./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0663a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3e5ce664 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/double_req_bl_0663a.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 597c506d0b3fc33883fce44a91a8553df19930fc ..................................................................................................................................................................................................................................................................................................................................... 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/double_req_bl_0663a.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 597c506d0b3fc33883fce44a91a8553df19930fc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-3e5ce66 [2020-12-02 21:21:05,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:21:05,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:21:05,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:21:05,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:21:05,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:21:05,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:21:05,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:21:05,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:21:05,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:21:05,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:21:05,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:21:05,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:21:05,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:21:05,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:21:05,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:21:05,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:21:05,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:21:05,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:21:05,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:21:05,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:21:05,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:21:05,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:21:05,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:21:05,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:21:05,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:21:05,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:21:05,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:21:05,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:21:05,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:21:05,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:21:05,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:21:05,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:21:05,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:21:05,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:21:05,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:21:05,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:21:05,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:21:05,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:21:05,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:21:05,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:21:05,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 21:21:05,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:21:05,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:21:05,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:21:05,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:21:05,246 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:21:05,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:21:05,246 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:21:05,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 21:21:05,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:21:05,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:21:05,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:21:05,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:21:05,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:21:05,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:21:05,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:21:05,249 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:21:05,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:21:05,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:21:05,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:21:05,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:21:05,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:21:05,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:21:05,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:21:05,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:21:05,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 21:21:05,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 21:21:05,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:21:05,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:21:05,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 597c506d0b3fc33883fce44a91a8553df19930fc [2020-12-02 21:21:05,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:21:05,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:21:05,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:21:05,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:21:05,720 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:21:05,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0663a.c [2020-12-02 21:21:05,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f9e04d6/f691e49d9e5d434ab96aa249968967bb/FLAGf1d0da311 [2020-12-02 21:21:06,440 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:21:06,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0663a.c [2020-12-02 21:21:06,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f9e04d6/f691e49d9e5d434ab96aa249968967bb/FLAGf1d0da311 [2020-12-02 21:21:06,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f9e04d6/f691e49d9e5d434ab96aa249968967bb [2020-12-02 21:21:06,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:21:06,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:21:06,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:06,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:21:06,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:21:06,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:06" (1/1) ... [2020-12-02 21:21:06,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cbfea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:06, skipping insertion in model container [2020-12-02 21:21:06,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:06" (1/1) ... [2020-12-02 21:21:06,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:21:06,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:21:07,249 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/double_req_bl_0663a.c[6220,6233] [2020-12-02 21:21:07,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:07,264 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:21:07,318 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/double_req_bl_0663a.c[6220,6233] [2020-12-02 21:21:07,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:07,342 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:21:07,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07 WrapperNode [2020-12-02 21:21:07,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:07,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:07,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:21:07,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:21:07,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:07,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:21:07,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:21:07,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:21:07,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (1/1) ... [2020-12-02 21:21:07,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:21:07,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:21:07,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:21:07,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:21:07,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (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 21:21:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 21:21:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:21:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 21:21:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 21:21:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 21:21:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:21:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:21:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 21:21:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-02 