./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0662b.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 c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 ..................................................................................................................................................................................................................................................................................................................................... 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 ../sv-benchmarks/c/float-newlib/double_req_bl_0662b.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 c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 00:43:24,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 00:43:24,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 00:43:24,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 00:43:24,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 00:43:24,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 00:43:24,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 00:43:24,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 00:43:24,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 00:43:24,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 00:43:24,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 00:43:24,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 00:43:24,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 00:43:24,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 00:43:24,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 00:43:24,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 00:43:24,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 00:43:24,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 00:43:24,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 00:43:24,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 00:43:24,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 00:43:24,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 00:43:24,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 00:43:24,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 00:43:24,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 00:43:24,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 00:43:24,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 00:43:24,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 00:43:24,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 00:43:24,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 00:43:24,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 00:43:24,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 00:43:24,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 00:43:24,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 00:43:24,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 00:43:24,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 00:43:24,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 00:43:24,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 00:43:24,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 00:43:24,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 00:43:24,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 00:43:24,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 00:43:24,663 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 00:43:24,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 00:43:24,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 00:43:24,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 00:43:24,666 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 00:43:24,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 00:43:24,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 00:43:24,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 00:43:24,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 00:43:24,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 00:43:24,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 00:43:24,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 00:43:24,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 00:43:24,668 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 00:43:24,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 00:43:24,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 00:43:24,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 00:43:24,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 00:43:24,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 00:43:24,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 00:43:24,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 00:43:24,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 00:43:24,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 00:43:24,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 00:43:24,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 00:43:24,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 00:43:24,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 00:43:24,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 00:43:24,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-12-03 00:43:25,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 00:43:25,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 00:43:25,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 00:43:25,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 00:43:25,155 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 00:43:25,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-12-03 00:43:25,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e063bb73/04717e56bd084cd1b5d8b5ed459ae026/FLAGc7889f419 [2020-12-03 00:43:25,865 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 00:43:25,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-12-03 00:43:25,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e063bb73/04717e56bd084cd1b5d8b5ed459ae026/FLAGc7889f419 [2020-12-03 00:43:26,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e063bb73/04717e56bd084cd1b5d8b5ed459ae026 [2020-12-03 00:43:26,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 00:43:26,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 00:43:26,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 00:43:26,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 00:43:26,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 00:43:26,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20988926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26, skipping insertion in model container [2020-12-03 00:43:26,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 00:43:26,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 00:43:26,617 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c[6224,6237] [2020-12-03 00:43:26,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 00:43:26,643 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 00:43:26,721 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c[6224,6237] [2020-12-03 00:43:26,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 00:43:26,745 INFO L208 MainTranslator]: Completed translation [2020-12-03 00:43:26,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26 WrapperNode [2020-12-03 00:43:26,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 00:43:26,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 00:43:26,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 00:43:26,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 00:43:26,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 00:43:26,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 00:43:26,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 00:43:26,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 00:43:26,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (1/1) ... [2020-12-03 00:43:26,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 00:43:26,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 00:43:26,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 00:43:26,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 00:43:26,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (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 [2020-12-03 00:43:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 00:43:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 00:43:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-03 00:43:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 00:43:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-03 00:43:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 00:43:27,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 00:43:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-03 00:43:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-03 00:43:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 00:43:27,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 00:43:27,888 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-03 00:43:27,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:43:27 BoogieIcfgContainer [2020-12-03 00:43:27,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 00:43:27,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 00:43:27,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 00:43:27,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 00:43:27,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:43:26" (1/3) ... [2020-12-03 