./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f01f5987eb2c4fb8b66f29a3966d897a56af4a ........................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f01f5987eb2c4fb8b66f29a3966d897a56af4a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-2880296 [2020-12-02 15:29:28,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:29:28,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:29:28,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:29:28,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:29:28,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:29:28,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:29:28,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:29:28,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:29:28,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:29:28,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:29:28,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:29:28,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:29:28,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:29:28,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:29:28,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:29:28,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:29:28,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:29:28,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:29:28,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:29:28,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:29:28,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:29:28,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:29:28,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:29:28,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:29:28,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:29:28,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:29:28,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:29:28,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:29:28,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:29:28,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:29:28,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:29:28,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:29:28,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:29:28,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:29:28,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:29:28,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:29:28,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:29:28,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:29:28,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:29:28,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:29:28,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:29:28,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:29:28,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:29:28,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:29:28,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:29:28,192 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:29:28,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:29:28,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:29:28,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:29:28,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:29:28,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:29:28,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:29:28,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:29:28,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:29:28,195 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:29:28,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:29:28,195 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:29:28,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:29:28,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:29:28,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:29:28,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:29:28,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:29:28,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:28,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:29:28,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:29:28,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:29:28,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:29:28,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:29:28,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:29:28,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:29:28,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-12-02 15:29:28,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:29:28,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:29:28,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:29:28,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:29:28,693 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:29:28,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-12-02 15:29:28,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e079124/f35179be66b0486d9916ed159eb32254/FLAG66fb97fa0 [2020-12-02 15:29:29,372 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:29:29,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-12-02 15:29:29,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e079124/f35179be66b0486d9916ed159eb32254/FLAG66fb97fa0 [2020-12-02 15:29:29,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e079124/f35179be66b0486d9916ed159eb32254 [2020-12-02 15:29:29,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:29:29,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:29:29,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:29,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:29:29,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:29:29,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:29" (1/1) ... [2020-12-02 15:29:29,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99d0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:29, skipping insertion in model container [2020-12-02 15:29:29,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:29" (1/1) ... [2020-12-02 15:29:29,808 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:29:29,832 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:29:30,130 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c[1211,1224] [2020-12-02 15:29:30,141 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:30,152 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:29:30,195 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c[1211,1224] [2020-12-02 15:29:30,197 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:30,226 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:29:30,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30 WrapperNode [2020-12-02 15:29:30,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:30,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:30,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:29:30,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:29:30,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:30,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:29:30,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:29:30,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:29:30,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... [2020-12-02 15:29:30,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:29:30,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:29:30,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:29:30,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:29:30,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:29:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:29:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:29:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:29:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:29:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:29:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:29:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:29:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:29:30,920 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:29:30,920 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:29:30,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:30 BoogieIcfgContainer [2020-12-02 15:29:30,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:29:30,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:29:30,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:29:30,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:29:30,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:29:29" (1/3) ... [2020-12-02 15:29:30,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c6d1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:30, skipping insertion in model container [2020-12-02 15:29:30,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:30" (2/3) ... [2020-12-02 15:29:30,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c6d1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:30, skipping insertion in model container [2020-12-02 15:29:30,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:30" (3/3) ... [2020-12-02 15:29:30,948 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-12-02 15:29:30,977 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:29:30,981 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:29:30,995 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:29:31,025 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:29:31,026 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:29:31,026 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:29:31,026 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:29:31,026 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:29:31,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:29:31,027 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:29:31,027 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:29:31,044 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-02 15:29:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:29:31,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:31,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:31,052 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:31,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-12-02 15:29:31,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:29:31,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945387744] [2020-12-02 15:29:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:29:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:31,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945387744] [2020-12-02 15:29:31,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:31,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:29:31,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110616675] [2020-12-02 15:29:31,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:29:31,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:29:31,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:29:31,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:31,269 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-12-02 