./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b.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_0960b.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 411418f84906bedc11fcfc3b7bde3a728b9fa839 .............................................................................................................................................................................................................................................................................................................................. 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_0960b.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 411418f84906bedc11fcfc3b7bde3a728b9fa839 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-3e5ce66 [2020-12-02 21:35:41,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:35:41,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:35:42,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:35:42,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:35:42,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:35:42,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:35:42,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:35:42,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:35:42,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:35:42,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:35:42,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:35:42,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:35:42,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:35:42,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:35:42,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:35:42,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:35:42,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:35:42,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:35:42,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:35:42,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:35:42,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:35:42,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:35:42,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:35:42,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:35:42,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:35:42,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:35:42,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:35:42,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:35:42,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:35:42,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:35:42,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:35:42,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:35:42,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:35:42,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:35:42,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:35:42,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:35:42,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:35:42,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:35:42,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:35:42,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:35:42,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 21:35:42,146 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:35:42,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:35:42,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:35:42,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:35:42,157 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:35:42,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:35:42,157 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:35:42,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 21:35:42,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:35:42,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:35:42,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:35:42,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:35:42,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:35:42,159 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:35:42,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:35:42,159 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:35:42,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:35:42,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:35:42,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:35:42,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:35:42,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:35:42,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:35:42,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:35:42,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:35:42,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 21:35:42,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 21:35:42,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:35:42,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:35:42,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 411418f84906bedc11fcfc3b7bde3a728b9fa839 [2020-12-02 21:35:42,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:35:42,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:35:42,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:35:42,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:35:42,597 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:35:42,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b.c [2020-12-02 21:35:42,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/affb2855b/94a18412f2c74899b88ffec8d9c96726/FLAG40c4cc8f2 [2020-12-02 21:35:43,501 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:35:43,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0960b.c [2020-12-02 21:35:43,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/affb2855b/94a18412f2c74899b88ffec8d9c96726/FLAG40c4cc8f2 [2020-12-02 21:35:43,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/affb2855b/94a18412f2c74899b88ffec8d9c96726 [2020-12-02 21:35:43,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:35:43,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:35:43,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:35:43,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:35:43,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:35:43,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:43" (1/1) ... [2020-12-02 21:35:43,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6835b609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:43, skipping insertion in model container [2020-12-02 21:35:43,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:43" (1/1) ... [2020-12-02 21:35:43,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:35:43,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:35:44,156 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_0960b.c[4845,4858] [2020-12-02 21:35:44,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:35:44,174 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:35:44,245 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_0960b.c[4845,4858] [2020-12-02 21:35:44,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:35:44,284 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:35:44,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44 WrapperNode [2020-12-02 21:35:44,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:35:44,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:35:44,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:35:44,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:35:44,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:35:44,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:35:44,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:35:44,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:35:44,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (1/1) ... [2020-12-02 21:35:44,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:35:44,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:35:44,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:35:44,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:35:44,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (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 21:35:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 21:35:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:35:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 21:35:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 21:35:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 21:35:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:35:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:35:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 21:35:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:35:45,200 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:35:45,201 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-02 21:35:45,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:45 BoogieIcfgContainer [2020-12-02 21:35:45,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:35:45,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:35:45,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:35:45,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:35:45,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:35:43" (1/3) ... [2020-12-02 