./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1071.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1071.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 47ecd0c3a9cbb067bdc3246482dd87f3fbac8a0c .............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1071.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 47ecd0c3a9cbb067bdc3246482dd87f3fbac8a0c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:04:23,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:04:23,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:04:23,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:04:24,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:04:24,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:04:24,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:04:24,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:04:24,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:04:24,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:04:24,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:04:24,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:04:24,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:04:24,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:04:24,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:04:24,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:04:24,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:04:24,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:04:24,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:04:24,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:04:24,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:04:24,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:04:24,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:04:24,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:04:24,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:04:24,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:04:24,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:04:24,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:04:24,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:04:24,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:04:24,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:04:24,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:04:24,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:04:24,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:04:24,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:04:24,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:04:24,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:04:24,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:04:24,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:04:24,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:04:24,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:04:24,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:04:24,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:04:24,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:04:24,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:04:24,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:04:24,164 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:04:24,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:04:24,165 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:04:24,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:04:24,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:04:24,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:04:24,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:04:24,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:04:24,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:04:24,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:04:24,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:04:24,168 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:04:24,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:04:24,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:04:24,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:04:24,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:04:24,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:04:24,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:04:24,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:04:24,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:04:24,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:04:24,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:04:24,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:04:24,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:04:24,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:04:24,172 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47ecd0c3a9cbb067bdc3246482dd87f3fbac8a0c [2020-10-24 15:04:24,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:04:24,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:04:24,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:04:24,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:04:24,595 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:04:24,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2020-10-24 15:04:24,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7a764a89/c4a0b421e6f649e79d636ddc12b00676/FLAG7bd706b00 [2020-10-24 15:04:25,347 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:04:25,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2020-10-24 15:04:25,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7a764a89/c4a0b421e6f649e79d636ddc12b00676/FLAG7bd706b00 [2020-10-24 15:04:25,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7a764a89/c4a0b421e6f649e79d636ddc12b00676 [2020-10-24 15:04:25,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:04:25,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:04:25,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:25,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:04:25,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:04:25,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:25" (1/1) ... [2020-10-24 15:04:25,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448297ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:25, skipping insertion in model container [2020-10-24 15:04:25,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:25" (1/1) ... [2020-10-24 15:04:25,663 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:04:25,688 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:04:25,941 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:25,951 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:04:25,983 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:26,001 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:04:26,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26 WrapperNode [2020-10-24 15:04:26,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:26,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:26,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:04:26,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:04:26,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:26,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:04:26,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:04:26,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:04:26,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... [2020-10-24 15:04:26,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:04:26,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:04:26,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:04:26,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:04:26,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:04:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:04:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:04:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:04:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:04:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:04:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:04:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:04:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:04:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:04:26,748 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:04:26,749 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 15:04:26,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:26 BoogieIcfgContainer [2020-10-24 