./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032b.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_1032b.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 85249c132f434df72ec1ecca47ec776ea5a3cebf .............................................................................................................................................................................................................................................................................................. 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_1032b.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 85249c132f434df72ec1ecca47ec776ea5a3cebf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:30:31,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:30:31,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:30:31,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:30:31,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:30:31,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:30:31,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:30:31,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:30:31,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:30:31,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:30:31,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:30:31,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:30:31,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:30:31,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:30:31,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:30:31,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:30:31,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:30:31,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:30:31,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:30:31,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:30:31,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:30:31,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:30:31,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:30:31,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:30:31,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:30:31,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:30:31,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:30:31,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:30:31,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:30:31,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:30:31,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:30:31,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:30:31,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:30:31,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:30:31,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:30:31,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:30:31,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:30:31,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:30:31,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:30:31,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:30:31,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:30:31,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:30:31,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:30:31,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:30:31,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:30:31,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:30:31,888 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:30:31,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:30:31,889 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:30:31,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:30:31,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:30:31,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:30:31,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:30:31,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:30:31,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:30:31,891 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:30:31,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:30:31,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:30:31,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:30:31,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:30:31,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:30:31,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:30:31,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:30:31,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:30:31,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:30:31,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:30:31,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:30:31,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:30:31,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:30:31,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:30:31,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:30:31,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85249c132f434df72ec1ecca47ec776ea5a3cebf [2020-12-02 15:30:32,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:30:32,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:30:32,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:30:32,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:30:32,383 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:30:32,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032b.c [2020-12-02 15:30:32,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba793ba52/fc08fe4aaf07497186ad22da038a42da/FLAG9f24da4b2 [2020-12-02 15:30:33,143 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:30:33,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1032b.c [2020-12-02 15:30:33,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba793ba52/fc08fe4aaf07497186ad22da038a42da/FLAG9f24da4b2 [2020-12-02 15:30:33,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba793ba52/fc08fe4aaf07497186ad22da038a42da [2020-12-02 15:30:33,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:30:33,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:30:33,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:30:33,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:30:33,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:30:33,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77caad21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33, skipping insertion in model container [2020-12-02 15:30:33,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,544 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:30:33,574 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:30:33,826 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_1032b.c[2284,2297] [2020-12-02 15:30:33,830 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:30:33,840 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:30:33,874 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_1032b.c[2284,2297] [2020-12-02 15:30:33,874 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:30:33,893 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:30:33,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33 WrapperNode [2020-12-02 15:30:33,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:30:33,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:30:33,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:30:33,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:30:33,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:30:33,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:30:33,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:30:33,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:30:33,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... [2020-12-02 15:30:33,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:30:33,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:30:33,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:30:33,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:30:33,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:30:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:30:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:30:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:30:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:30:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:30:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:30:34,525 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:30:34,526 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:30:34,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:34 BoogieIcfgContainer [2020-12-02 15:30:34,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:30:34,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:30:34,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:30:34,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:30:34,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:30:33" (1/3) ... [2020-12-02 