21:35:45,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60da985a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:35:45, skipping insertion in model container [2020-12-02 21:35:45,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:44" (2/3) ... [2020-12-02 21:35:45,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60da985a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:35:45, skipping insertion in model container [2020-12-02 21:35:45,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:45" (3/3) ... [2020-12-02 21:35:45,217 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2020-12-02 21:35:45,244 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:35:45,249 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:35:45,268 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:35:45,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:35:45,329 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:35:45,329 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:35:45,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:35:45,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:35:45,330 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:35:45,330 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:35:45,330 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:35:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-12-02 21:35:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 21:35:45,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:35:45,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:35:45,378 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:35:45,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:35:45,394 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-12-02 21:35:45,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:35:45,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748421851] [2020-12-02 21:35:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:35:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:35:45,756 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 21:35:45,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748421851] [2020-12-02 21:35:45,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:35:45,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 21:35:45,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267202944] [2020-12-02 21:35:45,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:35:45,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 21:35:45,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:35:45,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:35:45,795 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-12-02 21:35:45,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:35:45,848 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2020-12-02 21:35:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:35:45,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-02 21:35:45,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:35:45,893 INFO L225 Difference]: With dead ends: 88 [2020-12-02 21:35:45,894 INFO L226 Difference]: Without dead ends: 42 [2020-12-02 21:35:45,900 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 21:35:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-02 21:35:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-12-02 21:35:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-02 21:35:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-12-02 21:35:45,951 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-12-02 21:35:45,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:35:45,952 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-12-02 21:35:45,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:35:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-12-02 21:35:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:35:45,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:35:45,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:35:45,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 21:35:45,955 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:35:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:35:45,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-12-02 21:35:45,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:35:45,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64566736] [2020-12-02 21:35:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:35:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:35:46,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:35:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:35:46,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:35:46,242 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 21:35:46,243 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 21:35:46,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 21:35:46,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:35:46 BoogieIcfgContainer [2020-12-02 21:35:46,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:35:46,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:35:46,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:35:46,341 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:35:46,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:45" (3/4) ... [2020-12-02 21:35:46,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 21:35:46,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:35:46,350 INFO L168 Benchmark]: Toolchain (without parser) took 2553.80 ms. Allocated memory was 39.8 MB in the beginning and 60.8 MB in the end (delta: 21.0 MB). Free memory was 23.9 MB in the beginning and 25.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:35:46,351 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 39.8 MB. Free memory was 22.9 MB in the beginning and 22.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:35:46,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.17 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 23.7 MB in the beginning and 28.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:35:46,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.00 ms. Allocated memory is still 48.2 MB. Free memory was 28.7 MB in the beginning and 26.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:35:46,354 INFO L168 Benchmark]: Boogie Preprocessor took 59.59 ms. Allocated memory is still 48.2 MB. Free memory was 26.4 MB in the beginning and 24.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:35:46,355 INFO L168 Benchmark]: RCFGBuilder took 785.28 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 19.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-02 21:35:46,356 INFO L168 Benchmark]: TraceAbstraction took 1132.88 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 19.2 MB in the beginning and 26.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:35:46,357 INFO L168 Benchmark]: Witness Printer took 6.51 ms. Allocated memory is still 60.8 MB. Free memory was 26.2 MB in the beginning and 26.0 MB in the end (delta: 119.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:35:46,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 39.8 MB. Free memory was 22.9 MB in the beginning and 22.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.17 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 23.7 MB in the beginning and 28.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.00 ms. Allocated memory is still 48.2 MB. Free memory was 28.7 MB in the beginning and 26.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.59 ms. Allocated memory is still 48.2 MB. Free memory was 26.4 MB in the beginning and 24.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 785.28 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 19.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1132.88 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 19.2 MB in the beginning and 26.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.51 ms. Allocated memory is still 60.8 MB. Free memory was 26.2 MB in the beginning and 26.0 MB in the end (delta: 119.