21:21:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:21:08,633 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:21:08,633 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-02 21:21:08,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:08 BoogieIcfgContainer [2020-12-02 21:21:08,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:21:08,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:21:08,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:21:08,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:21:08,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:21:06" (1/3) ... [2020-12-02 21:21:08,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3daa74b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:21:08, skipping insertion in model container [2020-12-02 21:21:08,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:07" (2/3) ... [2020-12-02 21:21:08,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3daa74b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:21:08, skipping insertion in model container [2020-12-02 21:21:08,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:08" (3/3) ... [2020-12-02 21:21:08,647 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2020-12-02 21:21:08,665 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:21:08,670 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:21:08,683 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:21:08,712 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:21:08,713 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:21:08,713 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:21:08,713 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:21:08,713 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:21:08,714 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:21:08,714 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:21:08,714 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:21:08,732 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-02 21:21:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:21:08,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:21:08,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:21:08,739 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:21:08,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:21:08,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-02 21:21:08,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:21:08,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057078607] [2020-12-02 21:21:08,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:21:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:21:08,967 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 21:21:08,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057078607] [2020-12-02 21:21:08,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:21:08,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 21:21:08,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791135698] [2020-12-02 21:21:08,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:21:08,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 21:21:08,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:21:08,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:21:08,992 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-02 21:21:09,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:21:09,027 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-02 21:21:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:21:09,029 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 21:21:09,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:21:09,043 INFO L225 Difference]: With dead ends: 227 [2020-12-02 21:21:09,043 INFO L226 Difference]: Without dead ends: 111 [2020-12-02 21:21:09,047 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 21:21:09,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-02 21:21:09,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-02 21:21:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-02 21:21:09,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-02 21:21:09,097 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-02 21:21:09,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:21:09,097 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-02 21:21:09,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:21:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-02 21:21:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 21:21:09,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:21:09,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:21:09,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 21:21:09,099 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:21:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:21:09,101 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-02 21:21:09,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:21:09,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579671790] [2020-12-02 21:21:09,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:21:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:21:09,194 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:21:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:21:09,316 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:21:09,349 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 21:21:09,350 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 21:21:09,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 21:21:09,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:21:09 BoogieIcfgContainer [2020-12-02 21:21:09,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:21:09,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:21:09,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:21:09,406 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:21:09,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:08" (3/4) ... [2020-12-02 21:21:09,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 21:21:09,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:21:09,414 INFO L168 Benchmark]: Toolchain (without parser) took 2600.77 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 25.8 MB in the beginning and 41.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,415 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 35.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 20.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:21:09,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.57 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 22.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.59 ms. Allocated memory is still 48.2 MB. Free memory was 22.3 MB in the beginning and 30.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,418 INFO L168 Benchmark]: Boogie Preprocessor took 68.90 ms. Allocated memory is still 48.2 MB. Free memory was 30.5 MB in the beginning and 27.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,419 INFO L168 Benchmark]: RCFGBuilder took 1135.69 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.3 MB in the beginning and 31.8 MB in the end (delta: -4.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,420 INFO L168 Benchmark]: TraceAbstraction took 766.84 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 41.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2020-12-02 21:21:09,421 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 71.3 MB. Free memory was 41.4 MB in the beginning and 41.0 MB in the end (delta: 397.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:21:09,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 35.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 20.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 528.57 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 22.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.59 ms. Allocated memory is still 48.2 MB. Free memory was 22.3 MB in the beginning and 30.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.90 ms. Allocated memory is still 48.2 MB. Free memory was 30.5 MB in the beginning and 27.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1135.69 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.3 MB in the beginning and 31.8 MB in the end (delta: -4.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 766.84 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 41.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.65 ms. Allocated memory is still 71.3 MB. Free memory was 41.4 MB in the beginning and 41.0 MB in the end (delta: 397.