15:30:34,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0929c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:30:34, skipping insertion in model container [2020-12-02 15:30:34,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:33" (2/3) ... [2020-12-02 15:30:34,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0929c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:30:34, skipping insertion in model container [2020-12-02 15:30:34,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:34" (3/3) ... [2020-12-02 15:30:34,537 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2020-12-02 15:30:34,561 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:30:34,565 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:30:34,582 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:30:34,610 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:30:34,610 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:30:34,610 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:30:34,611 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:30:34,611 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:30:34,611 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:30:34,611 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:30:34,611 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:30:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-02 15:30:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:30:34,634 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:30:34,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:30:34,635 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:30:34,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:30:34,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-12-02 15:30:34,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:30:34,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375867750] [2020-12-02 15:30:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:30:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:30:34,887 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 15:30:34,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375867750] [2020-12-02 15:30:34,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:30:34,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:30:34,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655327457] [2020-12-02 15:30:34,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:30:34,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:30:34,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:30:34,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:30:34,925 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-02 15:30:34,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:30:34,953 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2020-12-02 15:30:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:30:34,955 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 15:30:34,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:30:34,979 INFO L225 Difference]: With dead ends: 58 [2020-12-02 15:30:34,979 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 15:30:34,984 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 15:30:35,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 15:30:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 15:30:35,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 15:30:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-12-02 15:30:35,034 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-12-02 15:30:35,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:30:35,036 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-12-02 15:30:35,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:30:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-12-02 15:30:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:30:35,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:30:35,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:30:35,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:30:35,039 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:30:35,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:30:35,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-12-02 15:30:35,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:30:35,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057283694] [2020-12-02 15:30:35,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:30:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:30:35,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:30:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:30:35,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:30:35,191 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:30:35,192 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:30:35,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:30:35,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:30:35 BoogieIcfgContainer [2020-12-02 15:30:35,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:30:35,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:30:35,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:30:35,244 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:30:35,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:34" (3/4) ... [2020-12-02 15:30:35,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:30:35,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:30:35,258 INFO L168 Benchmark]: Toolchain (without parser) took 1736.27 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 36.9 MB in the end (delta: -15.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:35,258 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory is still 28.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:30:35,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.18 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 21.1 MB in the end (delta: -173.8 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:35,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.89 ms. Allocated memory is still 44.0 MB. Free memory was 21.1 MB in the beginning and 19.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:35,262 INFO L168 Benchmark]: Boogie Preprocessor took 44.00 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.2 MB in the beginning and 37.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:35,265 INFO L168 Benchmark]: RCFGBuilder took 539.41 ms. Allocated memory is still 54.5 MB. Free memory was 37.9 MB in the beginning and 31.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:35,265 INFO L168 Benchmark]: TraceAbstraction took 713.25 ms. Allocated memory is still 54.5 MB. Free memory was 31.1 MB in the beginning and 22.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:35,268 INFO L168 Benchmark]: Witness Printer took 8.64 ms. Allocated memory is still 54.5 MB. Free memory was 22.5 MB in the beginning and 36.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:35,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory is still 28.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.18 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 21.1 MB in the end (delta: -173.8 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.89 ms. Allocated memory is still 44.0 MB. Free memory was 21.1 MB in the beginning and 19.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.00 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.2 MB in the beginning and 37.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 539.41 ms. Allocated memory is still 54.5 MB. Free memory was 37.9 MB in the beginning and 31.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 713.25 ms. Allocated memory is still 54.5 MB. Free memory was 31.1 MB in the beginning and 22.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Witness Printer took 8.64 ms. Allocated memory is still 54.5 MB. Free memory was 22.5 MB in the beginning and 36.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 93]: 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 88, overapproximation of shiftRight at line 36, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 92. Possible FailurePath: [L88] double x = -0.0; [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L29] COND TRUE exponent_less_1023 < 20 [L30] COND FALSE !