00:43:27,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36539b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:43:27, skipping insertion in model container [2020-12-03 00:43:27,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:26" (2/3) ... [2020-12-03 00:43:27,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36539b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:43:27, skipping insertion in model container [2020-12-03 00:43:27,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:43:27" (3/3) ... [2020-12-03 00:43:27,904 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-12-03 00:43:27,921 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 00:43:27,930 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 00:43:27,943 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 00:43:27,973 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 00:43:27,973 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 00:43:27,973 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 00:43:27,974 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 00:43:27,974 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 00:43:27,974 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 00:43:27,974 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 00:43:27,974 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 00:43:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-03 00:43:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 00:43:27,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:43:27,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 00:43:27,997 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:43:28,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:43:28,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-03 00:43:28,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-03 00:43:28,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425895342] [2020-12-03 00:43:28,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 00:43:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:43:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:43:28,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425895342] [2020-12-03 00:43:28,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:43:28,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 00:43:28,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481660443] [2020-12-03 00:43:28,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 00:43:28,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-03 00:43:28,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 00:43:28,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 00:43:28,239 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-03 00:43:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:43:28,280 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-03 00:43:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 00:43:28,282 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-03 00:43:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:43:28,294 INFO L225 Difference]: With dead ends: 227 [2020-12-03 00:43:28,295 INFO L226 Difference]: Without dead ends: 111 [2020-12-03 00:43:28,298 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 [2020-12-03 00:43:28,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-03 00:43:28,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-03 00:43:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-03 00:43:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-03 00:43:28,349 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-03 00:43:28,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:43:28,350 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-03 00:43:28,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 00:43:28,350 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-03 00:43:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 00:43:28,351 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:43:28,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 00:43:28,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 00:43:28,352 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:43:28,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:43:28,353 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-03 00:43:28,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-03 00:43:28,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854564360] [2020-12-03 00:43:28,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 00:43:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 00:43:28,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 00:43:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 00:43:28,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 00:43:28,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-03 00:43:28,548 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 00:43:28,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 00:43:28,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:43:28 BoogieIcfgContainer [2020-12-03 00:43:28,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 00:43:28,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 00:43:28,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 00:43:28,624 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 00:43:28,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:43:27" (3/4) ... [2020-12-03 00:43:28,630 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-03 00:43:28,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 00:43:28,633 INFO L168 Benchmark]: Toolchain (without parser) took 2386.07 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 28.0 MB in the beginning and 52.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 187.5 kB. Max. memory is 16.1 GB. [2020-12-03 00:43:28,634 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 35.7 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 20.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 00:43:28,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.87 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 26.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-03 00:43:28,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.27 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 23.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 00:43:28,636 INFO L168 Benchmark]: Boogie Preprocessor took 71.81 ms. Allocated memory is still 50.3 MB. Free memory was 23.2 MB in the beginning and 32.8 MB in the end (delta: -9.6 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-12-03 00:43:28,637 INFO L168 Benchmark]: RCFGBuilder took 966.97 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 32.6 MB in the beginning and 40.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2020-12-03 00:43:28,639 INFO L168 Benchmark]: TraceAbstraction took 727.88 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 53.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-03 00:43:28,639 INFO L168 Benchmark]: Witness Printer took 6.94 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 52.8 MB in the end (delta: 469.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 00:43:28,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 35.7 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 20.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 496.87 ms. Allocated memory is still 50.3 MB. Free memory was 27.7 MB in the beginning and 26.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.27 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 23.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.81 ms. Allocated memory is still 50.3 MB. Free memory was 23.2 MB in the beginning and 32.8 MB in the end (delta: -9.6 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 966.97 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 32.6 MB in the beginning and 40.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 727.88 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.1 MB in the beginning and 53.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.94 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 52.8 MB in the end (delta: 469.0 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 54, 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: 0.5s, 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 0.2.0-7b2dab5 [2020-12-03 00:43:31,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 00:43:31,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 00:43:31,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-03 00:43:31,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 00:43:31,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 00:43:31,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 00:43:31,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 00:43:31,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 00:43:31,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 00:43:31,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 00:43:31,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 00:43:31,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 00:43:31,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 00:43:31,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 00:43:31,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 00:43:31,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-03 00:43:31,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 