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 262]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 253, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] reach_error() VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 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=115occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.2.0-3e5ce66 [2020-12-02 21:21:12,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:21:12,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:21:12,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-02 21:21:12,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:21:12,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:21:12,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:21:12,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:21:12,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:21:12,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:21:12,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:21:12,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:21:12,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:21:12,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:21:12,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:21:12,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:21:12,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-02 21:21:12,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:21:12,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:21:12,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:21:12,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:21:12,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:21:12,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:21:12,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:21:12,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:21:12,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:21:12,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:21:12,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:21:12,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 21:21:12,199 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:21:12,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:21:12,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:21:12,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:21:12,204 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:21:12,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:21:12,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:21:12,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:21:12,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:21:12,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:21:12,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:21:12,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:21:12,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 21:21:12,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 21:21:12,208 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:21:12,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:21:12,208 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:21:12,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:21:12,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:21:12,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:21:12,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:21:12,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:21:12,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:21:12,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:21:12,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:21:12,211 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 21:21:12,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-02 21:21:12,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:21:12,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:21:12,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 21:21:12,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 597c506d0b3fc33883fce44a91a8553df19930fc [2020-12-02 21:21:12,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:21:12,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:21:12,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:21:12,731 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:21:12,733 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:21:12,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0663a.c [2020-12-02 21:21:12,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb5e349b/4f8a9793352d41f8ba529bf80687df24/FLAGbdb002c55 [2020-12-02 21:21:13,443 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:21:13,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0663a.c [2020-12-02 21:21:13,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb5e349b/4f8a9793352d41f8ba529bf80687df24/FLAGbdb002c55 [2020-12-02 21:21:13,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb5e349b/4f8a9793352d41f8ba529bf80687df24 [2020-12-02 21:21:13,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:21:13,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:21:13,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:13,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:21:13,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:21:13,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:13" (1/1) ... [2020-12-02 21:21:13,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693b237e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:13, skipping insertion in model container [2020-12-02 21:21:13,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:13" (1/1) ... [2020-12-02 21:21:13,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:21:13,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:21:14,152 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/double_req_bl_0663a.c[6220,6233] [2020-12-02 21:21:14,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:14,183 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:21:14,295 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/double_req_bl_0663a.c[6220,6233] [2020-12-02 21:21:14,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:21:14,326 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:21:14,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14 WrapperNode [2020-12-02 21:21:14,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:21:14,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:14,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:21:14,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:21:14,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:21:14,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:21:14,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:21:14,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:21:14,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (1/1) ... [2020-12-02 21:21:14,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:21:14,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:21:14,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:21:14,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:21:14,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (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 21:21:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 21:21:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 21:21:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 21:21:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:21:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 21:21:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 21:21:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:21:14,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:21:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 21:21:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:22:06,506 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:22:06,507 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-02 21:22:06,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:06 BoogieIcfgContainer [2020-12-02 21:22:06,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:22:06,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:22:06,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:22:06,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:22:06,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:21:13" (1/3) ... [2020-12-02 21:22:06,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740dd41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:22:06, skipping insertion in model container [2020-12-02 21:22:06,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:14" (2/3) ... [2020-12-02 21:22:06,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740dd41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:22:06, skipping insertion in model container [2020-12-02 21:22:06,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:06" (3/3) ... [2020-12-02 21:22:06,519 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2020-12-02 21:22:06,536 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:22:06,542 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:22:06,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:22:06,587 