(exponent_less_1023 < 0) [L36] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L37] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L38] return x; [L89] double res = round_double(x); [L92] EXPR res == -0.0 && __signbit_double(res) == 1 [L92] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L93] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 38 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 15:30:37,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:30:37,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:30:38,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:30:38,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:30:38,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:30:38,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:30:38,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:30:38,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:30:38,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:30:38,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:30:38,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:30:38,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:30:38,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:30:38,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:30:38,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:30:38,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:30:38,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:30:38,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:30:38,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:30:38,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:30:38,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:30:38,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:30:38,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:30:38,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:30:38,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:30:38,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:30:38,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:30:38,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:30:38,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:30:38,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:30:38,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:30:38,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:30:38,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:30:38,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:30:38,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:30:38,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:30:38,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:30:38,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:30:38,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:30:38,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:30:38,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:30:38,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:30:38,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:30:38,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:30:38,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:30:38,210 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:30:38,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:30:38,211 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:30:38,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:30:38,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:30:38,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:30:38,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:30:38,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:30:38,214 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:30:38,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:30:38,214 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:30:38,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:30:38,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:30:38,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:30:38,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:30:38,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:30:38,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:30:38,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:30:38,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:30:38,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:30:38,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:30:38,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:30:38,217 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:30:38,217 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:30:38,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:30:38,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:30:38,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:30:38,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85249c132f434df72ec1ecca47ec776ea5a3cebf [2020-12-02 15:30:38,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:30:38,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:30:38,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:30:38,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:30:38,725 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:30:38,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032b.c [2020-12-02 15:30:38,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0170dcf6a/63656a0428c24c508b9f459d41767263/FLAG55270877f [2020-12-02 15:30:39,518 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:30:39,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1032b.c [2020-12-02 15:30:39,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0170dcf6a/63656a0428c24c508b9f459d41767263/FLAG55270877f [2020-12-02 15:30:39,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0170dcf6a/63656a0428c24c508b9f459d41767263 [2020-12-02 15:30:39,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:30:39,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:30:39,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:30:39,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:30:39,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:30:39,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:30:39" (1/1) ... [2020-12-02 15:30:39,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0fc26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:39, skipping insertion in model container [2020-12-02 15:30:39,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:30:39" (1/1) ... [2020-12-02 15:30:39,933 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:30:39,958 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:30:40,216 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_1032b.c[2284,2297] [2020-12-02 15:30:40,220 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:30:40,241 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:30:40,278 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_1032b.c[2284,2297] [2020-12-02 15:30:40,279 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:30:40,309 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:30:40,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40 WrapperNode [2020-12-02 15:30:40,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:30:40,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:30:40,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:30:40,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:30:40,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:30:40,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:30:40,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:30:40,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:30:40,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (1/1) ... [2020-12-02 15:30:40,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:30:40,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:30:40,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:30:40,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:30:40,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (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 15:30:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:30:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:30:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:30:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:30:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:30:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:30:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:30:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:30:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:30:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:30:41,236 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:30:41,236 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:30:41,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:41 BoogieIcfgContainer [2020-12-02 15:30:41,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:30:41,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:30:41,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:30:41,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:30:41,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:30:39" (1/3) ... [2020-12-02 15:30:41,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c72266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:30:41, skipping insertion in model container [2020-12-02 15:30:41,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:40" (2/3) ... [2020-12-02 15:30:41,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c72266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:30:41, skipping