15:04:26,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:04:26,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:04:26,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:04:26,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:04:26,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:04:25" (1/3) ... [2020-10-24 15:04:26,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c46fd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:26, skipping insertion in model container [2020-10-24 15:04:26,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:26" (2/3) ... [2020-10-24 15:04:26,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c46fd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:26, skipping insertion in model container [2020-10-24 15:04:26,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:26" (3/3) ... [2020-10-24 15:04:26,761 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071.c [2020-10-24 15:04:26,775 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:04:26,781 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:04:26,796 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:04:26,825 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:04:26,826 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:04:26,826 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:04:26,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:04:26,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:04:26,827 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:04:26,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:04:26,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:04:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-24 15:04:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:04:26,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:26,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:26,850 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:26,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:26,857 INFO L82 PathProgramCache]: Analyzing trace with hash 166132434, now seen corresponding path program 1 times [2020-10-24 15:04:26,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:04:26,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095590357] [2020-10-24 15:04:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:04:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:04:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:04:27,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095590357] [2020-10-24 15:04:27,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:04:27,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:04:27,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394879234] [2020-10-24 15:04:27,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:04:27,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:04:27,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:04:27,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:04:27,063 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2020-10-24 15:04:27,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:04:27,084 INFO L93 Difference]: Finished difference Result 47 states and 71 transitions. [2020-10-24 15:04:27,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:04:27,086 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:04:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:04:27,099 INFO L225 Difference]: With dead ends: 47 [2020-10-24 15:04:27,107 INFO L226 Difference]: Without dead ends: 21 [2020-10-24 15:04:27,111 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 [2020-10-24 15:04:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-24 15:04:27,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-24 15:04:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-24 15:04:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2020-10-24 15:04:27,154 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 11 [2020-10-24 15:04:27,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:04:27,155 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2020-10-24 15:04:27,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:04:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2020-10-24 15:04:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:04:27,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:27,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:27,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:04:27,157 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:27,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:27,159 INFO L82 PathProgramCache]: Analyzing trace with hash 786053359, now seen corresponding path program 1 times [2020-10-24 15:04:27,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:04:27,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527300028] [2020-10-24 15:04:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:04:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:04:27,230 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:04:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:04:27,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:04:27,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:04:27,302 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:04:27,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:04:27,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:04:27 BoogieIcfgContainer [2020-10-24 15:04:27,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:04:27,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:04:27,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:04:27,335 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:04:27,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:26" (3/4) ... [2020-10-24 15:04:27,340 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:04:27,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:04:27,343 INFO L168 Benchmark]: Toolchain (without parser) took 1708.95 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 26.8 MB in the beginning and 27.2 MB in the end (delta: -349.0 kB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:27,344 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 26.7 MB in the beginning and 26.6 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:27,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.36 ms. Allocated memory is still 44.0 MB. Free memory was 26.2 MB in the beginning and 25.6 MB in the end (delta: 560.7 kB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:27,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.76 ms. Allocated memory is still 44.0 MB. Free memory was 25.6 MB in the beginning and 23.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:27,347 INFO L168 Benchmark]: Boogie Preprocessor took 69.58 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 22.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:27,348 INFO L168 Benchmark]: RCFGBuilder took 608.26 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 36.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:27,349 INFO L168 Benchmark]: TraceAbstraction took 581.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.5 MB in the beginning and 27.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:27,350 INFO L168 Benchmark]: Witness Printer took 5.76 ms. Allocated memory is still 54.5 MB. Free memory was 27.5 MB in the beginning and 27.2 MB in the end (delta: 265.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:27,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 44.0 MB. Free memory was 26.7 MB in the beginning and 26.6 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 359.36 ms. Allocated memory is still 44.0 MB. Free memory was 26.2 MB in the beginning and 25.6 MB in the end (delta: 560.7 kB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.76 ms. Allocated memory is still 44.0 MB. Free memory was 25.6 MB in the beginning and 23.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.58 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 22.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 608.26 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 36.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 581.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.5 MB in the beginning and 27.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.76 ms. Allocated memory is still 54.5 MB. Free memory was 27.5 MB in the beginning and 27.2 MB in the end (delta: 265.