./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c1f4b5c4 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0670.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7437f00c34877da3eeb70986d6a7f4bae4c9669a ............................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0670.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7437f00c34877da3eeb70986d6a7f4bae4c9669a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-c1f4b5c [2019-12-08 15:47:14,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:47:14,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:47:14,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:47:14,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:47:14,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:47:14,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:47:14,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:47:14,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:47:14,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:47:14,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:47:14,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:47:14,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:47:14,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:47:14,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:47:14,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:47:14,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:47:14,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:47:14,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:47:14,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:47:14,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:47:14,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:47:14,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:47:14,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:47:14,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:47:14,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:47:14,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:47:14,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:47:14,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:47:14,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:47:14,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:14,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:14,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:14,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:14,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:14,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:14,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:14,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:14,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:14,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:14,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:14,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:47:14,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:14,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:14,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:14,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:14,868 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:14,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:14,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:14,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:47:14,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:14,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:14,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:14,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:14,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:14,871 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:14,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:14,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:14,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:14,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:14,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:14,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:14,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:14,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:14,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:14,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:14,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:14,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:47:14,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:47:14,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:14,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:14,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2019-12-08 15:47:15,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:15,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:15,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:15,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:15,190 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:15,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-08 15:47:15,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f3f667b/db2898c93eee4788bb15e21941125ff6/FLAG98cc134cd [2019-12-08 15:47:15,743 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:15,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-08 15:47:15,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f3f667b/db2898c93eee4788bb15e21941125ff6/FLAG98cc134cd [2019-12-08 15:47:16,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f3f667b/db2898c93eee4788bb15e21941125ff6 [2019-12-08 15:47:16,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:16,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:16,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:16,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:16,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:16,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621789d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16, skipping insertion in model container [2019-12-08 15:47:16,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:16,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:16,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:16,505 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:16,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:16,607 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:16,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16 WrapperNode [2019-12-08 15:47:16,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:16,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:16,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:16,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:16,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:16,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:16,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:16,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:16,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:16,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:16,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:16,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:16,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (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 [2019-12-08 15:47:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:47:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:47:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:47:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:47:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-08 15:47:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:47:17,857 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:47:17,858 INFO L287 CfgBuilder]: Removed 50 assume(true) statements. [2019-12-08 15:47:17,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:17 BoogieIcfgContainer [2019-12-08 15:47:17,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:47:17,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:47:17,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:47:17,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:47:17,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:16" (1/3) ... [2019-12-08 15:47:17,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65666016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:17, skipping insertion in model container [2019-12-08 15:47:17,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (2/3) ... [2019-12-08 15:47:17,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65666016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:17, skipping insertion in model container [2019-12-08 15:47:17,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:17" (3/3) ... [2019-12-08 15:47:17,869 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2019-12-08 15:47:17,878 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:47:17,886 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:47:17,898 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:47:17,922 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:47:17,923 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:47:17,923 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:47:17,923 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:47:17,923 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:47:17,923 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:47:17,924 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:47:17,924 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:47:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-12-08 15:47:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:47:17,951 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:17,952 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:17,953 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:17,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:17,960 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2019-12-08 15:47:17,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:17,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049791608] [2019-12-08 15:47:17,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:47:18,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:47:18,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049791608] [2019-12-08 