./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3e5ce664 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_1012a.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 1df0ba28598e6a59f0398ecb9ba7a5975e0ea337 .................................................................................................................................................................................................................................................................................................... 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_1012a.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 1df0ba28598e6a59f0398ecb9ba7a5975e0ea337 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-3e5ce66 [2020-12-02 21:35:58,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:35:58,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:35:58,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:35:58,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:35:58,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:35:58,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:35:58,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:35:58,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:35:58,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:35:58,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:35:58,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:35:58,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:35:58,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:35:58,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:35:58,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:35:58,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:35:58,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:35:58,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:35:58,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:35:58,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:35:58,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:35:58,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:35:58,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:35:58,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:35:58,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:35:58,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:35:58,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:35:58,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:35:58,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:35:58,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:35:58,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:35:58,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:35:58,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:35:58,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:35:58,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:35:58,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:35:58,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:35:58,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:35:58,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:35:58,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:35:58,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 21:35:58,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:35:58,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:35:58,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:35:58,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:35:58,919 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:35:58,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:35:58,920 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:35:58,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 21:35:58,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:35:58,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:35:58,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:35:58,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:35:58,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:35:58,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:35:58,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:35:58,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:35:58,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:35:58,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:35:58,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:35:58,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:35:58,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:35:58,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:35:58,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:35:58,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:35:58,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 21:35:58,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 21:35:58,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:35:58,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:35:58,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df0ba28598e6a59f0398ecb9ba7a5975e0ea337 [2020-12-02 21:35:59,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:35:59,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:35:59,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:35:59,430 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:35:59,431 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:35:59,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-12-02 21:35:59,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4fef3f75/2dfcdd30f2934877926c379976d99eb0/FLAGa50eca8c7 [2020-12-02 21:36:00,307 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:36:00,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-12-02 21:36:00,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4fef3f75/2dfcdd30f2934877926c379976d99eb0/FLAGa50eca8c7 [2020-12-02 21:36:00,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4fef3f75/2dfcdd30f2934877926c379976d99eb0 [2020-12-02 21:36:00,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:36:00,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:36:00,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:36:00,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:36:00,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:36:00,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:00" (1/1) ... [2020-12-02 21:36:00,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39491a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:00, skipping insertion in model container [2020-12-02 21:36:00,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:00" (1/1) ... [2020-12-02 21:36:00,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:36:00,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:36:00,948 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_1012a.c[1638,1651] [2020-12-02 21:36:00,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:36:00,971 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:36:01,002 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_1012a.c[1638,1651] [2020-12-02 21:36:01,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:36:01,024 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:36:01,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01 WrapperNode [2020-12-02 21:36:01,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:36:01,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:36:01,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:36:01,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:36:01,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:36:01,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:36:01,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:36:01,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:36:01,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (1/1) ... [2020-12-02 21:36:01,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:36:01,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:36:01,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:36:01,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:36:01,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (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 21:36:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 21:36:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:36:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 21:36:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 21:36:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 21:36:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:36:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:36:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 21:36:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:36:01,758 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:36:01,758 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 21:36:01,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:01 BoogieIcfgContainer [2020-12-02 21:36:01,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:36:01,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:36:01,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:36:01,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:36:01,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:36:00" (1/3) ... [2020-12-02 