insertion in model container [2020-12-02 15:30:41,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:41" (3/3) ... [2020-12-02 15:30:41,249 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2020-12-02 15:30:41,265 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:30:41,269 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:30:41,290 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:30:41,321 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:30:41,321 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:30:41,322 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:30:41,322 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:30:41,322 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:30:41,322 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:30:41,322 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:30:41,323 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:30:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-02 15:30:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:30:41,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:30:41,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:30:41,347 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:30:41,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:30:41,354 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-12-02 15:30:41,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:30:41,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722657085] [2020-12-02 15:30:41,370 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 15:30:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:30:41,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:30:41,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:30:41,535 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 15:30:41,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:30:41,560 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 15:30:41,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722657085] [2020-12-02 15:30:41,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:30:41,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:30:41,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987297343] [2020-12-02 15:30:41,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:30:41,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:30:41,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:30:41,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:30:41,587 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-02 15:30:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:30:41,608 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2020-12-02 15:30:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:30:41,610 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 15:30:41,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:30:41,621 INFO L225 Difference]: With dead ends: 58 [2020-12-02 15:30:41,621 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 15:30:41,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:30:41,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 15:30:41,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 15:30:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 15:30:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-12-02 15:30:41,664 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-12-02 15:30:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:30:41,665 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-12-02 15:30:41,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:30:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-12-02 15:30:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:30:41,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:30:41,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:30:41,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:30:41,881 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:30:41,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:30:41,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-12-02 15:30:41,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:30:41,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876248468] [2020-12-02 15:30:41,884 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 15:30:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:30:41,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 15:30:41,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:30:42,238 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 15:30:42,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:30:42,350 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 15:30:42,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876248468] [2020-12-02 15:30:42,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:30:42,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-02 15:30:42,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724413692] [2020-12-02 15:30:42,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 15:30:42,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:30:42,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 15:30:42,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 15:30:42,354 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2020-12-02 15:30:42,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:30:42,676 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-12-02 15:30:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:30:42,678 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-12-02 15:30:42,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:30:42,679 INFO L225 Difference]: With dead ends: 40 [2020-12-02 15:30:42,679 INFO L226 Difference]: Without dead ends: 21 [2020-12-02 15:30:42,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-02 15:30:42,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-02 15:30:42,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-02 15:30:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-02 15:30:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-12-02 15:30:42,687 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2020-12-02 15:30:42,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:30:42,688 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-12-02 15:30:42,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 15:30:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-12-02 15:30:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 15:30:42,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:30:42,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:30:42,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:30:42,903 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:30:42,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:30:42,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2020-12-02 15:30:42,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:30:42,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987610387] [2020-12-02 15:30:42,908 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 15:30:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:30:43,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:30:43,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:30:43,105 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 17 treesize of output 15 [2020-12-02 15:30:43,112 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:30:43,118 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:43,119 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:30:43,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:43,124 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 15:30:43,127 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:7 [2020-12-02 15:30:43,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:30:43,225 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:30:43,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:30:43,263 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 15:30:43,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:30:43,436 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 51 treesize of output 45 [2020-12-02 15:30:43,448 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:30:43,454 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:43,455 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:30:43,478 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:43,486 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 15:30:43,487 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:79, output treesize:49 [2020-12-02 15:30:43,625 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 15:30:43,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987610387] [2020-12-02 15:30:43,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:30:43,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-12-02 15:30:43,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087768288] [2020-12-02 