./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d ................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-19 21:12:08,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:12:08,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:12:08,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:12:08,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:12:08,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:12:08,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:12:08,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:12:08,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:12:08,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:12:08,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:12:08,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:12:08,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:12:08,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:12:08,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:12:08,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:12:08,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:12:08,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:12:08,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:12:08,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:12:08,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:12:08,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:12:08,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:12:08,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:12:08,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:12:08,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:12:08,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:12:08,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:12:08,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:12:08,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:12:08,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:12:08,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:12:08,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:12:08,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:12:08,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:12:08,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:12:08,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:12:08,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:12:08,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:12:08,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:12:08,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:12:08,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:12:08,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:12:08,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:12:08,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:12:08,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:12:08,326 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:12:08,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:12:08,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:12:08,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:12:08,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:12:08,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:12:08,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:12:08,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:12:08,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:12:08,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:12:08,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:12:08,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:12:08,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:12:08,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:12:08,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:12:08,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:12:08,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:12:08,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:12:08,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:12:08,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:12:08,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:12:08,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:12:08,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:12:08,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:12:08,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d [2019-11-19 21:12:08,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:12:08,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:12:08,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:12:08,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:12:08,655 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:12:08,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-19 21:12:08,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385a10eb2/e7d3fe2be53a464bb92007ecee11462f/FLAG6ab97ac57 [2019-11-19 21:12:09,191 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:12:09,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-19 21:12:09,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385a10eb2/e7d3fe2be53a464bb92007ecee11462f/FLAG6ab97ac57 [2019-11-19 21:12:09,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385a10eb2/e7d3fe2be53a464bb92007ecee11462f [2019-11-19 21:12:09,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:12:09,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:12:09,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:09,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:12:09,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:12:09,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:09,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613df50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09, skipping insertion in model container [2019-11-19 21:12:09,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:09,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:12:09,599 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:12:09,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:09,859 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:12:09,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:09,977 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:12:09,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09 WrapperNode [2019-11-19 21:12:09,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:09,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:09,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:12:09,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:12:09,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:10,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:12:10,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:12:10,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:12:10,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... [2019-11-19 21:12:10,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:12:10,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:12:10,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:12:10,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:12:10,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:12:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:12:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 21:12:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 21:12:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 21:12:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:12:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:12:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 21:12:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:12:10,502 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:12:10,502 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-19 21:12:10,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:10 BoogieIcfgContainer [2019-11-19 21:12:10,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:12:10,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:12:10,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:12:10,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:12:10,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:12:09" (1/3) ... [2019-11-19 21:12:10,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64073de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:10, skipping insertion in model container [2019-11-19 21:12:10,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:09" (2/3) ... [2019-11-19 21:12:10,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64073de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:10, skipping insertion in model container [2019-11-19 21:12:10,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:10" (3/3) ... [2019-11-19 21:12:10,519 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2019-11-19 21:12:10,529 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:12:10,539 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:12:10,551 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:12:10,573 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:12:10,573 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:12:10,573 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:12:10,574 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:12:10,574 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:12:10,574 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:12:10,574 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:12:10,574 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:12:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-19 21:12:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 21:12:10,594 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:10,596 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:10,596 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:10,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:10,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-11-19 21:12:10,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:12:10,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365589050] [2019-11-19 21:12:10,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:12:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:10,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365589050] [2019-11-19 21:12:10,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:10,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:12:10,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255184224] [2019-11-19 21:12:10,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:12:10,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:12:10,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:12:10,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:12:10,742 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-19 21:12:10,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:10,762 