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:22:06,587 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:22:06,588 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:22:06,588 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:22:06,588 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:22:06,588 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:22:06,588 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:22:06,588 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:22:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-02 21:22:06,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:22:06,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:22:06,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:22:06,617 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:22:06,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:22:06,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-02 21:22:06,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:22:06,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638221263] [2020-12-02 21:22:06,640 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 21:22:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:22:07,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 21:22:07,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:22:07,122 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 21:22:07,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:22:07,149 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 21:22:07,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638221263] [2020-12-02 21:22:07,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:22:07,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 21:22:07,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411006595] [2020-12-02 21:22:07,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:22:07,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:22:07,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:22:07,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:22:07,188 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-02 21:22:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:22:07,225 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-02 21:22:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:22:07,227 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 21:22:07,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:22:07,240 INFO L225 Difference]: With dead ends: 227 [2020-12-02 21:22:07,241 INFO L226 Difference]: Without dead ends: 111 [2020-12-02 21:22:07,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 21:22:07,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-02 21:22:07,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-02 21:22:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-02 21:22:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-02 21:22:07,306 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-02 21:22:07,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:22:07,307 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-02 21:22:07,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:22:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-02 21:22:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 21:22:07,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:22:07,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:22:07,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 21:22:07,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:22:07,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:22:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-02 21:22:07,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:22:07,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29341247] [2020-12-02 21:22:07,529 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 21:22:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:22:08,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 21:22:08,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:22:08,655 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:22:08,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 21:22:09,060 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-02 21:22:09,068 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 21:22:09,517 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 21:22:09,518 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:09,530 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 21:22:09,535 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:37 [2020-12-02 21:22:09,921 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 21:22:10,445 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 21:22:10,813 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:22:10,815 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:10,815 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2020-12-02 21:22:10,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:22:10,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:22:10,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:22:10,891 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_1], 2=[v_arrayElimCell_2]} [2020-12-02 21:22:11,828 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:22:11,828 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:11,829 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2020-12-02 21:22:11,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:22:11,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:22:11,837 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:22:11,882 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_3], 2=[v_arrayElimCell_4]} [2020-12-02 21:22:12,321 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:22:12,322 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:12,323 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2020-12-02 21:22:12,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:22:12,330 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:22:12,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:22:12,376 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_5], 2=[v_arrayElimCell_6]} [2020-12-02 21:22:13,119 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 21:22:13,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:22:13,904 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 21:22:14,754 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-02 21:22:14,769 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:22:16,990 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-02 21:22:18,291 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-02 21:22:18,317 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:22:18,759 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:22:18,760 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:18,761 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 57 [2020-12-02 21:22:19,129 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:22:19,131 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:19,132 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 57 [2020-12-02 21:22:19,136 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:22:19,137 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:22:19,139 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 21:22:19,188 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_7], 2=[v_arrayElimCell_8]} [2020-12-02 21:22:20,043 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-02 21:22:20,052 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:22:20,469 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:22:20,470 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:20,473 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 57 [2020-12-02 21:22:20,847 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-02 21:22:20,848 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:22:20,848 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 57 [2020-12-02 21:22:20,850 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:22:20,851 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:22:20,853 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 21:22:20,901 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_9], 2=[v_arrayElimCell_10]} [2020-12-02 21:22:21,831 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 22 [2020-12-02 21:22:21,882 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 21:22:21,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29341247] [2020-12-02 21:22:21,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:22:21,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-12-02 21:22:21,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669297386] [2020-12-02 21:22:21,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 