21:36:01,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a9eabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:36:01, skipping insertion in model container [2020-12-02 21:36:01,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:01" (2/3) ... [2020-12-02 21:36:01,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a9eabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:36:01, skipping insertion in model container [2020-12-02 21:36:01,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:01" (3/3) ... [2020-12-02 21:36:01,776 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2020-12-02 21:36:01,828 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:36:01,842 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:36:01,884 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:36:01,953 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:36:01,953 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:36:01,953 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:36:01,953 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:36:01,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:36:01,954 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:36:01,954 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:36:01,954 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:36:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-12-02 21:36:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:36:01,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:36:01,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:36:02,000 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:36:02,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:36:02,011 INFO L82 PathProgramCache]: Analyzing trace with hash -969083750, now seen corresponding path program 1 times [2020-12-02 21:36:02,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:36:02,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000105856] [2020-12-02 21:36:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:36:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:36:02,290 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 21:36:02,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000105856] [2020-12-02 21:36:02,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:36:02,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 21:36:02,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818581612] [2020-12-02 21:36:02,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:36:02,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 21:36:02,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:36:02,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:36:02,339 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-12-02 21:36:02,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:36:02,365 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2020-12-02 21:36:02,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:36:02,368 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 21:36:02,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:36:02,392 INFO L225 Difference]: With dead ends: 34 [2020-12-02 21:36:02,401 INFO L226 Difference]: Without dead ends: 15 [2020-12-02 21:36:02,411 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 21:36:02,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-02 21:36:02,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-02 21:36:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-02 21:36:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-12-02 21:36:02,471 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2020-12-02 21:36:02,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:36:02,471 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-12-02 21:36:02,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:36:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-12-02 21:36:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:36:02,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:36:02,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:36:02,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 21:36:02,475 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:36:02,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:36:02,478 INFO L82 PathProgramCache]: Analyzing trace with hash 657368916, now seen corresponding path program 1 times [2020-12-02 21:36:02,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:36:02,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044182015] [2020-12-02 21:36:02,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:36:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:36:02,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:36:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:36:02,708 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:36:02,743 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 21:36:02,743 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 21:36:02,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 21:36:02,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:36:02 BoogieIcfgContainer [2020-12-02 21:36:02,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:36:02,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:36:02,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:36:02,790 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:36:02,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:01" (3/4) ... [2020-12-02 21:36:02,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 21:36:02,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:36:02,800 INFO L168 Benchmark]: Toolchain (without parser) took 2155.06 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 35.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:02,801 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 37.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:36:02,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.37 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 36.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:02,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.8 MB in the beginning and 35.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:02,805 INFO L168 Benchmark]: Boogie Preprocessor took 41.60 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:02,806 INFO L168 Benchmark]: RCFGBuilder took 639.02 ms. Allocated memory is still 54.5 MB. Free memory was 33.8 MB in the beginning and 33.4 MB in the end (delta: 355.2 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:02,808 INFO L168 Benchmark]: TraceAbstraction took 1025.88 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 35.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:02,809 INFO L168 Benchmark]: Witness Printer took 6.80 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 35.4 MB in the end (delta: 316.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:36:02,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 37.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.37 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 36.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.8 MB in the beginning and 35.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.60 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 639.02 ms. Allocated memory is still 54.5 MB. Free memory was 33.8 MB in the beginning and 33.4 MB in the end (delta: 355.2 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1025.88 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 35.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.80 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 35.4 MB in the end (delta: 316.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 75]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 70, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L70] double x = 1.0 / 0.0; [L47] __uint32_t high; [L49] ieee_double_shape_type gh_u; [L50] gh_u.value = (x) [L51] EXPR gh_u.parts.msw [L51] (high) = gh_u.parts.msw [L54] ieee_double_shape_type sh_u; [L55] sh_u.value = (x) [L56] sh_u.parts.msw = (high & 0x7fffffff) [L57] EXPR sh_u.value [L57] (x) = sh_u.value [L59] return x; [L71] double res = fabs_double(x); [L33] __int32_t hx, lx; [L35] ieee_double_shape_type ew_u; [L36] ew_u.value = (x) [L37] EXPR ew_u.parts.msw [L37] (hx) = ew_u.parts.msw [L38] EXPR ew_u.parts.lsw [L38] (lx) = ew_u.parts.lsw [L40] hx &= 0x7fffffff [L41] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L42] hx = 0x7ff00000 - hx [L43] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L74] COND TRUE !isinf_double(res) [L75] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 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=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 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 0.2.0-3e5ce66 [2020-12-02 