./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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_1211b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 ............................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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_1211b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:33:06,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:33:06,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:33:06,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:33:06,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:33:06,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:33:06,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:33:06,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:33:06,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:33:06,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:33:06,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:33:06,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:33:06,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:33:06,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:33:06,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:33:06,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:33:06,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:33:06,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:33:06,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:33:06,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:33:06,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:33:06,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:33:06,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:33:06,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:33:06,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:33:06,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:33:06,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:33:06,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:33:06,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:33:06,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:33:06,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:33:06,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:33:06,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:33:06,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:33:06,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:33:06,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:33:06,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:33:06,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:33:06,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:33:06,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:33:06,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:33:06,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:33:06,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:33:06,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:33:06,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:33:06,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:33:06,928 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:33:06,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:33:06,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:33:06,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:33:06,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:33:06,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:33:06,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:33:06,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:33:06,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:33:06,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:33:06,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:33:06,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:33:06,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:33:06,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:33:06,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:33:06,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:33:06,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:33:06,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:06,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:33:06,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:33:06,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:33:06,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:33:06,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:33:06,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:33:06,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:33:06,933 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 [2020-10-20 00:33:07,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:33:07,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:33:07,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:33:07,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:33:07,210 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:33:07,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-20 00:33:07,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dfcd1d35/4d1b06ac65e141a9a40d4cd26e8998f8/FLAG287bbaa64 [2020-10-20 00:33:07,724 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:33:07,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-20 00:33:07,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dfcd1d35/4d1b06ac65e141a9a40d4cd26e8998f8/FLAG287bbaa64 [2020-10-20 00:33:08,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dfcd1d35/4d1b06ac65e141a9a40d4cd26e8998f8 [2020-10-20 00:33:08,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:33:08,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:33:08,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:08,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:33:08,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:33:08,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14075c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08, skipping insertion in model container [2020-10-20 00:33:08,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:33:08,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:33:08,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:08,453 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:33:08,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:08,518 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:33:08,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08 WrapperNode [2020-10-20 00:33:08,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:08,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:08,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:33:08,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:33:08,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:08,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:33:08,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:33:08,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:33:08,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:33:08,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:33:08,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:33:08,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:33:08,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:33:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:33:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:33:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:33:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:33:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:33:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:33:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:33:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:33:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:33:09,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:33:09,281 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-20 00:33:09,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:09 BoogieIcfgContainer [2020-10-20 00:33:09,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:33:09,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:33:09,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:33:09,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:33:09,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:33:08" (1/3) ... [2020-10-20 00:33:09,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724b4523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:09, skipping insertion in model container [2020-10-20 00:33:09,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (2/3) ... [2020-10-20 00:33:09,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724b4523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:09, skipping insertion in model container [2020-10-20 00:33:09,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:09" (3/3) ... [2020-10-20 00:33:09,291 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211b.c [2020-10-20 00:33:09,303 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:33:09,310 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:33:09,324 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:33:09,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:33:09,350 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:33:09,350 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:33:09,350 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:33:09,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:33:09,350 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:33:09,351 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:33:09,351 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:33:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-10-20 00:33:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:33:09,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:09,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:09,390 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:09,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:09,396 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-10-20 00:33:09,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:33:09,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556240231] [2020-10-20 