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-11-19 21:12:10,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:12:10,764 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-19 21:12:10,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:10,774 INFO L225 Difference]: With dead ends: 58 [2019-11-19 21:12:10,774 INFO L226 Difference]: Without dead ends: 27 [2019-11-19 21:12:10,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:12:10,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-19 21:12:10,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-19 21:12:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-19 21:12:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-11-19 21:12:10,812 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-11-19 21:12:10,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:10,812 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-19 21:12:10,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:12:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-11-19 21:12:10,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 21:12:10,814 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:10,814 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:10,814 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:10,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:10,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-11-19 21:12:10,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:12:10,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873171808] [2019-11-19 21:12:10,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:12:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:12:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:12:10,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:12:10,915 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 21:12:10,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:12:10 BoogieIcfgContainer [2019-11-19 21:12:10,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:12:10,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:12:10,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:12:10,944 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:12:10,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:10" (3/4) ... [2019-11-19 21:12:10,947 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 21:12:10,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:12:10,950 INFO L168 Benchmark]: Toolchain (without parser) took 1388.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -95.2 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:10,951 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:12:10,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:10,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:10,953 INFO L168 Benchmark]: Boogie Preprocessor took 33.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:12:10,954 INFO L168 Benchmark]: RCFGBuilder took 437.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:10,955 INFO L168 Benchmark]: TraceAbstraction took 438.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:10,956 INFO L168 Benchmark]: Witness Printer took 4.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:12:10,960 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 437.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 438.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of shiftRight at line 34, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L86] double x = 0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND TRUE exponent_less_1023 < 20 [L28] COND FALSE !(exponent_less_1023 < 0) [L34] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L35] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L36] return x; [L87] double res = round_double(x); [L90] EXPR res == 0.0 && __signbit_double(res) == 0 [L90] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L91] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 38 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.1.24-678e011 [2019-11-19 21:12:12,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:12:12,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:12:12,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:12:12,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:12:12,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:12:12,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:12:12,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:12:12,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:12:12,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:12:12,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:12:12,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:12:12,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:12:12,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:12:12,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:12:12,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:12:12,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:12:12,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:12:12,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:12:12,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:12:12,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:12:12,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:12:12,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:12:12,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:12:12,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:12:12,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:12:12,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:12:12,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:12:12,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:12:12,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:12:12,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:12:12,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:12:12,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:12:12,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:12:12,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:12:12,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:12:12,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:12:12,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:12:12,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:12:12,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:12:12,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:12:12,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 21:12:12,953 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:12:12,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:12:12,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:12:12,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:12:12,955 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:12:12,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:12:12,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:12:12,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:12:12,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:12:12,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:12:12,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:12:12,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:12:12,958 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 21:12:12,958 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 21:12:12,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:12:12,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:12:12,959 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:12:12,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:12:12,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:12:12,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:12:12,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:12:12,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:12:12,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:12:12,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:12:12,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:12:12,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:12:12,962 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 21:12:12,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 21:12:12,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:12:12,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 21:12:12,963 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d015b2bc8cb93a5e0ac1240dd23d0cf22b0709d [2019-11-19 21:12:13,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:12:13,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:12:13,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:12:13,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:12:13,432 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:12:13,434 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-19 21:12:13,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df68502b1/f1c3a20ec7d5437ca954d218b8351c0d/FLAGb62facca1 [2019-11-19 21:12:13,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:12:13,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2019-11-19 21:12:13,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df68502b1/f1c3a20ec7d5437ca954d218b8351c0d/FLAGb62facca1 [2019-11-19 21:12:14,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df68502b1/f1c3a20ec7d5437ca954d218b8351c0d [2019-11-19 21:12:14,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:12:14,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:12:14,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:14,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:12:14,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:12:14,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92a5aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14, skipping insertion in model container [2019-11-19 21:12:14,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,347 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:12:14,367 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:12:14,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:14,649 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:12:14,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:14,855 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:12:14,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14 WrapperNode [2019-11-19 21:12:14,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:14,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:14,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:12:14,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:12:14,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:14,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:12:14,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:12:14,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:12:14,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (1/1) ... [2019-11-19 