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: 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 29, overapproximation of someUnaryDOUBLEoperation at line 183, overapproximation of someBinaryArithmeticDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L128-L131] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L133] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L183] double x = -0.0; [L136] double y, z; [L137] __int32_t i, k, hx; [L138] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L141] ieee_double_shape_type ew_u; [L142] ew_u.value = (x) [L143] EXPR ew_u.parts.msw [L143] (hx) = ew_u.parts.msw [L144] EXPR ew_u.parts.lsw [L144] (lx) = ew_u.parts.lsw [L147] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L148] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L149] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L150] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L184] double res = __ieee754_log10(x); [L21] __int32_t hx, lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L187] COND TRUE !isinf_double(res) [L188] reach_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 59 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=45occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 21:35:49,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:35:49,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:35:49,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:35:49,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:35:49,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:35:49,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:35:49,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:35:49,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:35:49,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:35:49,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:35:49,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:35:49,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:35:49,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:35:49,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:35:49,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:35:49,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:35:49,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:35:49,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:35:49,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:35:49,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:35:49,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:35:49,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:35:49,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:35:49,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:35:49,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:35:49,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:35:49,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:35:49,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:35:49,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:35:49,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:35:49,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:35:49,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:35:49,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:35:49,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:35:49,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:35:49,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:35:49,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:35:49,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:35:49,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:35:49,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:35:49,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 21:35:49,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:35:49,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:35:49,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:35:49,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:35:49,458 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:35:49,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:35:49,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:35:49,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:35:49,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:35:49,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:35:49,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:35:49,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:35:49,460 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 21:35:49,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 21:35:49,461 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:35:49,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:35:49,461 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:35:49,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:35:49,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:35:49,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:35:49,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:35:49,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:35:49,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:35:49,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:35:49,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:35:49,464 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 21:35:49,464 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-02 21:35:49,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:35:49,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:35:49,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 21:35:49,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 411418f84906bedc11fcfc3b7bde3a728b9fa839 [2020-12-02 21:35:49,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:35:49,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:35:49,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:35:49,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:35:49,981 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:35:49,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0960b.c [2020-12-02 21:35:50,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db60ea123/78bf10c1b5ed4ef4a4e4b5559bd80022/FLAG1e7a54a26 [2020-12-02 21:35:50,877 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:35:50,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0960b.c [2020-12-02 21:35:50,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db60ea123/78bf10c1b5ed4ef4a4e4b5559bd80022/FLAG1e7a54a26 [2020-12-02 21:35:51,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db60ea123/78bf10c1b5ed4ef4a4e4b5559bd80022 [2020-12-02 21:35:51,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:35:51,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:35:51,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:35:51,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:35:51,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:35:51,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37543d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51, skipping insertion in model container [2020-12-02 21:35:51,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:35:51,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:35:51,599 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_0960b.c[4845,4858] [2020-12-02 21:35:51,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:35:51,625 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:35:51,691 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_0960b.c[4845,4858] [2020-12-02 21:35:51,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:35:51,751 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:35:51,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51 WrapperNode [2020-12-02 21:35:51,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:35:51,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:35:51,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:35:51,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:35:51,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:35:51,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:35:51,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:35:51,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:35:51,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2020-12-02 21:35:51,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:35:51,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:35:51,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:35:51,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:35:51,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (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 21:35:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 21:35:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 21:35:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 21:35:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:35:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 21:35:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:35:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:35:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 21:35:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:36:29,697 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:36:29,698 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-02 21:36:29,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:29 BoogieIcfgContainer [2020-12-02 21:36:29,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:36:29,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:36:29,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:36:29,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:36:29,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:35:51" (1/3) ... [2020-12-02 21:36:29,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176ee092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:36:29, skipping insertion in model container [2020-12-02 21:36:29,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (2/3) ... [2020-12-02 21:36:29,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176ee092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:36:29, skipping