00:33:09,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:33:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:09,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556240231] [2020-10-20 00:33:09,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:09,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:33:09,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191378490] [2020-10-20 00:33:09,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:33:09,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:33:09,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:33:09,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:09,574 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-10-20 00:33:09,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:09,596 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-10-20 00:33:09,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:33:09,598 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-20 00:33:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:09,608 INFO L225 Difference]: With dead ends: 103 [2020-10-20 00:33:09,609 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 00:33:09,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 00:33:09,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 00:33:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 00:33:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-20 00:33:09,645 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-10-20 00:33:09,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:09,645 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-20 00:33:09,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:33:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-20 00:33:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:33:09,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:09,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:09,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:33:09,648 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:09,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:09,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-10-20 00:33:09,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:33:09,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254645426] [2020-10-20 00:33:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:33:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:09,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254645426] [2020-10-20 00:33:09,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:09,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:33:09,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101358650] [2020-10-20 00:33:09,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:33:09,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:33:09,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:33:09,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:09,807 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-10-20 00:33:09,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:09,844 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2020-10-20 00:33:09,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:33:09,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-20 00:33:09,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:09,846 INFO L225 Difference]: With dead ends: 52 [2020-10-20 00:33:09,846 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 00:33:09,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 00:33:09,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 00:33:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 00:33:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-10-20 00:33:09,854 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2020-10-20 00:33:09,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:09,855 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-10-20 00:33:09,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:33:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-10-20 00:33:09,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 00:33:09,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:09,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:09,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:33:09,857 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:09,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:09,858 INFO L82 PathProgramCache]: Analyzing trace with hash 581418946, now seen corresponding path program 1 times [2020-10-20 00:33:09,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:33:09,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165144380] [2020-10-20 00:33:09,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:33:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:33:10,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:33:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:33:10,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:33:10,174 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:33:10,177 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:33:10,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 00:33:10,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:33:10 BoogieIcfgContainer [2020-10-20 00:33:10,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:33:10,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:33:10,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:33:10,262 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:33:10,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:09" (3/4) ... [2020-10-20 00:33:10,267 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:33:10,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:33:10,271 INFO L168 Benchmark]: Toolchain (without parser) took 2166.80 ms. Allocated memory was 35.7 MB in the beginning and 50.3 MB in the end (delta: 14.7 MB). Free memory was 9.6 MB in the beginning and 10.1 MB in the end (delta: -539.8 kB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,272 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 35.7 MB. Free memory is still 14.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:33:10,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.05 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 8.6 MB in the beginning and 25.1 MB in the end (delta: -16.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.11 ms. Allocated memory is still 45.1 MB. Free memory was 25.1 MB in the beginning and 22.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,284 INFO L168 Benchmark]: Boogie Preprocessor took 45.12 ms. Allocated memory is still 45.1 MB. Free memory was 22.4 MB in the beginning and 19.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,286 INFO L168 Benchmark]: RCFGBuilder took 660.88 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 19.9 MB in the beginning and 16.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,290 INFO L168 Benchmark]: TraceAbstraction took 976.60 ms. Allocated memory was 47.2 MB in the beginning and 50.3 MB in the end (delta: 3.1 MB). Free memory was 16.3 MB in the beginning and 10.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,291 INFO L168 Benchmark]: Witness Printer took 5.68 ms. Allocated memory is still 50.3 MB. Free memory was 10.9 MB in the beginning and 10.5 MB in the end (delta: 395.5 kB). Peak memory consumption was 395.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 35.7 MB. Free memory is still 14.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 411.05 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 8.6 MB in the beginning and 25.1 MB in the end (delta: -16.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 57.11 ms. Allocated memory is still 45.1 MB. Free memory was 25.1 MB in the beginning and 22.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 45.12 ms. Allocated memory is still 45.1 MB. Free memory was 22.4 MB in the beginning and 19.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 660.88 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 19.9 MB in the beginning and 16.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 976.60 ms. Allocated memory was 47.2 MB in the beginning and 50.3 MB in the end (delta: 3.1 MB). Free memory was 16.3 MB in the beginning and 10.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Witness Printer took 5.68 ms. Allocated memory is still 50.3 MB. Free memory was 10.9 MB in the beginning and 10.5 MB in the end (delta: 395.5 kB). Peak memory consumption was 395.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146, overapproximation of bitwiseAnd at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 151. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = -1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [one_modf=1] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (i1) = ew_u.parts.lsw [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L32] COND TRUE j0 < 20 VAL [one_modf=1] [L33] COND TRUE j0 < 0 VAL [one_modf=1] [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (i0 & 0x80000000) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (*iptr) = iw_u.value [L40] return x; VAL [one_modf=1] [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L114] __int32_t hx, lx; VAL [one_modf=1] [L116] ieee_double_shape_type ew_u; [L117] ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] (lx) = ew_u.parts.lsw [L121] hx &= 0x7fffffff [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L151] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) VAL [one_modf=1] [L151] COND TRUE isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_1211b.c", 3, "reach_error") VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:33:12,365 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:33:12,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:33:12,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:33:12,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:33:12,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:33:12,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:33:12,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:33:12,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:33:12,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:33:12,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:33:12,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:33:12,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:33:12,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:33:12,491 