21:36:05,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:36:05,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:36:05,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:36:05,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:36:05,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:36:05,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:36:05,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:36:05,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:36:05,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:36:05,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:36:05,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:36:05,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:36:05,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:36:05,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:36:05,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:36:05,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:36:05,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:36:05,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:36:05,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:36:05,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:36:05,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:36:05,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:36:05,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:36:05,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:36:05,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:36:05,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:36:05,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:36:05,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:36:05,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:36:05,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:36:05,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:36:05,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:36:05,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:36:05,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:36:05,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:36:05,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:36:05,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:36:05,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:36:05,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:36:05,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:36:05,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 21:36:05,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:36:05,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:36:05,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:36:05,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:36:05,915 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:36:05,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:36:05,916 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:36:05,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:36:05,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:36:05,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:36:05,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:36:05,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:36:05,918 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 21:36:05,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 21:36:05,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:36:05,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:36:05,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:36:05,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:36:05,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:36:05,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:36:05,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:36:05,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:36:05,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:36:05,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:36:05,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:36:05,926 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 21:36:05,927 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-02 21:36:05,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:36:05,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:36:05,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 21:36:05,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df0ba28598e6a59f0398ecb9ba7a5975e0ea337 [2020-12-02 21:36:06,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:36:06,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:36:06,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:36:06,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:36:06,511 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:36:06,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-12-02 21:36:06,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb690226e/3fb9e527535549cf82436baa2f9f014b/FLAG269d7a295 [2020-12-02 21:36:07,304 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:36:07,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-12-02 21:36:07,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb690226e/3fb9e527535549cf82436baa2f9f014b/FLAG269d7a295 [2020-12-02 21:36:07,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb690226e/3fb9e527535549cf82436baa2f9f014b [2020-12-02 21:36:07,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:36:07,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:36:07,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:36:07,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:36:07,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:36:07,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:07" (1/1) ... [2020-12-02 21:36:07,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50648c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:07, skipping insertion in model container [2020-12-02 21:36:07,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:07" (1/1) ... [2020-12-02 21:36:07,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:36:07,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:36:08,085 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_1012a.c[1638,1651] [2020-12-02 21:36:08,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:36:08,116 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:36:08,155 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_1012a.c[1638,1651] [2020-12-02 21:36:08,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:36:08,185 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:36:08,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08 WrapperNode [2020-12-02 21:36:08,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:36:08,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:36:08,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:36:08,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:36:08,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:36:08,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:36:08,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:36:08,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:36:08,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... [2020-12-02 21:36:08,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:36:08,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:36:08,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:36:08,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:36:08,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:36:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 21:36:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 21:36:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 21:36:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:36:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 21:36:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:36:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:36:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 21:36:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:36:08,839 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:36:08,840 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 21:36:08,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:08 BoogieIcfgContainer [2020-12-02 21:36:08,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:36:08,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:36:08,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:36:08,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:36:08,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:36:07" (1/3) ... [2020-12-02 21:36:08,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f2b403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:36:08, skipping insertion in model container [2020-12-02 21:36:08,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:08" (2/3) ... [2020-12-02 21:36:08,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f2b403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:36:08, skipping insertion in model container [2020-12-02 21:36:08,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:08" (3/3) ... [2020-12-02 21:36:08,858 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2020-12-02 21:36:08,880 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:36:08,886 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:36:08,905 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:36:08,939 