15:29:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:31,289 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2020-12-02 15:29:31,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:29:31,290 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 15:29:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:31,306 INFO L225 Difference]: With dead ends: 36 [2020-12-02 15:29:31,306 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 15:29:31,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:31,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 15:29:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 15:29:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 15:29:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-02 15:29:31,350 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-12-02 15:29:31,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:31,351 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-02 15:29:31,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:29:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-02 15:29:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:29:31,352 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:31,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:31,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:29:31,353 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:31,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:31,355 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-12-02 15:29:31,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:29:31,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986593605] [2020-12-02 15:29:31,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:29:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:31,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:31,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:31,493 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:29:31,494 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:29:31,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:29:31,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:29:31 BoogieIcfgContainer [2020-12-02 15:29:31,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:29:31,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:29:31,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:29:31,527 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:29:31,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:30" (3/4) ... [2020-12-02 15:29:31,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:29:31,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:29:31,535 INFO L168 Benchmark]: Toolchain (without parser) took 1756.06 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.0 MB in the beginning and 33.4 MB in the end (delta: -7.4 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:31,536 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 37.7 MB. Free memory was 20.0 MB in the beginning and 19.9 MB in the end (delta: 23.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:31,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.34 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 27.0 MB in the end (delta: -1.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:31,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.24 ms. Allocated memory is still 48.2 MB. Free memory was 27.0 MB in the beginning and 25.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:31,539 INFO L168 Benchmark]: Boogie Preprocessor took 61.15 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 24.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:31,540 INFO L168 Benchmark]: RCFGBuilder took 560.84 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 41.5 MB in the end (delta: -17.5 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:31,541 INFO L168 Benchmark]: TraceAbstraction took 599.66 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 33.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:31,541 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 58.7 MB. Free memory was 33.6 MB in the beginning and 33.4 MB in the end (delta: 283.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:31,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 37.7 MB. Free memory was 20.0 MB in the beginning and 19.9 MB in the end (delta: 23.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.34 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 27.0 MB in the end (delta: -1.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.24 ms. Allocated memory is still 48.2 MB. Free memory was 27.0 MB in the beginning and 25.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.15 ms. Allocated memory is still 48.2 MB. Free memory was 25.3 MB in the beginning and 24.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 560.84 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 41.5 MB in the end (delta: -17.5 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 599.66 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 33.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.47 ms. Allocated memory is still 58.7 MB. Free memory was 33.6 MB in the beginning and 33.4 MB in the end (delta: 283.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 49, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 53, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = -0.0; [L28] __uint32_t high; [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L54] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 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=19occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:29:34,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:29:34,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:29:34,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:29:34,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:29:34,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:29:34,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:29:34,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:29:34,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:29:34,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:29:34,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:29:34,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:29:34,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:29:34,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:29:34,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:29:34,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:29:34,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:29:34,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:29:34,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:29:34,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:29:34,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:29:34,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:29:34,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:29:34,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:29:34,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:29:34,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:29:34,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:29:34,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:29:34,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:29:34,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:29:34,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:29:34,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:29:34,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:29:34,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:29:34,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:29:34,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:29:34,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:29:34,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:29:34,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:29:34,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:29:34,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:29:34,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:29:34,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:29:34,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:29:34,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:29:34,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:29:34,484 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:29:34,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:29:34,485 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:29:34,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:29:34,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:29:34,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:29:34,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:29:34,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:29:34,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:29:34,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:29:34,488 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:29:34,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:29:34,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:29:34,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:29:34,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:29:34,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:29:34,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:29:34,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:29:34,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:34,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:29:34,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:29:34,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:29:34,491 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:29:34,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:29:34,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:29:34,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:29:34,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:29:34,493 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-12-02 15:29:34,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:29:34,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:29:34,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:29:34,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:29:34,949 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:29:34,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-12-02 15:29:35,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609b3f9aa/dfd8db7f392b44e0b95b527d6f9427fe/FLAG5cc45a13e [2020-12-02 15:29:35,814 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:29:35,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-12-02 15:29:35,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609b3f9aa/dfd8db7f392b44e0b95b527d6f9427fe/FLAG5cc45a13e [2020-12-02 15:29:36,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609b3f9aa/dfd8db7f392b44e0b95b527d6f9427fe [2020-12-02 