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 51, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 17, overapproximation of bitwiseAnd at line 30. Possible FailurePath: [L70] double x = 0.0 / 0.0; [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND FALSE !(exponent_less_1023 < 20) [L49] COND TRUE exponent_less_1023 > 51 [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; [L72] double res = trunc_double(x); [L17] return x != x; [L75] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_1071.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 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=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:04:29,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:04:29,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:04:29,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:04:29,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:04:29,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:04:29,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:04:29,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:04:29,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:04:29,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:04:29,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:04:29,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:04:29,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:04:29,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:04:29,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:04:29,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:04:29,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:04:29,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:04:29,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:04:29,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:04:29,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:04:29,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:04:29,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:04:30,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:04:30,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:04:30,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:04:30,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:04:30,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:04:30,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:04:30,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:04:30,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:04:30,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:04:30,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:04:30,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:04:30,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:04:30,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:04:30,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:04:30,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:04:30,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:04:30,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:04:30,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:04:30,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:04:30,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:04:30,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:04:30,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:04:30,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:04:30,084 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:04:30,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:04:30,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:04:30,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:04:30,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:04:30,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:04:30,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:04:30,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:04:30,087 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:04:30,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:04:30,087 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:04:30,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:04:30,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:04:30,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:04:30,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:04:30,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:04:30,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:04:30,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:04:30,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:04:30,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:04:30,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:04:30,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:04:30,091 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:04:30,091 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:04:30,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:04:30,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:04:30,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:04:30,092 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47ecd0c3a9cbb067bdc3246482dd87f3fbac8a0c [2020-10-24 15:04:30,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:04:30,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:04:30,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:04:30,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:04:30,545 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:04:30,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2020-10-24 15:04:30,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46d8390c7/e78d9fb508d6408bb6a319a6a8fc9e11/FLAG9d7221d7f [2020-10-24 15:04:31,188 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:04:31,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2020-10-24 15:04:31,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46d8390c7/e78d9fb508d6408bb6a319a6a8fc9e11/FLAG9d7221d7f [2020-10-24 15:04:31,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46d8390c7/e78d9fb508d6408bb6a319a6a8fc9e11 [2020-10-24 15:04:31,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:04:31,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:04:31,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:31,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:04:31,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:04:31,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:31,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aaed687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31, skipping insertion in model container [2020-10-24 15:04:31,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:31,555 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:04:31,579 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:04:31,869 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:31,906 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:04:31,946 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:31,974 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:04:31,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31 WrapperNode [2020-10-24 15:04:31,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:31,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:31,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:04:31,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:04:31,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:31,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:32,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:04:32,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:04:32,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:04:32,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... [2020-10-24 15:04:32,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:04:32,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:04:32,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:04:32,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:04:32,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:04:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:04:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 15:04:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 15:04:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:04:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:04:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 15:04:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:04:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:04:32,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 