00:43:31,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 00:43:31,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 00:43:31,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 00:43:31,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 00:43:31,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 00:43:31,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 00:43:31,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 00:43:31,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 00:43:31,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 00:43:31,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 00:43:31,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 00:43:31,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 00:43:31,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 00:43:31,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 00:43:31,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 00:43:31,353 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 00:43:31,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 00:43:31,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 00:43:31,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 00:43:31,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 00:43:31,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 00:43:31,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 00:43:31,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 00:43:31,356 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 00:43:31,356 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 00:43:31,356 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 00:43:31,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 00:43:31,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 00:43:31,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 00:43:31,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 00:43:31,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 00:43:31,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 00:43:31,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 00:43:31,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 00:43:31,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 00:43:31,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 00:43:31,360 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 00:43:31,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 00:43:31,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 00:43:31,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 00:43:31,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 00:43:31,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4312fbc25b8e0f695eb796ff19f0bea0b31ca81 [2020-12-03 00:43:31,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 00:43:31,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 00:43:31,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 00:43:31,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 00:43:31,788 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 00:43:31,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-12-03 00:43:31,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18e77181f/35b7187241274a1fb2a5754561a10345/FLAGedfb0c57e [2020-12-03 00:43:32,465 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 00:43:32,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c [2020-12-03 00:43:32,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18e77181f/35b7187241274a1fb2a5754561a10345/FLAGedfb0c57e [2020-12-03 00:43:32,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18e77181f/35b7187241274a1fb2a5754561a10345 [2020-12-03 00:43:32,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 00:43:32,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 00:43:32,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 00:43:32,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 00:43:32,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 00:43:32,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:32" (1/1) ... [2020-12-03 00:43:32,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1686b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:32, skipping insertion in model container [2020-12-03 00:43:32,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:32" (1/1) ... [2020-12-03 00:43:32,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 00:43:32,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 00:43:33,152 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c[6224,6237] [2020-12-03 00:43:33,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 00:43:33,176 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 00:43:33,260 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662b.c[6224,6237] [2020-12-03 00:43:33,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 00:43:33,310 INFO L208 MainTranslator]: Completed translation [2020-12-03 00:43:33,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33 WrapperNode [2020-12-03 00:43:33,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 00:43:33,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 00:43:33,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 00:43:33,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 00:43:33,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 00:43:33,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 00:43:33,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 00:43:33,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 00:43:33,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (1/1) ... [2020-12-03 00:43:33,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 00:43:33,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 00:43:33,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 00:43:33,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 00:43:33,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (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 [2020-12-03 00:43:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-03 00:43:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-03 00:43:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 00:43:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 00:43:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-03 00:43:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-03 00:43:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 00:43:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 00:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 00:43:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 00:44:26,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 00:44:26,968 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-03 00:44:26,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:26 BoogieIcfgContainer [2020-12-03 00:44:26,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 00:44:26,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 00:44:26,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 00:44:26,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 00:44:26,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:43:32" (1/3) ... [2020-12-03 00:44:26,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255b4232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:44:26, skipping insertion in model container [2020-12-03 00:44:26,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:33" (2/3) ... [2020-12-03 00:44:26,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255b4232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:44:26, skipping insertion in model container [2020-12-03 00:44:26,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:26" (3/3) ... [2020-12-03 00:44:26,985 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c [2020-12-03 00:44:26,999 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 00:44:27,006 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 00:44:27,019 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 00:44:27,048 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 00:44:27,049 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 00:44:27,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 00:44:27,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 00:44:27,049 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 00:44:27,050 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 00:44:27,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 00:44:27,050 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 00:44:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-03 00:44:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 00:44:27,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:44:27,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 00:44:27,075 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:44:27,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:44:27,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-03 00:44:27,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:44:27,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457475726] [2020-12-03 00:44:27,099 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 [2020-12-03 00:44:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:44:27,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-03 00:44:27,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:44:27,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:44:27,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:44:27,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457475726] [2020-12-03 