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:33:12,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:33:12,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:33:12,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:33:12,493 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:33:12,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:33:12,493 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:33:12,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:33:12,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:33:12,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:33:12,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:33:12,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:33:12,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:33:12,495 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:33:12,495 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:33:12,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:33:12,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:33:12,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:33:12,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:33:12,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:33:12,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:33:12,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:33:12,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:12,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:33:12,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:33:12,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:33:12,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:33:12,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:33:12,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:33:12,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:33:12,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:33:12,499 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 [2020-10-20 00:33:12,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:33:12,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:33:12,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:33:12,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:33:12,710 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:33:12,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-20 00:33:12,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d936245bf/b3af4158863e4db982c5a8da25ba2c1e/FLAGacf3c20f3 [2020-10-20 00:33:13,253 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:33:13,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-10-20 00:33:13,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d936245bf/b3af4158863e4db982c5a8da25ba2c1e/FLAGacf3c20f3 [2020-10-20 00:33:13,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d936245bf/b3af4158863e4db982c5a8da25ba2c1e [2020-10-20 00:33:13,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:33:13,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:33:13,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:13,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:33:13,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:33:13,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:13" (1/1) ... [2020-10-20 00:33:13,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d2c57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:13, skipping insertion in model container [2020-10-20 00:33:13,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:13" (1/1) ... [2020-10-20 00:33:13,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:33:13,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:33:13,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:13,940 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:33:13,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:14,010 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:33:14,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14 WrapperNode [2020-10-20 00:33:14,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:14,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:14,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:33:14,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:33:14,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:14,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:33:14,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:33:14,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:33:14,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:33:14,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:33:14,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:33:14,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:33:14,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:33:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:33:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:33:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:33:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:33:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:33:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:33:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:33:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:33:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:33:15,386 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:33:15,386 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-20 00:33:15,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:15 BoogieIcfgContainer [2020-10-20 00:33:15,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:33:15,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:33:15,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:33:15,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:33:15,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:33:13" (1/3) ... [2020-10-20 00:33:15,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b21bd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:15, skipping insertion in model container [2020-10-20 00:33:15,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (2/3) ... [2020-10-20 00:33:15,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b21bd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:15, skipping insertion in model container [2020-10-20 00:33:15,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:15" (3/3) ... [2020-10-20 00:33:15,396 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211b.c [2020-10-20 00:33:15,407 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:33:15,414 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:33:15,427 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:33:15,448 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:33:15,449 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:33:15,449 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:33:15,449 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:33:15,449 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:33:15,449 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:33:15,450 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:33:15,450 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:33:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-10-20 00:33:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:33:15,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:15,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:15,470 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:15,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:15,474 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-10-20 00:33:15,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:15,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165909859] [2020-10-20 00:33:15,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:15,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:33:15,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:15,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:15,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165909859] [2020-10-20 00:33:15,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:15,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:33:15,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592687811] [2020-10-20 00:33:15,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:33:15,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:15,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:33:15,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:15,696 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-10-20 00:33:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:15,722 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-10-20 00:33:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:33:15,724 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-20 00:33:15,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:15,739 INFO L225 Difference]: With dead ends: 103 [2020-10-20 00:33:15,740 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 00:33:15,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:15,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 00:33:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 00:33:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 00:33:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-20 00:33:15,795 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-10-20 00:33:15,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:15,796 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-20 00:33:15,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:33:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-20 00:33:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:33:15,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:15,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:16,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:33:16,013 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:16,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:16,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-10-20 