15:30:43,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 15:30:43,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:30:43,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 15:30:43,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-12-02 15:30:43,635 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2020-12-02 15:30:44,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:30:44,247 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-02 15:30:44,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:30:44,248 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2020-12-02 15:30:44,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:30:44,249 INFO L225 Difference]: With dead ends: 24 [2020-12-02 15:30:44,249 INFO L226 Difference]: Without dead ends: 21 [2020-12-02 15:30:44,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-02 15:30:44,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-02 15:30:44,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-02 15:30:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-02 15:30:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-12-02 15:30:44,257 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-12-02 15:30:44,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:30:44,258 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-12-02 15:30:44,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 15:30:44,258 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-12-02 15:30:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-02 15:30:44,259 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:30:44,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:30:44,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:30:44,473 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:30:44,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:30:44,474 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2020-12-02 15:30:44,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:30:44,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467808083] [2020-12-02 15:30:44,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 15:30:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:30:44,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 15:30:44,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:30:44,734 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 16 treesize of output 14 [2020-12-02 15:30:44,741 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:30:44,745 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:44,746 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:30:44,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:44,765 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-02 15:30:44,766 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:32 [2020-12-02 15:30:45,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:30:45,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:30:45,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:30:45,339 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 15:30:45,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:30:45,672 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 19 treesize of output 17 [2020-12-02 15:30:45,676 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:30:45,680 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:45,681 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:30:45,684 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:30:45,685 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 15:30:45,686 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:9 [2020-12-02 15:30:45,885 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 15:30:45,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467808083] [2020-12-02 15:30:45,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:30:45,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 17 [2020-12-02 15:30:45,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342178781] [2020-12-02 15:30:45,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-02 15:30:45,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:30:45,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-02 15:30:45,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-12-02 15:30:45,889 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 17 states. [2020-12-02 15:30:47,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:30:47,268 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-12-02 15:30:47,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-02 15:30:47,269 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 20 [2020-12-02 15:30:47,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:30:47,270 INFO L225 Difference]: With dead ends: 21 [2020-12-02 15:30:47,270 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:30:47,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2020-12-02 15:30:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:30:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:30:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:30:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:30:47,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-12-02 15:30:47,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:30:47,274 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:30:47,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-02 15:30:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:30:47,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:30:47,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:30:47,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:30:48,371 WARN L197 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-12-02 15:30:48,769 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2020-12-02 15:30:49,616 WARN L197 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2020-12-02 15:30:49,656 INFO L265 CegarLoopResult]: At program point L97(lines 80 98) the Hoare annotation is: true [2020-12-02 15:30:49,656 INFO L262 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-12-02 15:30:49,657 INFO L258 CegarLoopResult]: At program point L77(lines 68 78) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse0 (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|)))) (and (= .cse0 (_ +zero 11 53)) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0))) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse0))))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ 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|)))) (and (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) |ULTIMATE.start_round_double_#res|) (= .cse1 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse1))))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse2 (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|)))) (and (= .cse2 (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse2))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse3 (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|)))) (and (= ((_ extract 63 32) ULTIMATE.start_round_double_~x) ULTIMATE.start_round_double_~msw~0) (= .cse3 (_ +zero 11 53)) (= (fp.neg .cse3) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse4 (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|)))) (and (= .cse4 (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_round_double_~x) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse4))))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_6| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_6|)))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) ULTIMATE.start_round_double_~x)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp.neg .cse5) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))) (= .cse5 (_ +zero 11 53))))) |ULTIMATE.start_main_#t~short22| (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse6 (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|)))) (and (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start___signbit_double_~x) (= .cse6 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse6))))) (forall ((|v_ULTIMATE.start_main_#t~nondet20_11| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet19_11| (_ BitVec 64))) (let ((.