21:22:21,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:22:21,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 21:22:21,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=147, Unknown=4, NotChecked=0, Total=182 [2020-12-02 21:22:21,887 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand 14 states. [2020-12-02 21:22:22,917 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 21:22:23,655 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 21:22:24,564 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-02 21:22:26,799 WARN L197 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-12-02 21:22:28,560 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2020-12-02 21:23:03,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:23:03,825 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2020-12-02 21:23:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 21:23:03,828 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-12-02 21:23:03,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:23:03,830 INFO L225 Difference]: With dead ends: 182 [2020-12-02 21:23:03,830 INFO L226 Difference]: Without dead ends: 109 [2020-12-02 21:23:03,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=83, Invalid=255, Unknown=4, NotChecked=0, Total=342 [2020-12-02 21:23:03,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-02 21:23:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2020-12-02 21:23:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-02 21:23:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 124 transitions. [2020-12-02 21:23:03,852 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 124 transitions. Word has length 13 [2020-12-02 21:23:03,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:23:03,852 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 124 transitions. [2020-12-02 21:23:03,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 21:23:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2020-12-02 21:23:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 21:23:03,854 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:23:03,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:23:04,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 21:23:04,056 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:23:04,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:23:04,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1228186055, now seen corresponding path program 1 times [2020-12-02 21:23:04,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:23:04,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287219399] [2020-12-02 21:23:04,059 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 21:23:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:23:04,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 21:23:04,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:23:04,810 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-02 21:23:06,581 WARN L197 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:23:07,442 WARN L197 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:23:08,839 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:23:08,846 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 21:23:08,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:23:21,982 WARN L197 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 5 [2020-12-02 21:23:21,998 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 21:23:21,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287219399] [2020-12-02 21:23:21,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:23:21,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 21:23:21,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469891461] [2020-12-02 21:23:22,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-02 21:23:22,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:23:22,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-02 21:23:22,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-02 21:23:22,007 INFO L87 Difference]: Start difference. First operand 94 states and 124 transitions. Second operand 10 states. [2020-12-02 21:23:24,531 WARN L197 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-02 21:23:26,768 WARN L197 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-02 21:23:31,904 WARN L197 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2020-12-02 21:24:40,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:24:40,932 INFO L93 Difference]: Finished difference Result 115 states and 147 transitions. [2020-12-02 21:24:41,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 21:24:41,141 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-12-02 21:24:41,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:24:41,142 INFO L225 Difference]: With dead ends: 115 [2020-12-02 21:24:41,143 INFO L226 Difference]: Without dead ends: 109 [2020-12-02 21:24:41,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-02 21:24:41,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-02 21:24:41,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2020-12-02 21:24:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-02 21:24:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2020-12-02 21:24:41,154 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 121 transitions. Word has length 18 [2020-12-02 21:24:41,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:24:41,155 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 121 transitions. [2020-12-02 21:24:41,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-02 21:24:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2020-12-02 21:24:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-02 21:24:41,156 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:24:41,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:24:41,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 21:24:41,373 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:24:41,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:24:41,374 INFO L82 PathProgramCache]: Analyzing trace with hash 50256570, now seen corresponding path program 1 times [2020-12-02 21:24:41,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:24:41,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064771197] [2020-12-02 21:24:41,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 21:24:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:24:41,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 21:24:41,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:24:41,985 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-02 21:24:42,651 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:24:43,325 WARN L197 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:24:44,075 WARN L197 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 21:24:44,080 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 21:24:44,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:24:53,718 WARN L197 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2020-12-02 21:24:53,732 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 21:24:53,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064771197] [2020-12-02 21:24:53,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:24:53,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 21:24:53,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238014431] [2020-12-02 21:24:53,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-02 21:24:53,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:24:53,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-02 21:24:53,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-02 21:24:53,735 INFO L87 Difference]: Start difference. First operand 92 states and 121 transitions. Second operand 10 states. [2020-12-02 21:24:55,996 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-02 21:24:59,526 WARN L197 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-02 21:25:06,953 WARN L197 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2020-12-02 21:26:02,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:26:02,414 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2020-12-02 21:26:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 21:26:02,649 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2020-12-02 21:26:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:26:02,651 INFO L225 Difference]: With dead ends: 113 [2020-12-02 21:26:02,651 INFO L226 Difference]: Without dead ends: 107 [2020-12-02 21:26:02,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-02 21:26:02,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-02 21:26:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 90. [2020-12-02 21:26:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-02 21:26:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 118 transitions. [2020-12-02 21:26:02,666 