15:29:36,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:29:36,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:29:36,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:36,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:29:36,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:29:36,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7a117d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36, skipping insertion in model container [2020-12-02 15:29:36,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,146 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:29:36,166 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:29:36,343 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c[1211,1224] [2020-12-02 15:29:36,348 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:36,366 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:29:36,407 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c[1211,1224] [2020-12-02 15:29:36,408 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:36,432 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:29:36,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36 WrapperNode [2020-12-02 15:29:36,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:36,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:36,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:29:36,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:29:36,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:36,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:29:36,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:29:36,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:29:36,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... [2020-12-02 15:29:36,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:29:36,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:29:36,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:29:36,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:29:36,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:29:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:29:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:29:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:29:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:29:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:29:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:29:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:29:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:29:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:29:37,111 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:29:37,112 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:29:37,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:37 BoogieIcfgContainer [2020-12-02 15:29:37,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:29:37,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:29:37,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:29:37,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:29:37,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:29:36" (1/3) ... [2020-12-02 15:29:37,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dad3df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:37, skipping insertion in model container [2020-12-02 15:29:37,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:36" (2/3) ... [2020-12-02 15:29:37,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dad3df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:37, skipping insertion in model container [2020-12-02 15:29:37,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:37" (3/3) ... [2020-12-02 15:29:37,132 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-12-02 15:29:37,178 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:29:37,190 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:29:37,228 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:29:37,285 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:29:37,285 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:29:37,286 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:29:37,286 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:29:37,286 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:29:37,286 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:29:37,286 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:29:37,287 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:29:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-02 15:29:37,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:29:37,316 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:37,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:37,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:37,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:37,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-12-02 15:29:37,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:37,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387396640] [2020-12-02 15:29:37,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:37,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:29:37,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:37,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:37,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387396640] [2020-12-02 15:29:37,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:37,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:29:37,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562748507] [2020-12-02 15:29:37,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:29:37,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:37,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:29:37,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:37,596 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-12-02 15:29:37,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:37,613 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2020-12-02 15:29:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:29:37,615 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 15:29:37,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:37,623 INFO L225 Difference]: With dead ends: 36 [2020-12-02 15:29:37,623 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 15:29:37,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 15:29:37,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 15:29:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 15:29:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-02 15:29:37,663 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-12-02 15:29:37,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:37,663 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-02 15:29:37,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:29:37,663 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-02 15:29:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:29:37,664 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:37,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:37,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:29:37,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:37,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:37,881 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-12-02 15:29:37,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:37,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460719247] [2020-12-02 15:29:37,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:37,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-02 15:29:37,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:38,156 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2020-12-02 15:29:38,166 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:29:38,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:38,171 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:29:38,185 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:38,191 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 15:29:38,191 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:35 [2020-12-02 15:29:38,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:29:38,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:29:38,336 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 15:29:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:38,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:38,475 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2020-12-02 15:29:38,481 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:29:38,486 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:38,487 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:29:38,499 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:38,501 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 15:29:38,502 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:77, output treesize:41 [2020-12-02 15:29:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:38,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460719247] [2020-12-02 15:29:38,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:38,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2020-12-02 15:29:38,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731888257] [2020-12-02 15:29:38,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-02 15:29:38,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:38,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-02 15:29:38,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-02 15:29:38,603 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 10 states. [2020-12-02 15:29:38,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:38,992 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-12-02 15:29:38,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:29:38,993 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2020-12-02 15:29:38,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:38,994 INFO L225 Difference]: With dead ends: 19 [2020-12-02 15:29:38,994 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 15:29:38,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-12-02 15:29:38,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 15:29:39,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 15:29:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 15:29:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-12-02 15:29:39,002 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-12-02 15:29:39,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:39,002 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-12-02 15:29:39,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-02 15:29:39,002 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-12-02 15:29:39,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:29:39,003 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:39,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:39,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:29:39,218 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:39,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:39,220 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-12-02 15:29:39,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:39,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336498506] [2020-12-02 