15:47:18,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:47:18,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:47:18,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065815787] [2019-12-08 15:47:18,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:47:18,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:47:18,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:47:18,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:18,156 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-12-08 15:47:18,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:47:18,192 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2019-12-08 15:47:18,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:47:18,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-08 15:47:18,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:47:18,207 INFO L225 Difference]: With dead ends: 232 [2019-12-08 15:47:18,208 INFO L226 Difference]: Without dead ends: 115 [2019-12-08 15:47:18,212 INFO L631 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 [2019-12-08 15:47:18,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-08 15:47:18,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-08 15:47:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-08 15:47:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-08 15:47:18,261 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2019-12-08 15:47:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:47:18,261 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-08 15:47:18,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:47:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-08 15:47:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-08 15:47:18,263 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:18,263 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:18,264 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:18,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2019-12-08 15:47:18,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:18,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639565091] [2019-12-08 15:47:18,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:18,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:47:18,470 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:47:18,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:47:18 BoogieIcfgContainer [2019-12-08 15:47:18,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:47:18,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:47:18,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:47:18,520 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:47:18,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:17" (3/4) ... [2019-12-08 15:47:18,524 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:47:18,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:47:18,527 INFO L168 Benchmark]: Toolchain (without parser) took 2438.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 960.4 MB in the beginning and 997.3 MB in the end (delta: -37.0 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,528 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:18,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,531 INFO L168 Benchmark]: Boogie Preprocessor took 88.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:18,532 INFO L168 Benchmark]: RCFGBuilder took 1072.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,532 INFO L168 Benchmark]: TraceAbstraction took 658.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.3 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,533 INFO L168 Benchmark]: Witness Printer took 5.68 ms. Allocated memory is still 1.1 GB. Free memory is still 997.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:18,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1072.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 658.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.3 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.68 ms. Allocated memory is still 1.1 GB. Free memory is still 997.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 262]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 245. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = __VERIFIER_nondet_double(); [L254] double y = __VERIFIER_nondet_double(); [L245] return x != x; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] isnan_double(x) || isnan_double(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] COND TRUE isnan_double(x) || isnan_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] double res = __ieee754_atan2(y, x); [L245] return x != x; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L261] COND TRUE !isnan_double(res) [L262] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 169 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=119occurred 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, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 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, 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 0.1.25-c1f4b5c [2019-12-08 15:47:20,541 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-12-08 15:47:20,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:20,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:20,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:20,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:20,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:20,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:20,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:20,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:20,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:20,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:20,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:20,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:47:20,630 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:20,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:20,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:20,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:20,633 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:20,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:20,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:20,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:20,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:20,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:20,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:20,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:20,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:47:20,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:47:20,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:20,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:20,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:20,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:20,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:20,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:20,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:20,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:20,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:20,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:20,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:20,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:20,642 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:47:20,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:47:20,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:20,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:20,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:47:20,643 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 7437f00c34877da3eeb70986d6a7f4bae4c9669a [2019-12-08 15:47:20,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:20,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:20,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:20,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:20,973 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:20,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-08 15:47:21,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c4394ae/293e06430ade4dc3bf26dd11bb359a30/FLAG1e3f4953d [2019-12-08 15:47:21,554 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:21,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2019-12-08 15:47:21,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c4394ae/293e06430ade4dc3bf26dd11bb359a30/FLAG1e3f4953d [2019-12-08 15:47:21,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4c4394ae/293e06430ade4dc3bf26dd11bb359a30 [2019-12-08 15:47:21,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:21,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:21,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:21,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:21,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:21,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:21" (1/1) ... [2019-12-08 15:47:21,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759561cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:21, skipping insertion in model container [2019-12-08 15:47:21,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:21" (1/1) ... [2019-12-08 15:47:21,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:21,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:22,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:22,370 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:22,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:22,496 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:22,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22 WrapperNode [2019-12-08 15:47:22,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:22,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:22,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:22,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:22,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:22,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:22,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:22,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:22,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:22,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:22,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:22,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:22,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (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 [2019-12-08 15:47:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:47:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:47:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-08 15:47:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:47:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:47:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:48:00,678 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:48:00,679 INFO L287 CfgBuilder]: Removed 50 assume(true) statements. [2019-12-08 15:48:00,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:00 BoogieIcfgContainer [2019-12-08 15:48:00,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:48:00,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:48:00,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:48:00,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:48:00,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:21" (1/3) ... [2019-12-08 15:48:00,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0f53dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:48:00, skipping insertion in model container [2019-12-08 15:48:00,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (2/3) ... [2019-12-08 15:48:00,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0f53dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:48:00, skipping insertion in model container [2019-12-08 15:48:00,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:00" (3/3) ... [2019-12-08 15:48:00,689 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2019-12-08 15:48:00,699 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:48:00,706 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:48:00,716 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:48:00,737 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:48:00,738 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:48:00,738 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:48:00,738 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:48:00,738 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:48:00,738 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:48:00,738 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:48:00,739 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:48:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-12-08 15:48:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-08 15:48:00,761 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:00,762 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:00,762 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:00,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:00,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2019-12-08 15:48:00,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:00,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038986603] [2019-12-08 15:48:00,778 INFO L94 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 [2019-12-08 15:48:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:48:01,168 INFO L264 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:48:01,173 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:48:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:01,188 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:48:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:01,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038986603] [2019-12-08 15:48:01,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:48:01,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:48:01,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198656329] [2019-12-08 15:48:01,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:48:01,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:48:01,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:48:01,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:48:01,220 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-12-08 15:48:01,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:48:01,255 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2019-12-08 15:48:01,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:48:01,257 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-08 15:48:01,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:48:01,270 INFO L225 Difference]: With dead ends: 232 [2019-12-08 15:48:01,270 INFO L226 Difference]: Without dead ends: 115 [2019-12-08 15:48:01,274 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:48:01,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-08 15:48:01,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-08 15:48:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-08 15:48:01,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-08 15:48:01,323 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2019-12-08 15:48:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:48:01,323 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-08 15:48:01,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:48:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-08 15:48:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-08 15:48:01,325 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:01,325 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:01,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:48:01,541 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:01,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:01,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2019-12-08 15:48:01,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:01,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603849406] [2019-12-08 15:48:01,545 INFO L94 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 [2019-12-08 15:48:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:48:01,956 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-08 15:48:01,959 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:48:02,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:02,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:02,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:02,862 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:48:06,685 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-08 15:48:08,415 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-08 15:48:08,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:10,281 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-08 15:48:10,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:10,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603849406] [2019-12-08 15:48:10,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:48:10,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2019-12-08 15:48:10,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256060373] [2019-12-08 15:48:10,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-08 15:48:10,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:48:10,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-08 15:48:10,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-12-08 15:48:10,360 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 17 states. [2019-12-08 15:48:15,402 WARN L192 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2019-12-08 15:48:18,430 WARN L192 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-12-08 15:50:36,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:50:36,960 INFO L93 Difference]: Finished difference Result 244 states and 339 transitions. [2019-12-08 15:50:36,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-08 15:50:36,981 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2019-12-08 15:50:36,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:50:36,986 INFO L225 Difference]: With dead ends: 244 [2019-12-08 15:50:36,986 INFO L226 Difference]: Without dead ends: 239 [2019-12-08 15:50:36,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2019-12-08 15:50:36,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-12-08 15:50:37,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 123. [2019-12-08 15:50:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-12-08 15:50:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2019-12-08 15:50:37,016 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 16 [2019-12-08 15:50:37,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:50:37,017 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2019-12-08 15:50:37,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-08 15:50:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2019-12-08 15:50:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-08 15:50:37,019 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:50:37,019 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:50:37,219 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:50:37,220 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:50:37,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:50:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash 2144381910, now seen corresponding path program 1 times [2019-12-08 15:50:37,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:50:37,223 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731021916] [2019-12-08 15:50:37,223 INFO L94 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 [2019-12-08 15:50:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:50:37,656 INFO L264 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-08 15:50:37,658 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:50:37,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:50:38,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:50:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:50:38,338 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:50:40,372 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-08 15:50:42,496 WARN L192 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-08 15:50:42,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:50:44,282 WARN L192 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-08 15:50:44,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:50:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:50:44,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731021916] [2019-12-08 