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 118 transitions. Word has length 20 [2020-12-02 21:26:02,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:26:02,666 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 118 transitions. [2020-12-02 21:26:02,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-02 21:26:02,667 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2020-12-02 21:26:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-02 21:26:02,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:26:02,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:26:02,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 21:26:02,882 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:26:02,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:26:02,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1297758981, now seen corresponding path program 1 times [2020-12-02 21:26:02,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:26:02,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428390963] [2020-12-02 21:26:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 21:26:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:26:03,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 21:26:03,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:26:04,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:26:04,784 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 21:26:04,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:26:06,270 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:26:07,603 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 21:26:09,063 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 21:26:09,116 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 21:26:09,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428390963] [2020-12-02 21:26:09,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:26:09,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-12-02 21:26:09,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072374601] [2020-12-02 21:26:09,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 21:26:09,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:26:09,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 21:26:09,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-12-02 21:26:09,119 INFO L87 Difference]: Start difference. First operand 90 states and 118 transitions. Second operand 11 states. [2020-12-02 21:26:09,821 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:26:10,350 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 21:26:10,960 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 21:26:11,436 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 21:26:17,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:26:17,893 INFO L93 Difference]: Finished difference Result 94 states and 121 transitions. [2020-12-02 21:26:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 21:26:17,894 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-02 21:26:17,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:26:17,895 INFO L225 Difference]: With dead ends: 94 [2020-12-02 21:26:17,895 INFO L226 Difference]: Without dead ends: 59 [2020-12-02 21:26:17,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-12-02 21:26:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-02 21:26:17,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-12-02 21:26:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-02 21:26:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2020-12-02 21:26:17,912 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 21 [2020-12-02 21:26:17,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:26:17,913 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2020-12-02 21:26:17,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 21:26:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2020-12-02 21:26:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 21:26:17,913 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:26:17,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:26:18,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 21:26:18,127 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:26:18,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:26:18,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1649788032, now seen corresponding path program 1 times [2020-12-02 21:26:18,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:26:18,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412186147] [2020-12-02 21:26:18,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-02 21:26:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:26:18,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 21:26:18,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:26:19,393 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-02 21:26:19,463 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:26:19,527 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:26:19,527 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:26:19,765 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:26:19,766 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:26:19,767 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:26:19,768 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-12-02 21:26:20,477 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 21:26:20,514 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 21:26:20,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:26:21,489 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2020-12-02 21:26:21,564 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:26:21,626 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:26:21,629 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:26:21,820 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 21:26:21,821 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:26:21,822 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:26:21,822 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:20 [2020-12-02 21:26:22,774 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 21:26:22,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412186147] [2020-12-02 21:26:22,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:26:22,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-12-02 21:26:22,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671750683] [2020-12-02 21:26:22,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-02 21:26:22,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:26:22,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-02 21:26:22,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-02 21:26:22,777 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand 10 states. [2020-12-02 21:26:23,240 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 21:26:23,654 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 21:26:24,368 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-12-02 21:26:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:26:24,441 INFO L93 Difference]: Finished difference Result 59 states and 73 transitions. [2020-12-02 21:26:24,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 21:26:24,442 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2020-12-02 21:26:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:26:24,442 INFO L225 Difference]: With dead ends: 59 [2020-12-02 21:26:24,442 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 21:26:24,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-12-02 21:26:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 21:26:24,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 21:26:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 21:26:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 21:26:24,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-02 21:26:24,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:26:24,444 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 21:26:24,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-02 21:26:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 21:26:24,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 21:26:24,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-02 21:26:24,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 21:26:25,945 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-12-02 21:26:26,454 WARN L197 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 21:26:26,965 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 21:26:27,339 INFO L262 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-12-02 21:26:27,339 INFO L262 CegarLoopResult]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:26:27,339 INFO L258 CegarLoopResult]: At program point L70-2(lines 70 74) the Hoare annotation is: false [2020-12-02 21:26:27,339 INFO L262 