00:44:27,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:44:27,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 00:44:27,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964104862] [2020-12-03 00:44:27,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 00:44:27,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:44:27,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 00:44:27,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 00:44:27,592 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-03 00:44:27,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:44:27,625 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-03 00:44:27,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 00:44:27,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-03 00:44:27,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:44:27,638 INFO L225 Difference]: With dead ends: 227 [2020-12-03 00:44:27,639 INFO L226 Difference]: Without dead ends: 111 [2020-12-03 00:44:27,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 00:44:27,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-03 00:44:27,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-03 00:44:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-03 00:44:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-03 00:44:27,688 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-03 00:44:27,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:44:27,688 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-03 00:44:27,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 00:44:27,689 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-03 00:44:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 00:44:27,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:44:27,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 00:44:27,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 00:44:27,896 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:44:27,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:44:27,899 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-03 00:44:27,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:44:27,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776870843] [2020-12-03 00:44:27,904 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 [2020-12-03 00:44:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:44:28,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-03 00:44:28,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:44:28,978 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-03 00:44:29,144 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-03 00:44:29,284 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-03 00:44:29,292 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 00:44:29,662 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-03 00:44:29,663 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 00:44:29,671 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. [2020-12-03 00:44:29,672 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:36 [2020-12-03 00:44:30,194 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-03 00:44:30,777 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-03 00:44:31,107 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-03 00:44:31,108 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 00:44:31,109 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 [2020-12-03 00:44:31,113 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 00:44:31,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-03 00:44:31,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 00:44:31,158 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_1], 2=[v_arrayElimCell_2]} [2020-12-03 00:44:31,919 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-03 00:44:31,920 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 00:44:31,921 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 [2020-12-03 00:44:31,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 00:44:31,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-03 00:44:31,929 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 00:44:31,966 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_3], 2=[v_arrayElimCell_4]} [2020-12-03 00:44:32,311 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-03 00:44:32,311 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 00:44:32,312 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 [2020-12-03 00:44:32,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 00:44:32,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-03 00:44:32,321 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 00:44:32,359 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_5], 2=[v_arrayElimCell_6]} [2020-12-03 00:44:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:44:32,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:44:32,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776870843] [2020-12-03 00:44:32,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:44:32,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-03 00:44:32,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117021141] [2020-12-03 00:44:32,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-03 00:44:32,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:44:32,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-03 00:44:32,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2020-12-03 00:44:32,939 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand 8 states. [2020-12-03 00:44:33,872 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-03 00:44:34,568 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-03 00:44:35,267 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-03 00:44:39,825 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-03 00:44:40,591 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-03 00:45:11,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:45:11,095 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2020-12-03 00:45:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-03 00:45:11,171 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-12-03 00:45:11,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:45:11,173 INFO L225 Difference]: With dead ends: 182 [2020-12-03 00:45:11,173 INFO L226 Difference]: Without dead ends: 109 [2020-12-03 00:45:11,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=45, Invalid=107, Unknown=4, NotChecked=0, Total=156 [2020-12-03 00:45:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-03 00:45:11,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2020-12-03 00:45:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-03 00:45:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 124 transitions. [2020-12-03 00:45:11,202 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 124 transitions. Word has length 13 [2020-12-03 00:45:11,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:45:11,203 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 124 transitions. [2020-12-03 00:45:11,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-03 00:45:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2020-12-03 00:45:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-03 00:45:11,205 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:45:11,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 00:45:11,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 00:45:11,407 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:45:11,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:45:11,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1226339013, now seen corresponding path program 1 times [2020-12-03 00:45:11,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:45:11,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354577217] [2020-12-03 00:45:11,411 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 [2020-12-03 00:45:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:45:11,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-03 00:45:11,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:45:12,092 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:45:13,235 WARN L197 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:45:14,286 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:45:15,671 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:45:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:45:15,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:45:15,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354577217] [2020-12-03 00:45:15,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:45:15,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 00:45:15,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318098404] [2020-12-03 00:45:15,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 00:45:15,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:45:15,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 00:45:15,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 00:45:15,682 INFO L87 Difference]: Start difference. First operand 94 states and 124 transitions. Second operand 6 states. [2020-12-03 00:45:17,941 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-12-03 00:45:19,531 WARN L197 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-12-03 00:45:24,416 WARN L197 