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:36:08,939 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:36:08,940 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:36:08,940 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:36:08,940 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:36:08,941 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:36:08,941 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:36:08,941 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:36:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-12-02 21:36:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:36:08,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:36:08,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:36:08,982 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:36:08,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:36:08,992 INFO L82 PathProgramCache]: Analyzing trace with hash -969083750, now seen corresponding path program 1 times [2020-12-02 21:36:09,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:36:09,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202659142] [2020-12-02 21:36:09,011 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 21:36:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:36:09,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 21:36:09,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:36:09,261 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 21:36:09,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:36:09,294 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 21:36:09,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202659142] [2020-12-02 21:36:09,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:36:09,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 21:36:09,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703004456] [2020-12-02 21:36:09,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:36:09,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:36:09,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:36:09,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:36:09,334 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-12-02 21:36:09,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:36:09,361 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2020-12-02 21:36:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:36:09,364 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 21:36:09,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:36:09,380 INFO L225 Difference]: With dead ends: 34 [2020-12-02 21:36:09,381 INFO L226 Difference]: Without dead ends: 15 [2020-12-02 21:36:09,385 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 21:36:09,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-02 21:36:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-02 21:36:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-02 21:36:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-12-02 21:36:09,439 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2020-12-02 21:36:09,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:36:09,440 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-12-02 21:36:09,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:36:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-12-02 21:36:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:36:09,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:36:09,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:36:09,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 21:36:09,659 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:36:09,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:36:09,663 INFO L82 PathProgramCache]: Analyzing trace with hash 657368916, now seen corresponding path program 1 times [2020-12-02 21:36:09,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:36:09,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754393522] [2020-12-02 21:36:09,669 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 21:36:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:36:09,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-02 21:36:09,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:36:09,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 21:36:09,974 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-02 21:36:09,977 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 21:36:10,019 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:10,031 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-02 21:36:10,031 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:41, output treesize:41 [2020-12-02 21:36:10,260 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:10,261 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 75 [2020-12-02 21:36:10,270 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 21:36:10,395 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-02 21:36:10,396 INFO L625 ElimStorePlain]: treesize reduction 36, result has 74.1 percent of original size [2020-12-02 21:36:10,413 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-12-02 21:36:10,414 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:106, output treesize:103 [2020-12-02 21:36:10,886 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:10,888 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 97 [2020-12-02 21:36:10,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:10,900 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:10,909 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:10,912 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:10,918 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:10,921 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:10,926 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-02 21:36:10,937 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:10,939 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:10,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:10,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:10,954 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:10,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:10,969 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:10,972 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:10,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:10,983 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:10,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:10,991 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:10,999 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:11,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,022 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:11,026 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,045 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4, v_arrayElimCell_5], 2=[v_arrayElimCell_3]} [2020-12-02 21:36:11,260 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:11,261 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 97 [2020-12-02 21:36:11,265 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,269 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,273 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:11,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-02 21:36:11,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,280 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,283 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,285 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:11,294 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:11,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,308 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,316 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:11,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:11,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,326 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:11,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,339 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_7, v_arrayElimCell_8], 2=[v_arrayElimCell_6]} [2020-12-02 21:36:11,462 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:11,463 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 165 treesize of output 161 [2020-12-02 21:36:11,468 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:11,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-02 21:36:11,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:11,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:11,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:11,498 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,510 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,512 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:11,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,527 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,529 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:11,532 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,546 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_11, v_arrayElimCell_10], 2=[v_arrayElimCell_9]} [2020-12-02 21:36:11,906 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:11,907 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 