21:12:14,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:12:14,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:12:14,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:12:14,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:12:14,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (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 [2019-11-19 21:12:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-19 21:12:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-19 21:12:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:12:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 21:12:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:12:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:12:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 21:12:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:12:15,543 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:12:15,544 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-19 21:12:15,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:15 BoogieIcfgContainer [2019-11-19 21:12:15,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:12:15,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:12:15,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:12:15,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:12:15,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:12:14" (1/3) ... [2019-11-19 21:12:15,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19982daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:15, skipping insertion in model container [2019-11-19 21:12:15,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:14" (2/3) ... [2019-11-19 21:12:15,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19982daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:15, skipping insertion in model container [2019-11-19 21:12:15,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:15" (3/3) ... [2019-11-19 21:12:15,555 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2019-11-19 21:12:15,565 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:12:15,577 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:12:15,589 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:12:15,612 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:12:15,612 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:12:15,612 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:12:15,612 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:12:15,613 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:12:15,613 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:12:15,613 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:12:15,613 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:12:15,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-19 21:12:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 21:12:15,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:15,634 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:15,634 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:15,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:15,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-11-19 21:12:15,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:15,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371817432] [2019-11-19 21:12:15,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-19 21:12:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:15,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 21:12:15,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:15,782 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:15,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371817432] [2019-11-19 21:12:15,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:15,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 21:12:15,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787278722] [2019-11-19 21:12:15,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:12:15,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:15,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:12:15,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:12:15,811 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-19 21:12:15,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:15,833 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-11-19 21:12:15,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:12:15,835 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-19 21:12:15,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:15,847 INFO L225 Difference]: With dead ends: 58 [2019-11-19 21:12:15,847 INFO L226 Difference]: Without dead ends: 27 [2019-11-19 21:12:15,851 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:12:15,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-19 21:12:15,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-19 21:12:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-19 21:12:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-11-19 21:12:15,883 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-11-19 21:12:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:15,884 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-19 21:12:15,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:12:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-11-19 21:12:15,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 21:12:15,885 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:15,885 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:16,086 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 21:12:16,087 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:16,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:16,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-11-19 21:12:16,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:16,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305622698] [2019-11-19 21:12:16,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-19 21:12:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:16,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 21:12:16,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:16,294 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:16,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305622698] [2019-11-19 21:12:16,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:16,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 21:12:16,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286946458] [2019-11-19 21:12:16,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:12:16,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:16,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:12:16,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:12:16,376 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2019-11-19 21:12:16,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:16,604 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-11-19 21:12:16,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:12:16,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-19 21:12:16,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:16,606 INFO L225 Difference]: With dead ends: 40 [2019-11-19 21:12:16,606 INFO L226 Difference]: Without dead ends: 21 [2019-11-19 21:12:16,607 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-19 21:12:16,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-19 21:12:16,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-19 21:12:16,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-19 21:12:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-19 21:12:16,614 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-11-19 21:12:16,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:16,614 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-19 21:12:16,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:12:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-19 21:12:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:12:16,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:16,616 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:16,830 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 21:12:16,831 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:16,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:16,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2019-11-19 21:12:16,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:16,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108513703] [2019-11-19 21:12:16,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-19 21:12:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:16,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 21:12:16,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:16,978 INFO L377 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 [2019-11-19 21:12:16,987 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 21:12:16,992 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:16,992 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:16,996 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:16,997 INFO L496 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. [2019-11-19 21:12:16,998 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-11-19 21:12:17,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 21:12:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:17,066 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:17,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 21:12:17,125 INFO L377 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 45 treesize of output 39 [2019-11-19 21:12:17,129 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 21:12:17,132 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:17,133 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:17,138 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:17,138 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:17,138 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-19 21:12:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:17,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108513703] [2019-11-19 21:12:17,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:17,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-11-19 21:12:17,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583735666] [2019-11-19 21:12:17,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-19 21:12:17,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:17,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-19 21:12:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-19 21:12:17,203 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2019-11-19 21:12:17,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:17,528 