insertion in model container [2020-12-02 21:36:29,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:29" (3/3) ... [2020-12-02 21:36:29,710 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2020-12-02 21:36:29,725 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:36:29,730 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:36:29,742 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:36:29,771 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:36:29,772 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:36:29,772 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:36:29,772 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:36:29,772 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:36:29,772 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:36:29,773 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:36:29,773 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:36:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-12-02 21:36:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 21:36:29,794 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:36:29,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:36:29,795 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:36:29,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:36:29,802 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2020-12-02 21:36:29,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:36:29,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480677031] [2020-12-02 21:36:29,817 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 21:36:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:36:30,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 21:36:30,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:36:31,018 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 21:36:31,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:36:31,035 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 21:36:31,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480677031] [2020-12-02 21:36:31,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:36:31,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 21:36:31,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495706894] [2020-12-02 21:36:31,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:36:31,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:36:31,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:36:31,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:36:31,067 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-12-02 21:36:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:36:31,092 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2020-12-02 21:36:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:36:31,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-02 21:36:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:36:31,104 INFO L225 Difference]: With dead ends: 88 [2020-12-02 21:36:31,104 INFO L226 Difference]: Without dead ends: 42 [2020-12-02 21:36:31,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 21:36:31,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-02 21:36:31,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-12-02 21:36:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-02 21:36:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-12-02 21:36:31,150 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2020-12-02 21:36:31,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:36:31,151 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-12-02 21:36:31,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:36:31,151 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-12-02 21:36:31,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:36:31,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:36:31,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:36:31,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 21:36:31,368 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:36:31,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:36:31,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2020-12-02 21:36:31,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:36:31,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521877839] [2020-12-02 21:36:31,372 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 21:36:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:36:32,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 21:36:32,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:36:32,571 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 21:36:33,129 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-02 21:36:33,192 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:36:33,239 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:33,240 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:36:33,438 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-02 21:36:33,438 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:33,441 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 21:36:33,442 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:24 [2020-12-02 21:36:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:36:34,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:36:35,926 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2020-12-02 21:36:35,983 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:36:36,038 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:36,039 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:36:36,210 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 21:36:36,210 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:36:36,213 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:36:36,213 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:97, output treesize:51 [2020-12-02 21:36:40,449 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|)) (fp.div c_currentRoundingMode (fp.neg c_~two54_log10~0) c_~zero_log10~0))) (not (= (_ bv4294967295 32) (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))))))) is different from false [2020-12-02 21:36:42,652 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|)) (fp.div c_currentRoundingMode (fp.neg c_~two54_log10~0) c_~zero_log10~0))) (not (= (_ bv4294967295 32) (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))))))) is different from true [2020-12-02 21:36:42,698 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 21:36:42,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521877839] [2020-12-02 21:36:42,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:36:42,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-12-02 21:36:42,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225502993] [2020-12-02 21:36:42,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 21:36:42,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:36:42,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 21:36:42,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=128, Unknown=2, NotChecked=22, Total=182 [2020-12-02 21:36:42,706 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 14 states. [2020-12-02 21:36:46,503 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 21:36:49,748 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 21:36:55,662 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 21:36:56,404 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-02 21:36:57,738 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-02 21:37:34,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:34,092 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2020-12-02 21:37:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 21:37:34,103 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2020-12-02 21:37:34,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:34,105 INFO L225 Difference]: With dead ends: 76 [2020-12-02 21:37:34,105 INFO L226 Difference]: Without dead ends: 68 [2020-12-02 21:37:34,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=79, Invalid=229, Unknown=2, NotChecked=32, Total=342 [2020-12-02 21:37:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-12-02 21:37:34,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 42. [2020-12-02 21:37:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-02 21:37:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2020-12-02 21:37:34,123 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 14 [2020-12-02 21:37:34,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:34,123 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2020-12-02 21:37:34,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 21:37:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2020-12-02 21:37:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:37:34,125 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:34,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:34,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 21:37:34,328 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:34,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2124356858, now seen corresponding path program 1 times [2020-12-02 21:37:34,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:34,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375378109] [2020-12-02 21:37:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 21:37:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:34,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 21:37:34,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:34,837 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 21:37:34,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:35,309 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 21:37:35,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375378109] [2020-12-02 21:37:35,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:35,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 21:37:35,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73736607] [2020-12-02 21:37:35,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 21:37:35,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:35,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 21:37:35,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 21:37:35,312 INFO L87 Difference]: Start difference. First operand 42 states and 55 transitions. Second operand 6 states. [2020-12-02 21:37:35,625 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 21:37:38,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:38,712 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2020-12-02 21:37:38,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 21:37:38,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-02 21:37:38,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:38,749 INFO L225 Difference]: With dead ends: 50 [2020-12-02 21:37:38,749 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 21:37:38,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-02 21:37:38,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 21:37:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 21:37:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 21:37:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-12-02 21:37:38,754 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2020-12-02 21:37:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:38,755 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-12-02 21:37:38,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 21:37:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-12-02 21:37:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 21:37:38,756 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:38,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:38,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 21:37:38,957 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:38,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:38,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1233905145, now seen corresponding path program 1 times [2020-12-02 21:37:38,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:38,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486253026] [2020-12-02 21:37:38,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 21:37:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:40,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 21:37:40,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:40,231 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-02 21:37:40,286 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:37:40,332 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:40,333 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:37:40,507 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 21:37:40,508 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:40,512 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:37:40,513 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-12-02 21:37:40,725 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 21:37:40,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:41,012 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2020-12-02 21:37:41,076 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:37:41,131 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:41,132 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:37:41,284 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 21:37:41,284 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:41,286 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 21:37:41,289 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:20 [2020-12-02 21:37:41,559 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 21:37:41,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486253026] [2020-12-02 21:37:41,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:41,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 21:37:41,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241890915] [2020-12-02 21:37:41,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 21:37:41,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:41,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 21:37:41,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 21:37:41,562 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 6 states. [2020-12-02 21:37:41,861 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-02 21:37:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:41,891 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-12-02 21:37:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 21:37:41,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-02 21:37:41,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:41,893 INFO L225 Difference]: With dead ends: 16 [2020-12-02 21:37:41,893 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 21:37:41,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-02 21:37:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 21:37:41,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 21:37:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 21:37:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 21:37:41,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-02 21:37:41,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:41,896 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 21:37:41,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 21:37:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 21:37:41,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 21:37:42,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 21:37:42,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 21:37:42,656 WARN L197 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-02 21:37:42,910 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-02 21:37:43,311 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 21:37:43,674 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 21:37:43,678 INFO L265 CegarLoopResult]: At program point L192(lines 177 193) the Hoare annotation is: true [2020-12-02 21:37:43,678 INFO L262 CegarLoopResult]: For program point L60(lines 60 72) no Hoare annotation was computed. [2020-12-02 21:37:43,679 INFO L262 CegarLoopResult]: For program point L60-1(lines 47 126) no Hoare annotation was computed. [2020-12-02 21:37:43,679 INFO L262 CegarLoopResult]: For program point L151(lines 151 152) no Hoare annotation was computed. [2020-12-02 21:37:43,679 INFO L262 CegarLoopResult]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2020-12-02 21:37:43,679 INFO L258 CegarLoopResult]: At program point L52-2(lines 52 57) the Hoare annotation is: false [2020-12-02 21:37:43,680 INFO L262 CegarLoopResult]: For program point L52-3(lines 52 57) no Hoare annotation was computed. [2020-12-02 21:37:43,680 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 21:37:43,681 INFO L262 CegarLoopResult]: For program point L61(lines 61 62) no Hoare annotation was computed. [2020-12-02 21:37:43,681 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 21:37:43,681 INFO L262 CegarLoopResult]: For program point L86(lines 86 102) no Hoare annotation was computed. [2020-12-02 21:37:43,681 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 83) no Hoare annotation was computed. [2020-12-02 21:37:43,688 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 83) the Hoare annotation is: false [2020-12-02 21:37:43,688 INFO L262 CegarLoopResult]: For program point L78-3(lines 78 83) no Hoare annotation was computed. [2020-12-02 21:37:43,688 INFO L262 CegarLoopResult]: For program point L87(lines 87 94) no Hoare annotation was computed. [2020-12-02 21:37:43,688 INFO L262 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-12-02 21:37:43,688 INFO L262 CegarLoopResult]: For program point L63(lines 63 64) no Hoare annotation was computed. [2020-12-02 21:37:43,688 INFO L262 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2020-12-02 21:37:43,689 INFO L262 CegarLoopResult]: For program point L121(lines 121 124) no Hoare annotation was computed. [2020-12-02 21:37:43,689 INFO L262 CegarLoopResult]: For program point L88(lines 88 93) no Hoare annotation was computed. [2020-12-02 21:37:43,689 INFO L262 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2020-12-02 21:37:43,689 INFO L258 