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-12-03 00:46:20,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:46:20,095 INFO L93 Difference]: Finished difference Result 115 states and 147 transitions. [2020-12-03 00:46:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 00:46:20,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-03 00:46:20,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:46:20,309 INFO L225 Difference]: With dead ends: 115 [2020-12-03 00:46:20,309 INFO L226 Difference]: Without dead ends: 109 [2020-12-03 00:46:20,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-12-03 00:46:20,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-03 00:46:20,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2020-12-03 00:46:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-03 00:46:20,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2020-12-03 00:46:20,327 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 121 transitions. Word has length 18 [2020-12-03 00:46:20,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:46:20,328 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 121 transitions. [2020-12-03 00:46:20,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 00:46:20,328 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2020-12-03 00:46:20,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-03 00:46:20,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:46:20,329 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] [2020-12-03 00:46:20,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 00:46:20,543 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:46:20,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:46:20,545 INFO L82 PathProgramCache]: Analyzing trace with hash 48409528, now seen corresponding path program 1 times [2020-12-03 00:46:20,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:46:20,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702978917] [2020-12-03 00:46:20,546 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 [2020-12-03 00:46:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:46:20,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-03 00:46:20,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:46:21,248 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:46:22,026 WARN L197 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:46:23,421 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:46:24,560 WARN L197 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-03 00:46:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:46:24,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:46:24,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702978917] [2020-12-03 00:46:24,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:46:24,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 00:46:24,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149816068] [2020-12-03 00:46:24,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 00:46:24,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:46:24,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 00:46:24,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 00:46:24,568 INFO L87 Difference]: Start difference. First operand 92 states and 121 transitions. Second operand 6 states. [2020-12-03 00:46:27,015 WARN L197 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-12-03 00:46:30,683 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-12-03 00:46:36,416 WARN L197 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-12-03 00:47:31,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:47:31,088 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2020-12-03 00:47:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 00:47:31,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-12-03 00:47:31,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:47:31,302 INFO L225 Difference]: With dead ends: 113 [2020-12-03 00:47:31,302 INFO L226 Difference]: Without dead ends: 107 [2020-12-03 00:47:31,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-12-03 00:47:31,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-03 00:47:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 90. [2020-12-03 00:47:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-03 00:47:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 118 transitions. [2020-12-03 00:47:31,319 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 118 transitions. Word has length 20 [2020-12-03 00:47:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:47:31,320 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 118 transitions. [2020-12-03 00:47:31,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 00:47:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2020-12-03 00:47:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-03 00:47:31,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:47:31,323 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] [2020-12-03 00:47:31,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-03 00:47:31,526 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:47:31,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:47:31,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1297758981, now seen corresponding path program 1 times [2020-12-03 00:47:31,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:47:31,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861043452] [2020-12-03 00:47:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 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 [2020-12-03 00:47:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:47:31,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-03 00:47:31,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:47:32,508 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-03 00:47:36,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-03 00:47:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:47:37,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:47:37,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861043452] [2020-12-03 00:47:37,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:47:37,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-03 00:47:37,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543265085] [2020-12-03 00:47:37,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-03 00:47:37,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:47:37,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-03 00:47:37,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2020-12-03 00:47:37,321 INFO L87 Difference]: Start difference. First operand 90 states and 118 transitions. Second operand 8 states. [2020-12-03 00:47:37,943 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-03 00:47:38,339 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-03 00:47:39,012 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-03 00:47:39,545 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-03 00:47:47,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:47:47,322 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2020-12-03 00:47:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-03 00:47:47,322 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-12-03 00:47:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:47:47,323 INFO L225 Difference]: With dead ends: 113 [2020-12-03 00:47:47,324 INFO L226 Difference]: Without dead ends: 109 [2020-12-03 00:47:47,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=45, Invalid=86, Unknown=1, NotChecked=0, Total=132 [2020-12-03 00:47:47,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-03 00:47:47,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2020-12-03 00:47:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-03 00:47:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 123 transitions. [2020-12-03 00:47:47,335 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 123 transitions. Word has length 21 [2020-12-03 00:47:47,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:47:47,336 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 123 transitions. [2020-12-03 00:47:47,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-03 00:47:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 123 transitions. [2020-12-03 00:47:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-03 00:47:47,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:47:47,337 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] [2020-12-03 00:47:47,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-03 00:47:47,543 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:47:47,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:47:47,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1257509315, now seen corresponding path program 1 times [2020-12-03 00:47:47,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:47:47,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030749085] [2020-12-03 00:47:47,547 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 [2020-12-03 00:47:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:47:47,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-03 00:47:47,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:47:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:47:48,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:47:48,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030749085] [2020-12-03 