165 treesize of output 161 [2020-12-02 21:36:11,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,920 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:11,929 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,931 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-02 21:36:11,933 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,936 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,937 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,940 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:11,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,949 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 21:36:11,956 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:36:11,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 21:36:11,969 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,972 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,974 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:11,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 21:36:11,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:36:11,983 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 21:36:11,986 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 21:36:11,997 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_13, v_arrayElimCell_14], 2=[v_arrayElimCell_12]} [2020-12-02 21:36:12,336 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 21:36:12,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:36:15,399 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_isinf_double_~#ew_u~0.base_6| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) c_ULTIMATE.start_fabs_double_~high~0))) (let ((.cse2 (store (store (select |c_#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (_ bv4 32) .cse1))) (or (not (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse3 (bvadd (bvneg (let ((.cse4 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|))) (bvor (bvand (_ bv2147483647 32) .cse4) (bvlshr (let ((.cse5 (select (store (store (select (store |c_#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| .cse2) |v_ULTIMATE.start_isinf_double_~#ew_u~0.base_6|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|)) (_ bv4 32) .cse4) (_ bv0 32)))) (bvor .cse5 (bvneg .cse5))) (_ bv31 32))))) (_ bv2146435072 32)))) (bvor .cse3 (bvneg .cse3))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) c_ULTIMATE.start_fabs_double_~x)))))) is different from false [2020-12-02 21:36:15,624 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-02 21:36:15,625 INFO L348 Elim1Store]: treesize reduction 28, result has 70.5 percent of original size [2020-12-02 21:36:15,626 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 363 treesize of output 226 [2020-12-02 21:36:15,629 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-02 21:36:15,630 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 21:36:15,632 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-02 21:36:15,638 INFO L443 ElimStorePlain]: Different costs {1=[v_arrayElimArr_2], 3=[v_arrayElimArr_1]} [2020-12-02 21:36:15,688 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:15,688 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 90 [2020-12-02 21:36:15,691 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:36:15,692 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:36:15,693 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 21:36:15,720 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_15], 2=[v_arrayElimCell_16]} [2020-12-02 21:36:17,759 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_isinf_double_~#ew_u~0.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|#memory_int| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32))) (let ((.cse7 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|))) (let ((.cse6 (store |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (store (store (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (_ bv4 32) .cse7))) (.cse1 (bvand (_ bv2147483647 32) .cse7))) (let ((.cse2 (store (store (select .cse6 |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (_ bv4 32) .cse1))) (or (not (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (_ bv4294967295 32) (bvneg (bvlshr (let ((.cse3 (bvadd (bvneg (let ((.cse4 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|))) (bvor (bvand (_ bv2147483647 32) .cse4) (bvlshr (let ((.cse5 (select (store (store (select (store .cse6 |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| .cse2) |v_ULTIMATE.start_isinf_double_~#ew_u~0.base_6|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|)) (_ bv4 32) .cse4) (_ bv0 32)))) (bvor .cse5 (bvneg .cse5))) (_ bv31 32))))) (_ bv2146435072 32)))) (bvor .cse3 (bvneg .cse3))) (_ bv31 32))))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) c_ULTIMATE.start_fabs_double_~x)) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) c_ULTIMATE.start_fabs_double_~x))))))) is different from false [2020-12-02 21:36:17,793 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 21:36:17,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754393522] [2020-12-02 21:36:17,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:36:17,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2020-12-02 21:36:17,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315170516] [2020-12-02 21:36:17,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-02 21:36:17,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:36:17,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-02 21:36:17,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=201, Unknown=3, NotChecked=58, Total=306 [2020-12-02 21:36:17,804 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 18 states. [2020-12-02 21:36:22,448 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-02 21:36:31,358 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-02 21:36:35,862 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-12-02 21:36:43,416 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-12-02 21:36:43,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:36:43,419 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2020-12-02 21:36:43,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 21:36:43,419 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 14 [2020-12-02 21:36:43,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:36:43,420 INFO L225 Difference]: With dead ends: 15 [2020-12-02 21:36:43,420 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 21:36:43,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 31.1s TimeCoverageRelationStatistics Valid=108, Invalid=317, Unknown=3, NotChecked=78, Total=506 [2020-12-02 21:36:43,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 21:36:43,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 21:36:43,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 21:36:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 21:36:43,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-12-02 21:36:43,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:36:43,422 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 21:36:43,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-02 21:36:43,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 21:36:43,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 21:36:43,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 21:36:43,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 21:36:43,813 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-02 21:36:44,070 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-12-02 21:36:44,081 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 21:36:44,081 INFO L262 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2020-12-02 21:36:44,082 INFO L265 CegarLoopResult]: At program point L79(lines 62 80) the Hoare annotation is: true [2020-12-02 21:36:44,082 INFO L258 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_fabs_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2020-12-02 21:36:44,082 INFO L262 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-12-02 21:36:44,082 INFO L262 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-12-02 21:36:44,083 INFO L258 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse6 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (.cse4 (select .cse6 (_ bv4 32))) (.cse1 (select .cse6 (_ bv0 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (= (select .cse0 (_ bv4 32)) .cse2) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse3) (= .cse4 (bvand (_ bv2147483647 32) .cse2)) (= .cse3 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ULTIMATE.start_isinf_double_~x (let ((.cse5 (concat .cse4 .cse1))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))))))) (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse13 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|))) (let ((.cse9 (select .cse13 (_ bv0 32))) (.cse10 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|)) (.cse8 (select .cse13 (_ bv4 32))) (.cse11 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse12 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse7 (concat .cse8 .cse9))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))) (= (select .cse10 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse9 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (= (select .cse10 (_ bv4 32)) .cse11) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse12) (= .cse8 (bvand (_ bv2147483647 32) .cse11)) (= .cse12 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))))) (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse14 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|))) (let ((.cse15 (select .cse14 (_ bv4 32)))) (and (= (select .cse14 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse15 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) ULTIMATE.start_fabs_double_~x) (= .cse15 ULTIMATE.start_fabs_double_~high~0))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_fabs_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2020-12-02 21:36:44,083 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 21:36:44,083 INFO L262 CegarLoopResult]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2020-12-02 21:36:44,083 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 21:36:44,083 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 21:36:44,083 INFO L258 CegarLoopResult]: At program point L59(lines 46 60) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse6 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|))) (let ((.cse2 (select .cse6 (_ bv0 32))) (.cse3 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|)) (.cse1 (select .cse6 (_ bv4 32))) (.cse4 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse5 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse0 (concat .cse1 .cse2))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (select .cse3 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (= (select .cse3 (_ bv4 32)) .cse4) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse5) (= .cse1 (bvand (_ bv2147483647 32) .cse4)) (= .cse5 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))))) (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse7 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|))) (let ((.cse8 (select .cse7 (_ bv4 32)))) (and (= (select .cse7 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse8 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) ULTIMATE.start_fabs_double_~x) (= .cse8 ULTIMATE.start_fabs_double_~high~0))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_fabs_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2020-12-02 21:36:44,084 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 75) no Hoare annotation was computed. [2020-12-02 21:36:44,084 INFO L262 CegarLoopResult]: For program point L53(lines 53 58) no Hoare annotation was computed. [2020-12-02 21:36:44,084 INFO L262 CegarLoopResult]: For program point L53-1(lines 46 60) no Hoare annotation was computed. [2020-12-02 21:36:44,084 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 58) no Hoare annotation was computed. [2020-12-02 21:36:44,085 INFO L258 CegarLoopResult]: At program point L43(lines 32 44) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse6 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (.cse4 (select .cse6 (_ bv4 32))) (.cse1 (select .cse6 (_ bv0 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (= (select .cse0 (_ bv4 32)) .cse2) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse3) (= .cse4 (bvand (_ bv2147483647 32) .cse2)) (= .cse3 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ULTIMATE.start_isinf_double_~x (let ((.cse5 (concat .cse4 .cse1))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))))))) (exists ((|v_ULTIMATE.start_isinf_double_~#ew_u~0.base_6| (_ BitVec 32)) (|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32)) (|v_#memory_int_13| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (currentRoundingMode RoundingMode)) (let ((.cse16 (select |v_#memory_int_13| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|))) (let ((.cse10 (select .cse16 (_ bv4 32))) (.cse7 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse11 (select .cse16 (_ bv0 32))) (.cse15 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (.cse8 (select |v_#memory_int_13| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|))) (and (= .cse7 (select .cse8 (_ bv4 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) (let ((.cse9 (concat .cse10 .cse11))) (fp ((_ extract 63 63) .cse9) ((_ extract 62 52) .cse9) ((_ extract 51 0) .cse9)))) (= (bvadd (bvneg (bvlshr (let ((.cse12 (bvadd (bvneg (let ((.cse13 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|))) (bvor (bvand (_ bv2147483647 32) .cse13) (bvlshr (let ((.cse14 (select (store (store (select |v_#memory_int_13| |v_ULTIMATE.start_isinf_double_~#ew_u~0.base_6|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|)) (_ bv4 32) .cse13) (_ bv0 32)))) (bvor .cse14 (bvneg .cse14))) (_ bv31 32))))) (_ bv2146435072 32)))) (bvor .cse12 (bvneg .cse12))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res|) (= .cse10 (bvand (_ bv2147483647 32) .cse7)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse15) (= .cse11 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (= .cse15 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|) (select .cse8 (_ bv0 32))))))) (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse23 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0.base_5|))) (let ((.cse19 (select .cse23 (_ bv0 32))) (.cse20 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|)) (.cse18 (select .cse23 (_ bv4 32))) (.cse21 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse22 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse17 (concat .cse18 .cse19))) (fp ((_ extract 63 63) .cse17) ((_ extract 62 52) .cse17) ((_ extract 51 0) .cse17)))) (= (select .cse20 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse19 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)) (= (select .cse20 (_ bv4 32)) .cse21) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse22) (= .cse18 (bvand (_ bv2147483647 32) .cse21)) (= .cse22 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))))) (exists ((|v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse24 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1.base_5|))) (let ((.cse25 (select .cse24 (_ bv4 32)))) (and (= (select .cse24 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= .cse25 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) ULTIMATE.start_fabs_double_~x) (= .cse25 ULTIMATE.start_fabs_double_~high~0))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_fabs_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2020-12-02 21:36:44,085 INFO L262 CegarLoopResult]: For program point L74(lines 74 77) no Hoare annotation was computed. [2020-12-02 21:36:44,096 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java: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 21:36:44,103 INFO L168 Benchmark]: Toolchain (without parser) took 36403.02 ms. Allocated memory was 46.1 MB in the beginning and 83.9 MB in the end (delta: 37.7 MB). Free memory was 24.1 MB in the beginning and 66.7 MB in the end (delta: -42.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:44,104 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 37.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:36:44,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.93 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 24.2 MB in the end (delta: -208.0 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:44,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 22.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:36:44,107 INFO L168 Benchmark]: Boogie Preprocessor took 49.89 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 21.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:44,107 INFO L168 Benchmark]: RCFGBuilder took 549.66 ms. Allocated memory is still 46.1 MB. Free memory was 21.1 MB in the beginning and 28.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:44,108 INFO L168 Benchmark]: TraceAbstraction took 35255.98 ms. Allocated memory was 46.1 MB in the beginning and 83.9 MB in the end (delta: 37.7 MB). Free memory was 27.6 MB in the beginning and 66.7 MB in the end (delta: -39.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2020-12-02 21:36:44,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 37.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.93 ms. Allocated memory is still 46.1 MB. Free memory was 23.9 MB in the beginning and 24.2 MB in the end (delta: -208.0 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 22.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.89 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 21.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 549.66 ms. Allocated memory is still 46.1 MB. Free memory was 21.1 MB in the beginning and 28.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35255.98 ms. Allocated memory was 46.1 MB in the beginning and 83.9 MB in the end (delta: 37.7 MB). Free memory was 27.6 MB in the beginning and 66.7 MB in the end (delta: -39.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 75]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - 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...