00:33:16,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:16,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609676898] [2020-10-20 00:33:16,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:16,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:33:16,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:16,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:16,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609676898] [2020-10-20 00:33:16,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:16,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:33:16,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133281632] [2020-10-20 00:33:16,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:33:16,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:16,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:33:16,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:33:16,536 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2020-10-20 00:33:17,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:17,346 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2020-10-20 00:33:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:33:17,347 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-20 00:33:17,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:17,348 INFO L225 Difference]: With dead ends: 64 [2020-10-20 00:33:17,348 INFO L226 Difference]: Without dead ends: 27 [2020-10-20 00:33:17,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-20 00:33:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-20 00:33:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-20 00:33:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 00:33:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-20 00:33:17,369 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2020-10-20 00:33:17,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:17,369 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-20 00:33:17,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:33:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-20 00:33:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 00:33:17,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:17,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:17,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:33:17,575 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:17,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:17,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1408426499, now seen corresponding path program 1 times [2020-10-20 00:33:17,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:17,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718552661] [2020-10-20 00:33:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:17,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 00:33:17,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:17,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:17,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718552661] [2020-10-20 00:33:17,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:17,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-20 00:33:17,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369188756] [2020-10-20 00:33:17,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:33:17,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:17,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:33:17,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:17,959 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 3 states. [2020-10-20 00:33:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:17,987 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-10-20 00:33:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:33:17,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 00:33:17,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:17,989 INFO L225 Difference]: With dead ends: 30 [2020-10-20 00:33:17,989 INFO L226 Difference]: Without dead ends: 27 [2020-10-20 00:33:17,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:17,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-20 00:33:18,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-20 00:33:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 00:33:18,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-10-20 00:33:18,005 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2020-10-20 00:33:18,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:18,006 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-10-20 00:33:18,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:33:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-10-20 00:33:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 00:33:18,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:18,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:18,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:33:18,220 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:18,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash -605570489, now seen corresponding path program 1 times [2020-10-20 00:33:18,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:18,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819547648] [2020-10-20 00:33:18,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:18,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 00:33:18,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:18,671 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2020-10-20 00:33:18,677 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:33:18,681 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:18,682 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:33:18,684 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:18,685 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:33:18,685 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-10-20 00:33:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:18,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:18,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819547648] [2020-10-20 00:33:18,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:18,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-20 00:33:18,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952417913] [2020-10-20 00:33:18,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:33:18,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:18,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:33:18,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:33:18,843 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 9 states. [2020-10-20 00:33:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:19,607 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-10-20 00:33:19,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:33:19,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-20 00:33:19,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:19,610 INFO L225 Difference]: With dead ends: 31 [2020-10-20 00:33:19,610 INFO L226 Difference]: Without dead ends: 27 [2020-10-20 00:33:19,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:33:19,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-20 00:33:19,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-20 00:33:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 00:33:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-10-20 00:33:19,617 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2020-10-20 00:33:19,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:19,618 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-10-20 00:33:19,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:33:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-10-20 00:33:19,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 00:33:19,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:19,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:19,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 00:33:19,833 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:19,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:19,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1265561966, now seen corresponding path program 1 times [2020-10-20 00:33:19,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:19,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817391532] [2020-10-20 00:33:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:20,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2020-10-20 00:33:20,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:20,262 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2020-10-20 00:33:20,280 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:33:20,283 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:20,284 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:33:20,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:20,299 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 00:33:20,299 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:70, output treesize:40 [2020-10-20 00:33:20,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:33:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:20,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:21,362 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2020-10-20 00:33:21,365 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:33:21,367 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:21,367 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:33:21,375 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:21,376 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:33:21,377 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:66, output treesize:36 [2020-10-20 00:33:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:21,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817391532] [2020-10-20 00:33:21,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:21,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 18 [2020-10-20 00:33:21,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219656682] [2020-10-20 00:33:21,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-20 00:33:21,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:21,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-20 