00:47:48,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:47:48,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 00:47:48,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128539129] [2020-12-03 00:47:48,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 00:47:48,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:47:48,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 00:47:48,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-03 00:47:48,615 INFO L87 Difference]: Start difference. First operand 94 states and 123 transitions. Second operand 5 states. [2020-12-03 00:47:48,955 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-03 00:47:49,271 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-03 00:47:52,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:47:52,059 INFO L93 Difference]: Finished difference Result 120 states and 150 transitions. [2020-12-03 00:47:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-03 00:47:52,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-03 00:47:52,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:47:52,242 INFO L225 Difference]: With dead ends: 120 [2020-12-03 00:47:52,243 INFO L226 Difference]: Without dead ends: 79 [2020-12-03 00:47:52,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-03 00:47:52,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-03 00:47:52,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 68. [2020-12-03 00:47:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-03 00:47:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 84 transitions. [2020-12-03 00:47:52,251 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 84 transitions. Word has length 22 [2020-12-03 00:47:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:47:52,252 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 84 transitions. [2020-12-03 00:47:52,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 00:47:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2020-12-03 00:47:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-03 00:47:52,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:47:52,254 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, 1] [2020-12-03 00:47:52,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-03 00:47:52,456 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:47:52,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:47:52,458 INFO L82 PathProgramCache]: Analyzing trace with hash -394512707, now seen corresponding path program 1 times [2020-12-03 00:47:52,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:47:52,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353549888] [2020-12-03 00:47:52,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-03 00:47:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:47:53,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-03 00:47:53,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:47:55,734 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-03 00:47:55,745 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 00:47:55,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-03 00:47:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:47:56,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:47:56,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353549888] [2020-12-03 00:47:56,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:47:56,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-03 00:47:56,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064681264] [2020-12-03 00:47:56,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-03 00:47:56,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:47:56,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-03 00:47:56,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-03 00:47:56,367 INFO L87 Difference]: Start difference. First operand 68 states and 84 transitions. Second operand 8 states. [2020-12-03 00:47:56,910 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-03 00:47:57,534 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-03 00:47:58,251 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-03 00:47:59,340 WARN L197 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-03 00:48:02,850 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-03 00:48:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:48:06,305 INFO L93 Difference]: Finished difference Result 82 states and 97 transitions. [2020-12-03 00:48:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-03 00:48:06,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-12-03 00:48:06,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:48:06,306 INFO L225 Difference]: With dead ends: 82 [2020-12-03 00:48:06,306 INFO L226 Difference]: Without dead ends: 75 [2020-12-03 00:48:06,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-12-03 00:48:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-03 00:48:06,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2020-12-03 00:48:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-03 00:48:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2020-12-03 00:48:06,312 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 24 [2020-12-03 00:48:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:48:06,312 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2020-12-03 00:48:06,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-03 00:48:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2020-12-03 00:48:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-03 00:48:06,313 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 00:48:06,313 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, 1, 1, 1, 1] [2020-12-03 00:48:06,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-03 00:48:06,521 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 00:48:06,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 00:48:06,522 INFO L82 PathProgramCache]: Analyzing trace with hash -2912589, now seen corresponding path program 1 times [2020-12-03 00:48:06,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 00:48:06,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747415519] [2020-12-03 00:48:06,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-03 00:48:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 00:48:07,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-03 00:48:07,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 00:48:07,557 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 [2020-12-03 00:48:07,630 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-03 00:48:07,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 00:48:07,698 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 00:48:07,941 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-03 00:48:07,941 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 00:48:07,942 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. [2020-12-03 00:48:07,943 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-03 00:48:08,308 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-03 00:48:08,752 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-03 00:48:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 00:48:08,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 00:48:08,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747415519] [2020-12-03 00:48:08,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 00:48:08,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-03 00:48:08,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429686966] [2020-12-03 00:48:08,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-03 00:48:08,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 00:48:08,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-03 00:48:08,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-03 00:48:08,795 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand 6 states. [2020-12-03 00:48:09,257 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-03 00:48:09,633 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-03 00:48:10,014 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-03 00:48:10,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 00:48:10,077 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2020-12-03 00:48:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 00:48:10,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-12-03 00:48:10,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 00:48:10,078 INFO L225 Difference]: With dead ends: 66 [2020-12-03 00:48:10,079 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 00:48:10,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-03 00:48:10,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 00:48:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 00:48:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 00:48:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 00:48:10,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-12-03 00:48:10,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 00:48:10,081 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 00:48:10,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-03 00:48:10,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 00:48:10,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 00:48:10,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-03 00:48:10,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 