19 84) the Hoare annotation is: false [2020-12-02 15:40:34,310 INFO L262 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-12-02 15:40:34,310 INFO L262 CegarLoopResult]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2020-12-02 15:40:34,310 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-12-02 15:40:34,310 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 74) no Hoare annotation was computed. [2020-12-02 15:40:34,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:40:34 BoogieIcfgContainer [2020-12-02 15:40:34,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:40:34,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:40:34,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:40:34,343 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:40:34,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:26" (3/4) ... [2020-12-02 15:40:34,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 15:40:34,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-02 15:40:34,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-02 15:40:34,391 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:40:34,392 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:40:34,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~roundNearestTiesToEven == unknown-~CRM-unknown && (\exists v_ULTIMATE.start_main_#t~nondet148_6 : bv32, v_ULTIMATE.start_main_#t~nondet147_6 : bv32 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) && ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]))) [2020-12-02 15:40:34,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) [2020-12-02 15:40:34,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1bv32 == \result [2020-12-02 15:40:34,613 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:40:34,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:40:34,615 INFO L168 Benchmark]: Toolchain (without parser) took 83156.54 ms. Allocated memory was 41.9 MB in the beginning and 67.1 MB in the end (delta: 25.2 MB). Free memory was 17.7 MB in the beginning and 19.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:34,616 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:40:34,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.69 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 17.5 MB in the beginning and 33.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:34,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.80 ms. Allocated memory is still 54.5 MB. Free memory was 33.5 MB in the beginning and 28.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:34,617 INFO L168 Benchmark]: Boogie Preprocessor took 104.77 ms. Allocated memory is still 54.5 MB. Free memory was 28.8 MB in the beginning and 25.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:34,618 INFO L168 Benchmark]: RCFGBuilder took 14278.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.2 MB in the beginning and 29.2 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:34,618 INFO L168 Benchmark]: TraceAbstraction took 67821.31 ms. Allocated memory is still 67.1 MB. Free memory was 28.9 MB in the beginning and 33.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:34,619 INFO L168 Benchmark]: Witness Printer took 271.68 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 19.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:34,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 578.69 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 17.5 MB in the beginning and 33.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.80 ms. Allocated memory is still 54.5 MB. Free memory was 33.5 MB in the beginning and 28.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.77 ms. Allocated memory is still 54.5 MB. Free memory was 28.8 MB in the beginning and 25.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14278.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.2 MB in the beginning and 29.2 MB in the end (delta: -4.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 67821.31 ms. Allocated memory is still 67.1 MB. Free memory was 28.9 MB in the beginning and 33.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Witness Printer took 271.68 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 19.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_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_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_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_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_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_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_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_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_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_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) - InvariantResult [Line: 98]: Loop Invariant [2020-12-02 15:40:34,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:34,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:40:34,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:40:34,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] Derived loop invariant: ~roundNearestTiesToEven == unknown-~CRM-unknown && (\exists v_ULTIMATE.start_main_#t~nondet148_6 : bv32, v_ULTIMATE.start_main_#t~nondet147_6 : bv32 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) && ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]))) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 29.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 109 SDtfs, 20 SDslu, 31 SDs, 0 SdLazy, 18 SolverSat, 1 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 47.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 81 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 209 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 15 QuantifiedInterpolants, 9652 SizeOfPredicates, 15 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 proved your program to be correct! Received shutdown request...