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_isinf_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)))) (= ~zero_log10~0 (_ +zero 11 53)) (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)) |ULTIMATE.start___ieee754_log10_#res|))) [2020-12-02 21:37:43,689 INFO L262 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2020-12-02 21:37:43,689 INFO L262 CegarLoopResult]: For program point L113(lines 113 125) no Hoare annotation was computed. [2020-12-02 21:37:43,690 INFO L258 CegarLoopResult]: At program point L31(lines 20 32) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_isinf_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)))) (= ~zero_log10~0 (_ +zero 11 53)) (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)) |ULTIMATE.start___ieee754_log10_#res|)) (exists ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)))))) [2020-12-02 21:37:43,690 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-02 21:37:43,690 INFO L262 CegarLoopResult]: For program point L155-1(lines 155 159) no Hoare annotation was computed. [2020-12-02 21:37:43,690 INFO L258 CegarLoopResult]: At program point L155-2(lines 155 159) the Hoare annotation is: false [2020-12-02 21:37:43,690 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 21:37:43,690 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2020-12-02 21:37:43,690 INFO L262 CegarLoopResult]: For program point L148(lines 148 160) no Hoare annotation was computed. [2020-12-02 21:37:43,690 INFO L262 CegarLoopResult]: For program point L148-1(lines 135 175) no Hoare annotation was computed. [2020-12-02 21:37:43,691 INFO L262 CegarLoopResult]: For program point L115(lines 115 119) no Hoare annotation was computed. [2020-12-02 21:37:43,691 INFO L262 CegarLoopResult]: For program point L140-1(lines 140 145) no Hoare annotation was computed. [2020-12-02 21:37:43,691 INFO L258 CegarLoopResult]: At program point L140-2(lines 140 145) the Hoare annotation is: (and (= ~zero_log10~0 (_ +zero 11 53)) (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (= (fp.neg (_ +zero 11 53)) ULTIMATE.start___ieee754_log10_~x)) [2020-12-02 21:37:43,691 INFO L262 CegarLoopResult]: For program point L140-3(lines 140 145) no Hoare annotation was computed. [2020-12-02 21:37:43,691 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 21:37:43,691 INFO L258 CegarLoopResult]: At program point L124(lines 47 126) the Hoare annotation is: false [2020-12-02 21:37:43,691 INFO L262 CegarLoopResult]: For program point L149(lines 149 150) no Hoare annotation was computed. [2020-12-02 21:37:43,692 INFO L258 CegarLoopResult]: At program point L174(lines 135 175) the Hoare annotation is: (and (= ~zero_log10~0 (_ +zero 11 53)) (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)) |ULTIMATE.start___ieee754_log10_#res|))) [2020-12-02 21:37:43,692 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-12-02 21:37:43,692 INFO L258 CegarLoopResult]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2020-12-02 21:37:43,692 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 172) no Hoare annotation was computed. [2020-12-02 21:37:43,692 INFO L258 CegarLoopResult]: At program point L167-2(lines 167 172) the Hoare annotation is: false [2020-12-02 21:37:43,692 INFO L262 CegarLoopResult]: For program point L167-3(lines 167 172) no Hoare annotation was computed. [2020-12-02 21:37:43,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:37:43 BoogieIcfgContainer [2020-12-02 21:37:43,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:37:43,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:37:43,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:37:43,732 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:37:43,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:29" (3/4) ... [2020-12-02 21:37:43,736 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 21:37:43,760 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-02 21:37:43,760 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-02 21:37:43,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:37:43,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 21:37:43,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (zero_log10 == ~Pluszero~LONGDOUBLE() && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result) [2020-12-02 21:37:43,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && zero_log10 == ~Pluszero~LONGDOUBLE()) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result) [2020-12-02 21:37:43,800 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && zero_log10 == ~Pluszero~LONGDOUBLE()) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists v_skolemized_q#valueAsBitvector_15 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_15[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_15[31:0])), 31bv32))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_15[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_15[31:0])), 31bv32))), 2146435072bv32))), 31bv32)), 1bv32) == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) [2020-12-02 21:37:43,915 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 21:37:43,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:37:43,917 INFO L168 Benchmark]: Toolchain (without parser) took 112704.50 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 19.8 MB in the beginning and 26.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:43,918 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory is still 22.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:43,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.48 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 19.6 MB in the beginning and 38.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:43,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.97 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 35.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:43,919 INFO L168 Benchmark]: Boogie Preprocessor took 57.39 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 33.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:43,920 INFO L168 Benchmark]: RCFGBuilder took 37777.23 ms. Allocated memory is still 54.5 MB. Free memory was 33.7 MB in the beginning and 29.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:43,920 INFO L168 Benchmark]: TraceAbstraction took 74029.14 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 33.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:43,920 INFO L168 Benchmark]: Witness Printer took 184.26 ms. Allocated memory is still 54.5 MB. Free memory was 33.4 MB in the beginning and 26.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:43,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory is still 22.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.48 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 19.6 MB in the beginning and 38.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.97 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 35.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.39 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 33.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 37777.23 ms. Allocated memory is still 54.5 MB. Free memory was 33.7 MB in the beginning and 29.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 74029.14 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 33.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Witness Printer took 184.26 ms. Allocated memory is still 54.5 MB. Free memory was 33.4 MB in the beginning and 26.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 20]: Loop Invariant [2020-12-02 21:37:43,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2020-12-02 21:37:43,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && zero_log10 == ~Pluszero~LONGDOUBLE()) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result)) && (\exists v_skolemized_q#valueAsBitvector_15 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_15[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_15[31:0])), 31bv32))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_15[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_15[31:0])), 31bv32))), 2146435072bv32))), 31bv32)), 1bv32) == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (zero_log10 == ~Pluszero~LONGDOUBLE() && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant [2020-12-02 21:37:43,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (zero_log10 == ~Pluszero~LONGDOUBLE() && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2020-12-02 21:37:43,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-02 21:37:43,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && zero_log10 == ~Pluszero~LONGDOUBLE()) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 55.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 112 SDtfs, 63 SDslu, 391 SDs, 0 SdLazy, 96 SolverSat, 4 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 48.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 155 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 23 QuantifiedInterpolants, 13497 SizeOfPredicates, 25 NumberOfNonLiveVariables, 275 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...