15:50:44,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:50:44,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-12-08 15:50:44,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461891289] [2019-12-08 15:50:44,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-08 15:50:44,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:50:44,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-08 15:50:44,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-08 15:50:44,360 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand 15 states. [2019-12-08 15:50:46,679 WARN L192 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-08 15:50:48,165 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2019-12-08 15:50:50,851 WARN L192 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2019-12-08 15:50:53,350 WARN L192 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2019-12-08 15:51:13,560 WARN L192 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 20 [2019-12-08 15:52:31,133 WARN L192 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-12-08 15:53:44,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:53:44,279 INFO L93 Difference]: Finished difference Result 214 states and 299 transitions. [2019-12-08 15:53:44,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-08 15:53:44,298 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-12-08 15:53:44,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:53:44,300 INFO L225 Difference]: With dead ends: 214 [2019-12-08 15:53:44,300 INFO L226 Difference]: Without dead ends: 209 [2019-12-08 15:53:44,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2019-12-08 15:53:44,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-12-08 15:53:44,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 128. [2019-12-08 15:53:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-08 15:53:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-12-08 15:53:44,316 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 17 [2019-12-08 15:53:44,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:53:44,316 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-12-08 15:53:44,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-08 15:53:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-12-08 15:53:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-08 15:53:44,318 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:53:44,318 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:53:44,527 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-08 15:53:44,528 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:53:44,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:53:44,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1759093575, now seen corresponding path program 1 times [2019-12-08 15:53:44,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:53:44,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271895733] [2019-12-08 15:53:44,530 INFO L94 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 [2019-12-08 15:53:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:53:44,950 INFO L264 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-08 15:53:44,952 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:53:44,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:53:44,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:53:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:53:45,093 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:53:45,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:53:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:53:45,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271895733] [2019-12-08 15:53:45,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:53:45,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-08 15:53:45,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886370718] [2019-12-08 15:53:45,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-08 15:53:45,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:53:45,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-08 15:53:45,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-12-08 15:53:45,448 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 14 states. [2019-12-08 15:53:49,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:53:49,164 INFO L93 Difference]: Finished difference Result 224 states and 312 transitions. [2019-12-08 15:53:49,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-08 15:53:49,168 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2019-12-08 15:53:49,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:53:49,170 INFO L225 Difference]: With dead ends: 224 [2019-12-08 15:53:49,170 INFO L226 Difference]: Without dead ends: 191 [2019-12-08 15:53:49,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2019-12-08 15:53:49,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-08 15:53:49,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 132. [2019-12-08 15:53:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-08 15:53:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2019-12-08 15:53:49,182 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 21 [2019-12-08 15:53:49,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:53:49,183 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2019-12-08 15:53:49,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-08 15:53:49,183 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2019-12-08 15:53:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-08 15:53:49,185 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:53:49,185 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:53:49,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-08 15:53:49,388 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:53:49,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:53:49,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1210389367, now seen corresponding path program 1 times [2019-12-08 15:53:49,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:53:49,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818001188] [2019-12-08 15:53:49,390 INFO L94 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 [2019-12-08 15:53:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:53:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:53:50,569 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:53:50,570 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:53:50,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-08 15:53:50,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:53:50 BoogieIcfgContainer [2019-12-08 15:53:50,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:53:50,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:53:50,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:53:50,878 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:53:50,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:00" (3/4) ... [2019-12-08 15:53:50,881 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:53:51,029 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:53:51,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:53:51,031 INFO L168 Benchmark]: Toolchain (without parser) took 389138.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 956.3 MB in the beginning and 961.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:51,031 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:53:51,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:51,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:53:51,033 INFO L168 Benchmark]: Boogie Preprocessor took 96.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:51,034 INFO L168 Benchmark]: RCFGBuilder took 38002.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:51,034 INFO L168 Benchmark]: TraceAbstraction took 350195.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.0 GB in the beginning and 968.5 MB in the end (delta: 81.3 MB). Peak memory consumption was 142.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:51,034 INFO L168 Benchmark]: Witness Printer took 152.57 ms. Allocated memory is still 1.2 GB. Free memory was 968.5 MB in the beginning and 961.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:53:51,041 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 38002.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 350195.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.0 GB in the beginning and 968.5 MB in the end (delta: 81.3 MB). Peak memory consumption was 142.1 MB. Max. memory is 11.5 GB. * Witness Printer took 152.57 ms. Allocated memory is still 1.2 GB. Free memory was 968.5 MB in the beginning and 961.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 262]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] 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={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = __VERIFIER_nondet_double(); [L254] double y = __VERIFIER_nondet_double(); [L245] return x != x; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] isnan_double(x) || isnan_double(y) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] COND TRUE isnan_double(x) || isnan_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L168] COND TRUE (iy | ly) == 0 [L170] case 0: VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L171] case 1: [L172] return y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] double res = __ieee754_atan2(y, x); [L245] return x != x; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L261] COND TRUE !isnan_double(res) [L262] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Result: UNSAFE, OverallTime: 350.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 330.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 651 SDtfs, 2740 SDslu, 3434 SDs, 0 SdLazy, 796 SolverSat, 47 SolverUnsat, 77 SolverUnknown, 0 SolverNotchecked, 299.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 29.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, 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, 4 MinimizatonAttempts, 256 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 43 QuantifiedInterpolants, 16456 SizeOfPredicates, 45 NumberOfNonLiveVariables, 534 ConjunctsInSsa, 46 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...