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet20_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet20_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet20_11|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet19_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet19_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet19_11|)))) (or (fp.eq (let ((.cse7 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) .cse8) (not (= .cse9 (_ +zero 11 53))) (not (= .cse8 (fp.neg .cse9)))))) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-02 15:30:49,657 INFO L262 CegarLoopResult]: For program point L44(lines 44 47) no Hoare annotation was computed. [2020-12-02 15:30:49,657 INFO L258 CegarLoopResult]: At program point L65(lines 19 66) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse0 (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|)))) (and (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) |ULTIMATE.start_round_double_#res|) (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse0))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_6|)))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) ULTIMATE.start_round_double_~x)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp.neg .cse1) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))) (= .cse1 (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse2 (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|)))) (and (= .cse2 (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_round_double_~x) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse2))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_6| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_6|)))) (and (= ((_ extract 63 32) ULTIMATE.start_round_double_~x) ULTIMATE.start_round_double_~msw~0) (= (fp.neg .cse3) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))) (= .cse3 (_ +zero 11 53))))) (forall ((|v_ULTIMATE.start_main_#t~nondet20_11| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet19_11| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet20_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet20_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet20_11|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet19_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet19_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet19_11|)))) (or (fp.eq (let ((.cse4 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) .cse5) (not (= .cse6 (_ +zero 11 53))) (not (= .cse5 (fp.neg .cse6))))))) [2020-12-02 15:30:49,657 INFO L262 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-12-02 15:30:49,657 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point L29(lines 29 58) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2020-12-02 15:30:49,658 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-12-02 15:30:49,659 INFO L262 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-12-02 15:30:49,659 INFO L258 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse0 (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|)))) (and (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) |ULTIMATE.start_round_double_#res|) (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse0))))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ 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|)))) (and (= .cse1 (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_main_~res~0) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse1))))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= |ULTIMATE.start_round_double_#res| (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_6| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_6|)))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) ULTIMATE.start_round_double_~x)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp.neg .cse2) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))) (= .cse2 (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse3 (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|)))) (and (= .cse3 (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_round_double_~x) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse3))))) |ULTIMATE.start_main_#t~short22| (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64)) (ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (let ((.cse4 (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|)))) (and (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start___signbit_double_~x) (= .cse4 (_ +zero 11 53)) (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (fp.neg .cse4))))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_6| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_6|)))) (and (= ((_ extract 63 32) ULTIMATE.start_round_double_~x) ULTIMATE.start_round_double_~msw~0) (= (fp.neg .cse5) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))) (= .cse5 (_ +zero 11 53))))) (forall ((|v_ULTIMATE.start_main_#t~nondet20_11| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet19_11| (_ BitVec 64))) (let ((.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet20_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet20_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet20_11|))) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet19_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet19_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet19_11|)))) (or (fp.eq (let ((.cse6 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) .cse7) (not (= .cse8 (_ +zero 11 53))) (not (= .cse7 (fp.neg .cse8))))))) [2020-12-02 15:30:49,659 INFO L262 CegarLoopResult]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2020-12-02 15:30:49,660 INFO L262 CegarLoopResult]: For program point L30(lines 30 42) no Hoare annotation was computed. [2020-12-02 15:30:49,660 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-02 15:30:49,660 INFO L262 CegarLoopResult]: For program point L59(lines 59 64) no Hoare annotation was computed. [2020-12-02 15:30:49,660 INFO L262 CegarLoopResult]: For program point L59-1(lines 19 66) no Hoare annotation was computed. [2020-12-02 15:30:49,660 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 95) no Hoare annotation was computed. [2020-12-02 15:30:49,661 INFO L262 CegarLoopResult]: For program point L59-2(lines 59 64) no Hoare annotation was computed. [2020-12-02 15:30:49,661 INFO L262 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2020-12-02 15:30:49,661 INFO L258 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (exists ((|v_ULTIMATE.start_main_#t~nondet16_8| (_ BitVec 64))) (let ((.cse0 (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|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp.neg .cse0) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x)))))) [2020-12-02 15:30:49,661 INFO L262 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2020-12-02 15:30:49,661 INFO L262 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-12-02 15:30:49,662 INFO L262 CegarLoopResult]: For program point L43(lines 43 58) no Hoare annotation was computed. [2020-12-02 15:30:49,671 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 15:30:49,680 INFO L168 Benchmark]: Toolchain (without parser) took 9768.16 ms. Allocated memory was 39.8 MB in the beginning and 86.0 MB in the end (delta: 46.1 MB). Free memory was 16.7 MB in the beginning and 42.9 MB in the end (delta: -26.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:49,687 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 24.5 MB in the beginning and 24.4 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:30:49,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.96 ms. Allocated memory is still 39.8 MB. Free memory was 16.5 MB in the beginning and 15.7 MB in the end (delta: 853.6 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:49,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.41 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 15.7 MB in the beginning and 31.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:49,691 INFO L168 Benchmark]: Boogie Preprocessor took 66.06 ms. Allocated memory is still 48.2 MB. Free memory was 31.9 MB in the beginning and 30.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:49,692 INFO L168 Benchmark]: RCFGBuilder took 795.54 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 21.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:49,695 INFO L168 Benchmark]: TraceAbstraction took 8436.59 ms. Allocated memory was 48.2 MB in the beginning and 86.0 MB in the end (delta: 37.7 MB). Free memory was 20.7 MB in the beginning and 42.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:49,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 24.5 MB in the beginning and 24.4 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.96 ms. Allocated memory is still 39.8 MB. Free memory was 16.5 MB in the beginning and 15.7 MB in the end (delta: 853.6 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.41 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 15.7 MB in the beginning and 31.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.06 ms. Allocated memory is still 48.2 MB. Free memory was 31.9 MB in the beginning and 30.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 795.54 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 21.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8436.59 ms. Allocated memory was 48.2 MB in the beginning and 86.0 MB in the end (delta: 37.7 MB). Free memory was 20.7 MB in the beginning and 42.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: 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 - 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...