CegarLoopResult]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:26:27,339 INFO L262 CegarLoopResult]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L258 CegarLoopResult]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L172-2(line 172) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-12-02 21:26:27,340 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-02 21:26:27,341 INFO L262 CegarLoopResult]: For program point L107(lines 107 113) no Hoare annotation was computed. [2020-12-02 21:26:27,341 INFO L262 CegarLoopResult]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:26:27,341 INFO L262 CegarLoopResult]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2020-12-02 21:26:27,341 INFO L262 CegarLoopResult]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:26:27,343 INFO L262 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-12-02 21:26:27,343 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-02 21:26:27,343 INFO L262 CegarLoopResult]: For program point L76(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:26:27,343 INFO L262 CegarLoopResult]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:26:27,343 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-12-02 21:26:27,344 INFO L258 CegarLoopResult]: At program point L144(lines 144 244) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 785398163397448279.0 500000000000000000.0))) (= (fp.add roundNearestTiesToEven ~pi_o_2~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) |ULTIMATE.start___ieee754_atan2_#res|) (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0)) [2020-12-02 21:26:27,344 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-12-02 21:26:27,345 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-12-02 21:26:27,345 INFO L262 CegarLoopResult]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:26:27,345 INFO L262 CegarLoopResult]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2020-12-02 21:26:27,345 INFO L258 CegarLoopResult]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2020-12-02 21:26:27,345 INFO L262 CegarLoopResult]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2020-12-02 21:26:27,345 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L215(lines 215 220) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L258 CegarLoopResult]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (fp.gt ULTIMATE.start___ieee754_atan2_~y (_ +zero 11 53)) (= ULTIMATE.start___ieee754_atan2_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0))) [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L183-2(line 183) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L217(lines 217 220) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2020-12-02 21:26:27,346 INFO L262 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-12-02 21:26:27,347 INFO L262 CegarLoopResult]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2020-12-02 21:26:27,347 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 21:26:27,347 INFO L262 CegarLoopResult]: For program point L185(lines 185 209) no Hoare annotation was computed. [2020-12-02 21:26:27,347 INFO L262 CegarLoopResult]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2020-12-02 21:26:27,348 INFO L262 CegarLoopResult]: For program point L186(lines 186 208) no Hoare annotation was computed. [2020-12-02 21:26:27,348 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-02 21:26:27,348 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-02 21:26:27,348 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-02 21:26:27,348 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-02 21:26:27,348 INFO L262 CegarLoopResult]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2020-12-02 21:26:27,348 INFO L258 CegarLoopResult]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2020-12-02 21:26:27,348 INFO L262 CegarLoopResult]: For program point L187(lines 187 196) no Hoare annotation was computed. [2020-12-02 21:26:27,348 INFO L262 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-12-02 21:26:27,348 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-02 21:26:27,349 INFO L262 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-12-02 21:26:27,349 INFO L262 CegarLoopResult]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2020-12-02 21:26:27,349 INFO L258 CegarLoopResult]: At program point L156-2(lines 156 161) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (fp.gt ULTIMATE.start___ieee754_atan2_~y (_ +zero 11 53)) (= ULTIMATE.start___ieee754_atan2_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_atan2_~hx~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|)) (= ULTIMATE.start___ieee754_atan2_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_34|)) (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|))))) (exists ((|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_31| (_ BitVec 64))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5|))) (let ((.cse1 (select .cse2 (_ bv4 32)))) (and (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_31|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_31|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_31|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_31|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___ieee754_atan2_~ix~1 (bvand (_ bv2147483647 32) .cse1)) (= (select .cse2 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_31|)))))) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0))) [2020-12-02 21:26:27,349 INFO L262 CegarLoopResult]: For program point L90(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:26:27,349 INFO L262 CegarLoopResult]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2020-12-02 21:26:27,349 INFO L262 CegarLoopResult]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2020-12-02 21:26:27,349 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 21:26:27,349 INFO L262 CegarLoopResult]: For program point L256(lines 256 265) no Hoare annotation was computed. [2020-12-02 21:26:27,350 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-02 21:26:27,350 INFO L262 CegarLoopResult]: For program point L256-2(lines 256 265) no Hoare annotation was computed. [2020-12-02 21:26:27,350 INFO L262 CegarLoopResult]: For program point L91(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:26:27,350 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:26:27,350 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:26:27,351 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2020-12-02 21:26:27,351 INFO L262 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-12-02 21:26:27,351 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-12-02 21:26:27,351 INFO L262 CegarLoopResult]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2020-12-02 21:26:27,351 INFO L262 CegarLoopResult]: For program point L26(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:26:27,351 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2020-12-02 21:26:27,351 INFO L262 CegarLoopResult]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2020-12-02 21:26:27,353 INFO L258 CegarLoopResult]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2020-12-02 21:26:27,353 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 21:26:27,354 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-02 21:26:27,354 INFO L262 CegarLoopResult]: For program point L128(lines 128 133) no Hoare annotation was computed. [2020-12-02 21:26:27,354 INFO L262 CegarLoopResult]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2020-12-02 21:26:27,354 INFO L262 CegarLoopResult]: For program point L261(lines 261 264) no Hoare annotation was computed. [2020-12-02 21:26:27,354 INFO L262 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-12-02 21:26:27,354 INFO L262 CegarLoopResult]: For program point L163(lines 163 165) no Hoare annotation was computed. [2020-12-02 21:26:27,354 INFO L262 CegarLoopResult]: For program point L98(lines 98 114) no Hoare annotation was computed. [2020-12-02 21:26:27,356 INFO L262 CegarLoopResult]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2020-12-02 21:26:27,357 INFO L258 CegarLoopResult]: At program point L32(lines 19 33) the Hoare annotation is: false [2020-12-02 21:26:27,357 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 21:26:27,357 INFO L258 CegarLoopResult]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2020-12-02 21:26:27,358 INFO L258 CegarLoopResult]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2020-12-02 21:26:27,358 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 262) no Hoare annotation was computed. [2020-12-02 21:26:27,358 INFO L262 CegarLoopResult]: For program point L231(lines 231 236) no Hoare annotation was computed. [2020-12-02 21:26:27,358 INFO L262 CegarLoopResult]: For program point L198(lines 198 207) no Hoare annotation was computed. [2020-12-02 21:26:27,358 INFO L262 