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-19 21:12:17,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:12:17,529 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-11-19 21:12:17,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:17,529 INFO L225 Difference]: With dead ends: 24 [2019-11-19 21:12:17,530 INFO L226 Difference]: Without dead ends: 21 [2019-11-19 21:12:17,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-11-19 21:12:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-19 21:12:17,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-19 21:12:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-19 21:12:17,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-11-19 21:12:17,544 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-11-19 21:12:17,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:17,544 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-11-19 21:12:17,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-19 21:12:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-11-19 21:12:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 21:12:17,547 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:17,548 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:17,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 21:12:17,771 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:17,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:17,772 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2019-11-19 21:12:17,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:17,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104331753] [2019-11-19 21:12:17,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-19 21:12:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:17,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-19 21:12:17,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:17,944 INFO L377 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 48 treesize of output 42 [2019-11-19 21:12:17,948 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 21:12:17,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:17,953 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:17,962 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:17,963 INFO L496 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. [2019-11-19 21:12:17,964 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:58, output treesize:28 [2019-11-19 21:12:18,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 21:12:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:18,282 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:18,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 21:12:18,561 INFO L377 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 52 treesize of output 46 [2019-11-19 21:12:18,565 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 21:12:18,569 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:18,570 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:18,578 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:18,579 INFO L496 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. [2019-11-19 21:12:18,579 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2019-11-19 21:12:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:20,800 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104331753] [2019-11-19 21:12:20,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:20,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-11-19 21:12:20,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082257167] [2019-11-19 21:12:20,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-19 21:12:20,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:20,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-19 21:12:20,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2019-11-19 21:12:20,803 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2019-11-19 21:12:21,631 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-11-19 21:12:21,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:21,791 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-11-19 21:12:21,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 21:12:21,792 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2019-11-19 21:12:21,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:21,793 INFO L225 Difference]: With dead ends: 21 [2019-11-19 21:12:21,793 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:12:21,794 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=140, Invalid=459, Unknown=1, NotChecked=0, Total=600 [2019-11-19 21:12:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:12:21,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:12:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:12:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:12:21,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-11-19 21:12:21,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:21,795 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:12:21,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-19 21:12:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:12:21,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:12:21,996 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-19 21:12:22,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:12:22,203 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-11-19 21:12:22,517 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-11-19 21:12:22,751 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-11-19 21:12:22,755 INFO L444 ceAbstractionStarter]: For program point L27(lines 27 56) no Hoare annotation was computed. [2019-11-19 21:12:22,755 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-11-19 21:12:22,755 INFO L444 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2019-11-19 21:12:22,755 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-11-19 21:12:22,756 INFO L440 ceAbstractionStarter]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (_ +zero 11 53)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) |ULTIMATE.start_main_#t~short10| (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))))) [2019-11-19 21:12:22,757 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2019-11-19 21:12:22,757 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:12:22,757 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:12:22,758 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:12:22,759 INFO L444 ceAbstractionStarter]: For program point L28(lines 28 40) no Hoare annotation was computed. [2019-11-19 21:12:22,759 INFO L444 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-19 21:12:22,759 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-11-19 21:12:22,759 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2019-11-19 21:12:22,759 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 93) no Hoare annotation was computed. [2019-11-19 21:12:22,760 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-11-19 21:12:22,760 INFO L444 ceAbstractionStarter]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2019-11-19 21:12:22,760 INFO L444 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-11-19 21:12:22,761 INFO L440 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (_ +zero 11 53)) [2019-11-19 21:12:22,761 INFO L444 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-11-19 21:12:22,761 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-19 21:12:22,761 INFO L444 ceAbstractionStarter]: For program point L41(lines 41 56) no Hoare annotation was computed. [2019-11-19 21:12:22,761 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:12:22,761 INFO L447 ceAbstractionStarter]: At program point L95(lines 78 96) the Hoare annotation is: true [2019-11-19 21:12:22,761 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 21:12:22,762 INFO L440 ceAbstractionStarter]: At program point L75(lines 66 76) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64)) (v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3)) (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse3 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) (_ +zero 11 53)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) ULTIMATE.start___signbit_double_~x) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) |ULTIMATE.start_main_#t~short10| (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))))) [2019-11-19 21:12:22,762 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 45) no Hoare annotation was computed. [2019-11-19 21:12:22,763 INFO L440 ceAbstractionStarter]: At program point L63(lines 17 64) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_round_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (fp.eq (let ((.cse1 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (_ +zero 11 53)))) (fp.eq |ULTIMATE.start_round_double_#res| (_ +zero 11 53)) (fp.eq ULTIMATE.start_round_double_~x (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~msw~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))))) [2019-11-19 21:12:22,763 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-19 21:12:22,763 INFO L444 ceAbstractionStarter]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2019-11-19 21:12:22,763 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-11-19 21:12:22,768 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:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) 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) [2019-11-19 21:12:22,774 INFO L168 Benchmark]: Toolchain (without parser) took 8443.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.7 MB in the beginning and 843.1 MB in the end (delta: 114.6 MB). Peak memory consumption was 251.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:22,774 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:12:22,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:22,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:12:22,777 INFO L168 Benchmark]: Boogie Preprocessor took 44.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:22,778 INFO L168 Benchmark]: RCFGBuilder took 592.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:22,778 INFO L168 Benchmark]: TraceAbstraction took 7225.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 843.1 MB in the end (delta: 257.8 MB). Peak memory consumption was 257.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:22,783 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 525.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 592.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7225.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 843.1 MB in the end (delta: 257.8 MB). Peak memory consumption was 257.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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 - 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...