00:33:21,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-20 00:33:21,637 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 18 states. [2020-10-20 00:33:24,067 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-10-20 00:33:24,327 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-10-20 00:33:24,609 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-20 00:33:24,915 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-20 00:33:24,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:24,917 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-10-20 00:33:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 00:33:24,917 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2020-10-20 00:33:24,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:24,918 INFO L225 Difference]: With dead ends: 27 [2020-10-20 00:33:24,918 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:33:24,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2020-10-20 00:33:24,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:33:24,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:33:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:33:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:33:24,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-20 00:33:24,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:24,920 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:33:24,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-20 00:33:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:33:24,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:33:25,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 00:33:25,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:33:25,615 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-20 00:33:25,931 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-20 00:33:26,459 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-10-20 00:33:26,878 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-10-20 00:33:27,108 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-10-20 00:33:27,127 INFO L274 CegarLoopResult]: For program point L93(lines 93 98) no Hoare annotation was computed. [2020-10-20 00:33:27,127 INFO L274 CegarLoopResult]: For program point L93-1(lines 85 100) no Hoare annotation was computed. [2020-10-20 00:33:27,127 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 98) no Hoare annotation was computed. [2020-10-20 00:33:27,127 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-20 00:33:27,127 INFO L274 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-10-20 00:33:27,127 INFO L274 CegarLoopResult]: For program point L85(lines 85 108) no Hoare annotation was computed. [2020-10-20 00:33:27,127 INFO L274 CegarLoopResult]: For program point L151-3(line 151) no Hoare annotation was computed. [2020-10-20 00:33:27,128 INFO L274 CegarLoopResult]: For program point L151-5(lines 151 154) no Hoare annotation was computed. [2020-10-20 00:33:27,128 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:33:27,128 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:33:27,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,129 INFO L270 CegarLoopResult]: At program point L136(lines 127 137) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short39| (exists ((v_skolemized_v_prenex_6_3 (_ BitVec 64)) (v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) v_skolemized_v_prenex_6_3) ((_ extract 62 52) v_skolemized_v_prenex_6_3) ((_ extract 51 0) v_skolemized_v_prenex_6_3))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_6_3)))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~x (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse4 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-10-20 00:33:27,129 INFO L274 CegarLoopResult]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2020-10-20 00:33:27,129 INFO L270 CegarLoopResult]: At program point L46-2(lines 46 50) the Hoare annotation is: false [2020-10-20 00:33:27,129 INFO L274 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-10-20 00:33:27,129 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_modf_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-10-20 00:33:27,129 INFO L274 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2020-10-20 00:33:27,130 INFO L270 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2020-10-20 00:33:27,130 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-10-20 00:33:27,130 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short39| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-10-20 00:33:27,130 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-10-20 00:33:27,130 INFO L274 CegarLoopResult]: For program point L32(lines 32 109) no Hoare annotation was computed. [2020-10-20 00:33:27,130 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,131 INFO L277 CegarLoopResult]: At program point L156(lines 139 157) the Hoare annotation is: true [2020-10-20 00:33:27,131 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:33:27,131 INFO L274 CegarLoopResult]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2020-10-20 00:33:27,131 INFO L270 CegarLoopResult]: At program point L115-2(lines 115 120) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-10-20 00:33:27,131 INFO L274 CegarLoopResult]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2020-10-20 00:33:27,132 INFO L270 CegarLoopResult]: At program point L107(lines 22 110) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-10-20 00:33:27,132 INFO L274 CegarLoopResult]: For program point L33(lines 33 67) no Hoare annotation was computed. [2020-10-20 00:33:27,132 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,132 INFO L270 CegarLoopResult]: At program point L124(lines 113 125) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-10-20 00:33:27,133 INFO L274 CegarLoopResult]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2020-10-20 00:33:27,133 INFO L270 CegarLoopResult]: At program point L25-2(lines 25 30) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_modf_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) [2020-10-20 00:33:27,133 INFO L274 CegarLoopResult]: For program point L25-3(lines 25 30) no Hoare annotation was computed. [2020-10-20 00:33:27,133 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-10-20 00:33:27,133 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2020-10-20 00:33:27,133 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2020-10-20 00:33:27,133 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2020-10-20 00:33:27,133 INFO L270 CegarLoopResult]: At program point L59-2(lines 59 64) the Hoare annotation is: false [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L51(lines 51 56) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L51-1(lines 43 58) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L43(lines 43 66) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L76-1(lines 68 83) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L68(lines 68 109) no Hoare annotation was computed. [2020-10-20 00:33:27,134 INFO L274 CegarLoopResult]: For program point L101-1(lines 101 106) no Hoare annotation was computed. [2020-10-20 00:33:27,135 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 106) the Hoare annotation is: false [2020-10-20 00:33:27,135 INFO L274 CegarLoopResult]: For program point L101-3(lines 101 106) no Hoare annotation was computed. [2020-10-20 00:33:27,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,161 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 00:33:27,166 INFO L168 Benchmark]: Toolchain (without parser) took 13560.45 ms. Allocated memory was 34.1 MB in the beginning and 57.1 MB in the end (delta: 23.1 MB). Free memory was 14.4 MB in the beginning and 29.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,167 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 33.0 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.43 ms. Allocated memory was 34.1 MB in the beginning and 42.5 MB in the end (delta: 8.4 MB). Free memory was 13.5 MB in the beginning and 19.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.91 ms. Allocated memory is still 42.5 MB. Free memory was 19.2 MB in the beginning and 16.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,170 INFO L168 Benchmark]: Boogie Preprocessor took 71.66 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 16.4 MB in the beginning and 25.2 MB in the end (delta: -8.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,171 INFO L168 Benchmark]: RCFGBuilder took 1245.61 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 25.2 MB in the beginning and 20.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,172 INFO L168 Benchmark]: TraceAbstraction took 11774.93 ms. Allocated memory was 46.1 MB in the beginning and 57.1 MB in the end (delta: 11.0 MB). Free memory was 20.5 MB in the beginning and 29.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 33.0 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 399.43 ms. Allocated memory was 34.1 MB in the beginning and 42.5 MB in the end (delta: 8.4 MB). Free memory was 13.5 MB in the beginning and 19.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 58.91 ms. Allocated memory is still 42.5 MB. Free memory was 19.2 MB in the beginning and 16.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 71.66 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 16.4 MB in the beginning and 25.2 MB in the end (delta: -8.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1245.61 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 25.2 MB in the beginning and 20.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 11774.93 ms. Allocated memory was 46.1 MB in the beginning and 57.1 MB in the end (delta: 11.0 MB). Free memory was 20.5 MB in the beginning and 29.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant [2020-10-20 00:33:27,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd64(j0, 1023bv32) == ~bvand32(2047bv32, ~bvashr32(v_skolemized_v_prenex_1_3[63:32], 20bv32)) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_v_prenex_1_3[63:32] == i0) - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...