CegarLoopResult]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2020-12-02 21:26:27,358 INFO L262 CegarLoopResult]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2020-12-02 21:26:27,359 INFO L262 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-12-02 21:26:27,359 INFO L262 CegarLoopResult]: For program point L99(lines 99 105) no Hoare annotation was computed. [2020-12-02 21:26:27,359 INFO L262 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-12-02 21:26:27,359 INFO L258 CegarLoopResult]: At program point L132-3(lines 66 134) the Hoare annotation is: false [2020-12-02 21:26:27,359 INFO L262 CegarLoopResult]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2020-12-02 21:26:27,359 INFO L262 CegarLoopResult]: For program point L132-4(line 132) no Hoare annotation was computed. [2020-12-02 21:26:27,360 INFO L262 CegarLoopResult]: For program point L132-6(line 132) no Hoare annotation was computed. [2020-12-02 21:26:27,360 INFO L258 CegarLoopResult]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2020-12-02 21:26:27,360 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-02 21:26:27,360 INFO L262 CegarLoopResult]: For program point L166(lines 166 167) no Hoare annotation was computed. [2020-12-02 21:26:27,360 INFO L265 CegarLoopResult]: At program point L266(lines 246 267) the Hoare annotation is: true [2020-12-02 21:26:27,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,389 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,389 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,389 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,390 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,390 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,390 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,390 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,392 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:26:27 BoogieIcfgContainer [2020-12-02 21:26:27,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:26:27,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:26:27,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:26:27,427 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:26:27,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:06" (3/4) ... [2020-12-02 21:26:27,436 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 21:26:27,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-02 21:26:27,475 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-02 21:26:27,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:26:27,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:26:27,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64 :: (hx == v_skolemized_q#valueAsBitvector_34[63:32] && lx == v_skolemized_q#valueAsBitvector_34[31:0]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]))) && (\exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_31 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32] == v_skolemized_q#valueAsBitvector_31[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_31[63:63], v_skolemized_q#valueAsBitvector_31[62:52], v_skolemized_q#valueAsBitvector_31[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32])) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][0bv32] == v_skolemized_q#valueAsBitvector_31[31:0])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 [2020-12-02 21:26:27,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && ~fp.add~DOUBLE(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 [2020-12-02 21:26:27,607 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 21:26:27,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:26:27,609 INFO L168 Benchmark]: Toolchain (without parser) took 313876.30 ms. Allocated memory was 44.0 MB in the beginning and 69.2 MB in the end (delta: 25.2 MB). Free memory was 25.6 MB in the beginning and 43.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-12-02 21:26:27,609 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 44.0 MB. Free memory is still 22.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:26:27,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.63 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 25.4 MB in the beginning and 26.9 MB in the end (delta: -1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:26:27,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.00 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 38.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-12-02 21:26:27,611 INFO L168 Benchmark]: Boogie Preprocessor took 68.45 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 35.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 21:26:27,611 INFO L168 Benchmark]: RCFGBuilder took 52023.74 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 127.6 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-12-02 21:26:27,612 INFO L168 Benchmark]: TraceAbstraction took 260914.94 ms. Allocated memory is still 69.2 MB. Free memory was 34.6 MB in the beginning and 23.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-12-02 21:26:27,613 INFO L168 Benchmark]: Witness Printer took 181.02 ms. Allocated memory is still 69.2 MB. Free memory was 23.2 MB in the beginning and 43.6 MB in the end (delta: -20.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:26:27,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 44.0 MB. Free memory is still 22.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.63 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 25.4 MB in the beginning and 26.9 MB in the end (delta: -1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.00 ms. Allocated memory is still 56.6 MB. Free memory was 26.7 MB in the beginning and 38.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.45 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 35.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52023.74 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 127.6 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 260914.94 ms. Allocated memory is still 69.2 MB. Free memory was 34.6 MB in the beginning and 23.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Witness Printer took 181.02 ms. Allocated memory is still 69.2 MB. Free memory was 23.2 MB in the beginning and 43.6 MB in the end (delta: -20.3 MB). Peak memory consumption was 6.9 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_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,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_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 262]: 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: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2020-12-02 21:26:27,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2020-12-02 21:26:27,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-02 21:26:27,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-02 21:26:27,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] Derived loop invariant: ((((((~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64 :: (hx == v_skolemized_q#valueAsBitvector_34[63:32] && lx == v_skolemized_q#valueAsBitvector_34[31:0]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]))) && (\exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_31 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32] == v_skolemized_q#valueAsBitvector_31[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_31[63:63], v_skolemized_q#valueAsBitvector_31[62:52], v_skolemized_q#valueAsBitvector_31[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][4bv32])) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5][0bv32] == v_skolemized_q#valueAsBitvector_31[31:0])) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 - InvariantResult [Line: 144]: Loop Invariant [2020-12-02 21:26:27,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && ~fp.add~DOUBLE(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant [2020-12-02 21:26:27,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:26:27,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 258.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 200.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 567 SDtfs, 1192 SDslu, 1946 SDs, 0 SdLazy, 297 SolverSat, 30 SolverUnsat, 59 SolverUnknown, 0 SolverNotchecked, 171.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 153 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 66.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 6 MinimizatonAttempts, 49 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 17 PreInvPairs, 21 NumberOfFragments, 143 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 73 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 53.2s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 200 ConstructedInterpolants, 47 QuantifiedInterpolants, 37506 SizeOfPredicates, 43 NumberOfNonLiveVariables, 824 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...