00:48:11,753 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2020-12-03 00:48:12,356 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-03 00:48:12,825 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-03 00:48:13,107 INFO L265 CegarLoopResult]: At program point L267(lines 246 268) the Hoare annotation is: true [2020-12-03 00:48:13,107 INFO L262 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-12-03 00:48:13,107 INFO L262 CegarLoopResult]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2020-12-03 00:48:13,107 INFO L258 CegarLoopResult]: At program point L70-2(lines 70 74) the Hoare annotation is: false [2020-12-03 00:48:13,108 INFO L262 CegarLoopResult]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2020-12-03 00:48:13,108 INFO L262 CegarLoopResult]: For program point L70-5(lines 70 74) no Hoare annotation was computed. [2020-12-03 00:48:13,108 INFO L258 CegarLoopResult]: At program point L70-6(lines 70 74) the Hoare annotation is: false [2020-12-03 00:48:13,108 INFO L262 CegarLoopResult]: For program point L70-7(lines 70 74) no Hoare annotation was computed. [2020-12-03 00:48:13,108 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-03 00:48:13,108 INFO L262 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L172-2(line 172) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L107(lines 107 113) no Hoare annotation was computed. [2020-12-03 00:48:13,109 INFO L262 CegarLoopResult]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2020-12-03 00:48:13,110 INFO L262 CegarLoopResult]: For program point L107-3(lines 107 113) no Hoare annotation was computed. [2020-12-03 00:48:13,110 INFO L262 CegarLoopResult]: For program point L107-5(lines 90 115) no Hoare annotation was computed. [2020-12-03 00:48:13,110 INFO L262 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-12-03 00:48:13,110 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-03 00:48:13,110 INFO L262 CegarLoopResult]: For program point L76(lines 76 89) no Hoare annotation was computed. [2020-12-03 00:48:13,110 INFO L262 CegarLoopResult]: For program point L76-1(lines 76 89) no Hoare annotation was computed. [2020-12-03 00:48:13,110 INFO L262 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-12-03 00:48:13,111 INFO L258 CegarLoopResult]: At program point L144(lines 144 244) the Hoare annotation is: (and (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) |ULTIMATE.start___ieee754_atan2_#res|) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 785398163397448279.0 500000000000000000.0))) (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0)) [2020-12-03 00:48:13,111 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-12-03 00:48:13,111 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-12-03 00:48:13,111 INFO L262 CegarLoopResult]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2020-12-03 00:48:13,112 INFO L262 CegarLoopResult]: For program point L78-5(lines 78 82) no Hoare annotation was computed. [2020-12-03 00:48:13,112 INFO L258 CegarLoopResult]: At program point L78-6(lines 78 82) the Hoare annotation is: false [2020-12-03 00:48:13,112 INFO L262 CegarLoopResult]: For program point L78-7(lines 76 89) no Hoare annotation was computed. [2020-12-03 00:48:13,112 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-03 00:48:13,112 INFO L262 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-12-03 00:48:13,112 INFO L262 CegarLoopResult]: For program point L215(lines 215 220) no Hoare annotation was computed. [2020-12-03 00:48:13,113 INFO L262 CegarLoopResult]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2020-12-03 00:48:13,113 INFO L258 CegarLoopResult]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_atan2_~x (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (fp.lt ULTIMATE.start___ieee754_atan2_~y (_ +zero 11 53)) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0)) [2020-12-03 00:48:13,113 INFO L262 CegarLoopResult]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2020-12-03 00:48:13,113 INFO L262 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-12-03 00:48:13,113 INFO L262 CegarLoopResult]: For program point L183-2(line 183) no Hoare annotation was computed. [2020-12-03 00:48:13,114 INFO L262 CegarLoopResult]: For program point L217(lines 217 220) no Hoare annotation was computed. [2020-12-03 00:48:13,114 INFO L262 CegarLoopResult]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2020-12-03 00:48:13,114 INFO L262 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-12-03 00:48:13,114 INFO L262 CegarLoopResult]: For program point L85-1(lines 85 88) no Hoare annotation was computed. [2020-12-03 00:48:13,114 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 00:48:13,114 INFO L262 CegarLoopResult]: For program point L185(lines 185 209) no Hoare annotation was computed. [2020-12-03 00:48:13,114 INFO L262 CegarLoopResult]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2020-12-03 00:48:13,115 INFO L262 CegarLoopResult]: For program point L186(lines 186 208) no Hoare annotation was computed. [2020-12-03 00:48:13,115 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-03 00:48:13,115 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-03 00:48:13,115 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-03 00:48:13,115 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-03 00:48:13,115 INFO L262 CegarLoopResult]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2020-12-03 00:48:13,116 INFO L258 CegarLoopResult]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2020-12-03 00:48:13,116 INFO L262 CegarLoopResult]: For program point L187(lines 187 196) no Hoare annotation was computed. [2020-12-03 00:48:13,116 INFO L262 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-12-03 00:48:13,116 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-03 00:48:13,116 INFO L262 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-12-03 00:48:13,116 INFO L262 CegarLoopResult]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2020-12-03 00:48:13,117 INFO L258 CegarLoopResult]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_atan2_~x (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (fp.lt ULTIMATE.start___ieee754_atan2_~y (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ULTIMATE.start___ieee754_atan2_~ix~1 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|))) (= ULTIMATE.start___ieee754_atan2_~lx~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_36|)))) (exists ((|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_31| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= .cse0 ((_ 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|)) (_ +zero 11 53)) (= ULTIMATE.start___ieee754_atan2_~hx~1 .cse0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_31|)))))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0)) [2020-12-03 00:48:13,117 INFO L262 CegarLoopResult]: For program point L90(lines 90 115) no Hoare annotation was computed. [2020-12-03 00:48:13,117 INFO L262 CegarLoopResult]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2020-12-03 00:48:13,117 INFO L262 CegarLoopResult]: For program point L90-2(lines 90 115) no Hoare annotation was computed. [2020-12-03 00:48:13,117 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 00:48:13,118 INFO L262 CegarLoopResult]: For program point L256(lines 256 265) no Hoare annotation was computed. [2020-12-03 00:48:13,118 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-03 00:48:13,118 INFO L262 CegarLoopResult]: For program point L256-2(lines 256 265) no Hoare annotation was computed. [2020-12-03 00:48:13,118 INFO L262 CegarLoopResult]: For program point L91(lines 91 94) no Hoare annotation was computed. [2020-12-03 00:48:13,118 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2020-12-03 00:48:13,118 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 94) no Hoare annotation was computed. [2020-12-03 00:48:13,119 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 94) no Hoare annotation was computed. [2020-12-03 00:48:13,119 INFO L262 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-12-03 00:48:13,119 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-12-03 00:48:13,119 INFO L262 CegarLoopResult]: For program point L92-1(lines 92 93) no Hoare annotation was computed. [2020-12-03 00:48:13,119 INFO L262 CegarLoopResult]: For program point L26(lines 26 31) no Hoare annotation was computed. [2020-12-03 00:48:13,119 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2020-12-03 00:48:13,119 INFO L262 CegarLoopResult]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2020-12-03 00:48:13,120 INFO L262 CegarLoopResult]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2020-12-03 00:48:13,120 INFO L262 CegarLoopResult]: For program point L26-4(lines 19 33) no Hoare annotation was computed. [2020-12-03 00:48:13,120 INFO L262 CegarLoopResult]: For program point L26-5(lines 26 31) no Hoare annotation was computed. [2020-12-03 00:48:13,120 INFO L262 CegarLoopResult]: For program point L26-6(lines 26 31) no Hoare annotation was computed. [2020-12-03 00:48:13,120 INFO L262 CegarLoopResult]: For program point L26-7(lines 19 33) no Hoare annotation was computed. [2020-12-03 00:48:13,120 INFO L262 CegarLoopResult]: For program point L26-8(lines 26 31) no Hoare annotation was computed. [2020-12-03 00:48:13,120 INFO L262 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-12-03 