15:29:39,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:39,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:29:39,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:39,332 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2020-12-02 15:29:39,335 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:29:39,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:39,339 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:29:39,343 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:39,344 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 15:29:39,344 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:20, output treesize:8 [2020-12-02 15:29:41,373 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) c_ULTIMATE.start_fabs_double_~x)) is different from true [2020-12-02 15:29:43,389 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) |c_ULTIMATE.start_fabs_double_#res|)) is different from true [2020-12-02 15:29:45,403 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) c_ULTIMATE.start_main_~res~0)) is different from true [2020-12-02 15:29:46,924 WARN L197 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 15:29:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:49,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:53,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336498506] [2020-12-02 15:29:53,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:53,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-12-02 15:29:53,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704763556] [2020-12-02 15:29:53,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 15:29:53,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:53,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 15:29:53,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=89, Unknown=5, NotChecked=60, Total=182 [2020-12-02 15:29:53,875 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2020-12-02 15:29:59,726 WARN L197 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2020-12-02 15:30:02,387 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2020-12-02 15:30:08,536 WARN L197 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-12-02 15:30:21,087 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-02 15:30:27,231 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-02 15:30:27,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:30:27,244 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-12-02 15:30:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 15:30:27,245 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-12-02 15:30:27,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:30:27,246 INFO L225 Difference]: With dead ends: 16 [2020-12-02 15:30:27,246 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:30:27,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 47.7s TimeCoverageRelationStatistics Valid=72, Invalid=194, Unknown=18, NotChecked=96, Total=380 [2020-12-02 15:30:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:30:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:30:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:30:27,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:30:27,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-02 15:30:27,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:30:27,249 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:30:27,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 15:30:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:30:27,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:30:27,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:30:27,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:30:27,683 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-12-02 15:30:28,541 WARN L197 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2020-12-02 15:30:28,551 INFO L262 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-12-02 15:30:28,554 INFO L258 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short18| (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse0)) (= ULTIMATE.start_fabs_double_~x (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_8|)))) (or (not (= .cse1 (_ +zero 11 53))) (fp.eq (let ((.cse2 (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) ULTIMATE.start_fabs_double_~x)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start___signbit_double_~x)) (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= |ULTIMATE.start_fabs_double_#res| (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7))) (= .cse3 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse3))))) (= (_ bv0 32) (bvand (_ bv2147483648 32) ((_ extract 63 32) ULTIMATE.start_main_~res~0)))) [2020-12-02 15:30:28,554 INFO L262 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-12-02 15:30:28,554 INFO L258 CegarLoopResult]: At program point L40(lines 27 41) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse0)) (= ULTIMATE.start_fabs_double_~x (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_8|)))) (or (not (= .cse1 (_ +zero 11 53))) (fp.eq (let ((.cse2 (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) ULTIMATE.start_fabs_double_~x)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= |ULTIMATE.start_fabs_double_#res| (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7))) (= .cse3 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse3)))))) [2020-12-02 15:30:28,554 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:30:28,554 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:30:28,554 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:30:28,555 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2020-12-02 15:30:28,555 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-02 15:30:28,555 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-12-02 15:30:28,555 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:30:28,555 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-12-02 15:30:28,555 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 33) the Hoare annotation is: (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= (fp ((_ extract 63 63) ULTIMATE.start_fabs_double_~x) ((_ extract 62 52) ULTIMATE.start_fabs_double_~x) ((_ extract 51 0) ULTIMATE.start_fabs_double_~x)) (fp.neg .cse0)) (= .cse0 (_ +zero 11 53))))) [2020-12-02 15:30:28,555 INFO L265 CegarLoopResult]: At program point L58(lines 43 59) the Hoare annotation is: true [2020-12-02 15:30:28,560 INFO L258 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short18| (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse0)) (= ULTIMATE.start_fabs_double_~x (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_8|)))) (or (not (= .cse1 (_ +zero 11 53))) (fp.eq (let ((.cse2 (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) ULTIMATE.start_fabs_double_~x)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start___signbit_double_~x)) (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= ((_ extract 63 32) (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10))) ULTIMATE.start___signbit_double_~msw~0)) (exists ((|v_ULTIMATE.start_main_#t~nondet13_6| (_ BitVec 64)) (v_ULTIMATE.start_fabs_double_~x_7 (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet13_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet13_6|)))) (and (= |ULTIMATE.start_fabs_double_#res| (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_fabs_double_~x_7)) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_7))) (= .cse3 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 62 52) v_ULTIMATE.start_fabs_double_~x_7) ((_ extract 51 0) v_ULTIMATE.start_fabs_double_~x_7)) (fp.neg .cse3))))) (= (_ bv0 32) (bvand (_ bv2147483648 32) ((_ extract 63 32) ULTIMATE.start_main_~res~0)))) [2020-12-02 15:30:28,560 INFO L262 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-12-02 15:30:28,560 INFO L262 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-12-02 15:30:28,561 INFO L262 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-12-02 15:30:28,561 INFO L262 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-12-02 15:30:28,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,591 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: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:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:30:28,602 INFO L168 Benchmark]: Toolchain (without parser) took 52480.05 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 29.8 MB in the beginning and 37.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:28,603 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 37.7 MB. Free memory is still 20.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:30:28,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.31 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 30.2 MB in the end (delta: -587.8 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:28,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 46.1 MB. Free memory was 30.2 MB in the beginning and 28.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:28,615 INFO L168 Benchmark]: Boogie Preprocessor took 38.01 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 27.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:28,616 INFO L168 Benchmark]: RCFGBuilder took 593.91 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 26.9 MB in the beginning and 40.5 MB in the end (delta: -13.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:28,617 INFO L168 Benchmark]: TraceAbstraction took 51476.09 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 37.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:28,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 37.7 MB. Free memory is still 20.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.31 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 30.2 MB in the end (delta: -587.8 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 46.1 MB. Free memory was 30.2 MB in the beginning and 28.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.01 ms. Allocated memory is still 46.1 MB. Free memory was 28.5 MB in the beginning and 27.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 593.91 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 26.9 MB in the beginning and 40.5 MB in the end (delta: -13.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51476.09 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 37.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant [2020-12-02 15:30:28,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] [2020-12-02 15:30:28,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet13_6,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_main_#t~nondet13_6 : bv64 :: ~fp~LONGDOUBLE(x[63:63], x[62:52], x[51:0]) == ~fp.neg~DOUBLE(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet13_6[63:63], v_ULTIMATE.start_main_#t~nondet13_6[62:52], v_ULTIMATE.start_main_#t~nondet13_6[51:0])) && ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet13_6[63:63], v_ULTIMATE.start_main_#t~nondet13_6[62:52], v_ULTIMATE.start_main_#t~nondet13_6[51:0]) == ~Pluszero~LONGDOUBLE()) - 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...