00:48:13,121 INFO L262 CegarLoopResult]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2020-12-03 00:48:13,121 INFO L258 CegarLoopResult]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2020-12-03 00:48:13,121 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 00:48:13,121 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-03 00:48:13,121 INFO L262 CegarLoopResult]: For program point L128(lines 128 133) no Hoare annotation was computed. [2020-12-03 00:48:13,122 INFO L262 CegarLoopResult]: For program point L128-1(lines 128 133) no Hoare annotation was computed. [2020-12-03 00:48:13,122 INFO L262 CegarLoopResult]: For program point L261(lines 261 264) no Hoare annotation was computed. [2020-12-03 00:48:13,122 INFO L262 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-12-03 00:48:13,122 INFO L262 CegarLoopResult]: For program point L163(lines 163 165) no Hoare annotation was computed. [2020-12-03 00:48:13,122 INFO L262 CegarLoopResult]: For program point L98(lines 98 114) no Hoare annotation was computed. [2020-12-03 00:48:13,122 INFO L262 CegarLoopResult]: For program point L98-1(lines 98 114) no Hoare annotation was computed. [2020-12-03 00:48:13,123 INFO L258 CegarLoopResult]: At program point L32(lines 19 33) the Hoare annotation is: false [2020-12-03 00:48:13,123 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 00:48:13,123 INFO L258 CegarLoopResult]: At program point L32-1(lines 19 33) the Hoare annotation is: false [2020-12-03 00:48:13,123 INFO L258 CegarLoopResult]: At program point L32-2(lines 19 33) the Hoare annotation is: false [2020-12-03 00:48:13,123 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 262) no Hoare annotation was computed. [2020-12-03 00:48:13,123 INFO L262 CegarLoopResult]: For program point L231(lines 231 236) no Hoare annotation was computed. [2020-12-03 00:48:13,124 INFO L262 CegarLoopResult]: For program point L198(lines 198 207) no Hoare annotation was computed. [2020-12-03 00:48:13,124 INFO L262 CegarLoopResult]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2020-12-03 00:48:13,124 INFO L262 CegarLoopResult]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2020-12-03 00:48:13,124 INFO L262 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-12-03 00:48:13,127 INFO L262 CegarLoopResult]: For program point L99(lines 99 105) no Hoare annotation was computed. [2020-12-03 00:48:13,128 INFO L262 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2020-12-03 00:48:13,128 INFO L258 CegarLoopResult]: At program point L132-3(lines 66 134) the Hoare annotation is: false [2020-12-03 00:48:13,128 INFO L262 CegarLoopResult]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2020-12-03 00:48:13,128 INFO L262 CegarLoopResult]: For program point L132-4(line 132) no Hoare annotation was computed. [2020-12-03 00:48:13,128 INFO L262 CegarLoopResult]: For program point L132-6(line 132) no Hoare annotation was computed. [2020-12-03 00:48:13,129 INFO L258 CegarLoopResult]: At program point L132-7(lines 66 134) the Hoare annotation is: false [2020-12-03 00:48:13,129 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-03 00:48:13,129 INFO L262 CegarLoopResult]: For program point L166(lines 166 167) no Hoare annotation was computed. [2020-12-03 00:48:13,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:48:13 BoogieIcfgContainer [2020-12-03 00:48:13,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 00:48:13,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 00:48:13,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 00:48:13,183 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 00:48:13,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:26" (3/4) ... [2020-12-03 00:48:13,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 00:48:13,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-03 00:48:13,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-03 00:48:13,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 00:48:13,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 00:48:13,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((x == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_36[63:32])) && lx == v_skolemized_q#valueAsBitvector_36[31:0])) && (\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]) == ~Pluszero~LONGDOUBLE()) && hx == 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])) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 [2020-12-03 00:48:13,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 [2020-12-03 00:48:13,312 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-03 00:48:13,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 00:48:13,313 INFO L168 Benchmark]: Toolchain (without parser) took 280493.53 ms. Allocated memory was 41.9 MB in the beginning and 69.2 MB in the end (delta: 27.3 MB). Free memory was 17.6 MB in the beginning and 40.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-12-03 00:48:13,314 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 00:48:13,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.77 ms. Allocated memory was 41.9 MB in the beginning and 56.6 MB in the end (delta: 14.7 MB). Free memory was 17.4 MB in the beginning and 38.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-12-03 00:48:13,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.58 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 34.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 00:48:13,315 INFO L168 Benchmark]: Boogie Preprocessor took 104.40 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 31.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 00:48:13,316 INFO L168 Benchmark]: RCFGBuilder took 53475.91 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.1 MB in the beginning and 41.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-12-03 00:48:13,316 INFO L168 Benchmark]: TraceAbstraction took 226206.92 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 19.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-12-03 00:48:13,316 INFO L168 Benchmark]: Witness Printer took 129.11 ms. Allocated memory is still 69.2 MB. Free memory was 19.2 MB in the beginning and 40.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-12-03 00:48:13,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.77 ms. Allocated memory was 41.9 MB in the beginning and 56.6 MB in the end (delta: 14.7 MB). Free memory was 17.4 MB in the beginning and 38.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.58 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 34.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.40 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 31.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 53475.91 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.1 MB in the beginning and 41.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 226206.92 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 19.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Witness Printer took 129.11 ms. Allocated memory is still 69.2 MB. Free memory was 19.2 MB in the beginning and 40.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 2.3 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_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,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_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,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 [2020-12-03 00:48:13,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2020-12-03 00:48:13,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] [2020-12-03 00:48:13,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0.base_5,QUANTIFIED] [2020-12-03 00:48:13,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_31,QUANTIFIED] Derived loop invariant: ((((((x == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_36[63:32])) && lx == v_skolemized_q#valueAsBitvector_36[31:0])) && (\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]) == ~Pluszero~LONGDOUBLE()) && hx == 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])) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 - InvariantResult [Line: 144]: Loop Invariant [2020-12-03 00:48:13,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && ~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 [2020-12-03 00:48:13,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 00:48:13,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~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: 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: 246]: Loop Invariant Derived loop invariant: 1 - 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: 223.2s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 194.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 769 SDtfs, 772 SDslu, 2169 SDs, 0 SdLazy, 294 SolverSat, 31 SolverUnsat, 57 SolverUnknown, 0 SolverNotchecked, 166.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 38.3s 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 84 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 17 PreInvPairs, 21 NumberOfFragments, 138 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 85 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 148 ConstructedInterpolants, 46 QuantifiedInterpolants, 33365 SizeOfPredicates, 52 NumberOfNonLiveVariables, 1151 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available 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...