15:04:32,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:04:32,886 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:04:32,887 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-24 15:04:32,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:32 BoogieIcfgContainer [2020-10-24 15:04:32,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:04:32,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:04:32,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:04:32,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:04:32,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:04:31" (1/3) ... [2020-10-24 15:04:32,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd8c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:32, skipping insertion in model container [2020-10-24 15:04:32,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:31" (2/3) ... [2020-10-24 15:04:32,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd8c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:32, skipping insertion in model container [2020-10-24 15:04:32,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:32" (3/3) ... [2020-10-24 15:04:32,904 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071.c [2020-10-24 15:04:32,917 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:04:32,923 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:04:32,937 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:04:32,964 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:04:32,965 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:04:32,965 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:04:32,965 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:04:32,965 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:04:32,965 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:04:32,965 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:04:32,966 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:04:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-24 15:04:32,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:04:32,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:32,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:32,988 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:32,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:32,994 INFO L82 PathProgramCache]: Analyzing trace with hash 166132434, now seen corresponding path program 1 times [2020-10-24 15:04:33,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:04:33,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813872639] [2020-10-24 15:04:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:04:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:04:34,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 15:04:34,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:04:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:04:34,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:04:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:04:34,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813872639] [2020-10-24 15:04:34,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:04:34,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 15:04:34,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139466955] [2020-10-24 15:04:34,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:04:34,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:04:34,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:04:34,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:04:34,084 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2020-10-24 15:04:34,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:04:34,105 INFO L93 Difference]: Finished difference Result 47 states and 71 transitions. [2020-10-24 15:04:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:04:34,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:04:34,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:04:34,117 INFO L225 Difference]: With dead ends: 47 [2020-10-24 15:04:34,117 INFO L226 Difference]: Without dead ends: 21 [2020-10-24 15:04:34,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:04:34,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-24 15:04:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-24 15:04:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-24 15:04:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2020-10-24 15:04:34,160 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 11 [2020-10-24 15:04:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:04:34,160 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2020-10-24 15:04:34,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:04:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2020-10-24 15:04:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:04:34,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:34,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:34,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:04:34,375 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:34,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:34,377 INFO L82 PathProgramCache]: Analyzing trace with hash 786053359, now seen corresponding path program 1 times [2020-10-24 15:04:34,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:04:34,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085601138] [2020-10-24 15:04:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:04:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:04:35,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-24 15:04:35,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:04:42,472 WARN L193 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-24 15:04:44,670 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) c_ULTIMATE.start_trunc_double_~x)) (exists ((|v_ULTIMATE.start_main_#t~nondet18_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet19_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet19_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet19_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet19_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (_ +zero 11 53) .cse1) (= (fp.div c_~CRM .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start_trunc_double_~x) ((_ extract 62 52) c_ULTIMATE.start_trunc_double_~x) ((_ extract 51 0) c_ULTIMATE.start_trunc_double_~x)))))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-10-24 15:04:55,921 WARN L193 SmtUtils]: Spent 7.21 s on a formula simplification that was a NOOP. DAG size: 35 [2020-10-24 15:05:08,972 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-24 15:05:09,005 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:05:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:05:21,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:05:46,333 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-10-24 15:05:51,661 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-10-24 15:05:55,518 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-10-24 15:05:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:05:56,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085601138] [2020-10-24 15:05:56,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:56,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-10-24 15:05:56,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507595706] [2020-10-24 15:05:56,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 15:05:56,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:05:56,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 15:05:56,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=135, Unknown=12, NotChecked=24, Total=210 [2020-10-24 15:05:56,503 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand 15 states. [2020-10-24 15:06:06,160 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_trunc_double_~msw~0 ((_ extract 63 32) c_ULTIMATE.start_trunc_double_~x)) (or (forall ((|v_ULTIMATE.start_trunc_double_#res_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_trunc_double_#res_6|) ((_ extract 62 52) |v_ULTIMATE.start_trunc_double_#res_6|) ((_ extract 51 0) |v_ULTIMATE.start_trunc_double_#res_6|)))) (or (not (= (let ((.cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_trunc_double_~x) ((_ extract 62 52) c_ULTIMATE.start_trunc_double_~x) ((_ extract 51 0) c_ULTIMATE.start_trunc_double_~x)))) (fp.add c_~CRM .cse0 .cse0)) .cse1)) (not (fp.eq .cse1 .cse1))))) (not (= (bvadd (bvashr (bvand (_ bv2146435072 32) c_ULTIMATE.start_trunc_double_~msw~0) (_ bv20 32)) (_ bv4294965249 32)) (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_#t~nondet18_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet19_6| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet19_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet19_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet19_6|)))) (and (= .cse2 (_ +zero 11 53)) (= (_ +zero 11 53) .cse3) (= (fp.div c_~CRM .cse2 .cse3) (fp ((_ extract 63 63) c_ULTIMATE.start_trunc_double_~x) ((_ extract 62 52) c_ULTIMATE.start_trunc_double_~x) ((_ extract 51 0) c_ULTIMATE.start_trunc_double_~x)))))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-10-24 15:06:20,062 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-10-24 15:06:21,170 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-10-24 15:06:21,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:06:21,173 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2020-10-24 15:06:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-24 15:06:21,173 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 12 [2020-10-24 15:06:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:06:21,174 INFO L225 Difference]: With dead ends: 24 [2020-10-24 15:06:21,174 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:06:21,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 84.9s TimeCoverageRelationStatistics Valid=56, Invalid=179, Unknown=13, NotChecked=58, Total=306 [2020-10-24 15:06:21,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:06:21,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:06:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:06:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:06:21,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-24 15:06:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:06:21,178 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:06:21,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 15:06:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:06:21,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:06:21,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 15:06:21,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:06:30,106 WARN L193 SmtUtils]: Spent 8.62 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-24 15:06:30,287 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-10-24 15:06:30,404 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 15:06:30,404 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 15:06:30,404 INFO L274 CegarLoopResult]: For program point L32(lines 32 60) no Hoare annotation was computed. [2020-10-24 15:06:30,404 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:06:30,405 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:06:30,405 INFO L270 CegarLoopResult]: At program point L61(lines 19 62) the Hoare annotation is: (not (let ((.cse0 (fp ((_ extract 63 63) |ULTIMATE.start_trunc_double_#res|) ((_ extract 62 52) |ULTIMATE.start_trunc_double_#res|) ((_ extract 51 0) |ULTIMATE.start_trunc_double_#res|)))) (fp.eq .cse0 .cse0))) [2020-10-24 15:06:30,405 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:06:30,405 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 15:06:30,405 INFO L274 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2020-10-24 15:06:30,406 INFO L270 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_#t~nondet18_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet19_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet19_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet19_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet19_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (_ +zero 11 53) .cse1) (= (fp.div ~CRM .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_trunc_double_~x) ((_ extract 62 52) ULTIMATE.start_trunc_double_~x) ((_ extract 51 0) ULTIMATE.start_trunc_double_~x)))))) (= roundNearestTiesToEven ~CRM)) [2020-10-24 15:06:30,406 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2020-10-24 15:06:30,406 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-10-24 15:06:30,406 INFO L274 CegarLoopResult]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2020-10-24 15:06:30,406 INFO L270 CegarLoopResult]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2020-10-24 15:06:30,407 INFO L274 CegarLoopResult]: For program point L33(lines 33 48) no Hoare annotation was computed. [2020-10-24 15:06:30,407 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:06:30,407 INFO L274 CegarLoopResult]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2020-10-24 15:06:30,407 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2020-10-24 15:06:30,407 INFO L274 CegarLoopResult]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2020-10-24 15:06:30,407 INFO L274 CegarLoopResult]: For program point L50(lines 50 52) no Hoare annotation was computed. [2020-10-24 15:06:30,408 INFO L270 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (not (let ((.cse0 (fp ((_ extract 63 63) |ULTIMATE.start_trunc_double_#res|) ((_ extract 62 52) |ULTIMATE.start_trunc_double_#res|) ((_ extract 51 0) |ULTIMATE.start_trunc_double_#res|)))) (fp.eq .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-10-24 15:06:30,408 INFO L274 CegarLoopResult]: For program point L75(lines 75 78) no Hoare annotation was computed. [2020-10-24 15:06:30,408 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-10-24 15:06:30,408 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2020-10-24 15:06:30,409 INFO L277 CegarLoopResult]: At program point L80(lines 64 81) the Hoare annotation is: true [2020-10-24 15:06:30,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,421 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:06:30,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:06:30,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:06:30,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,432 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,434 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:06:30,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:06:30,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:06:30,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:06:30 BoogieIcfgContainer [2020-10-24 15:06:30,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:06:30,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:06:30,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:06:30,441 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:06:30,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:32" (3/4) ... [2020-10-24 15:06:30,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 15:06:30,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-24 15:06:30,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-24 15:06:30,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-24 15:06:30,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:06:30,496 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_main_#t~nondet18_6 : bv64, v_ULTIMATE.start_main_#t~nondet19_6 : bv64 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet18_6[63:63], v_ULTIMATE.start_main_#t~nondet18_6[62:52], v_ULTIMATE.start_main_#t~nondet18_6[51:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet19_6[63:63], v_ULTIMATE.start_main_#t~nondet19_6[62:52], v_ULTIMATE.start_main_#t~nondet19_6[51:0])) && ~fp.div~DOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet18_6[63:63], v_ULTIMATE.start_main_#t~nondet18_6[62:52], v_ULTIMATE.start_main_#t~nondet18_6[51:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet19_6[63:63], v_ULTIMATE.start_main_#t~nondet19_6[62:52], v_ULTIMATE.start_main_#t~nondet19_6[51:0])) == ~fp~LONGDOUBLE(x[63:63], x[62:52], x[51:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown [2020-10-24 15:06:30,497 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !~fp.eq~DOUBLE(~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0]), ~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0])) [2020-10-24 15:06:30,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !~fp.eq~DOUBLE(~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0]), ~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0])) && 1bv32 == \result [2020-10-24 15:06:30,528 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 15:06:30,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:06:30,531 INFO L168 Benchmark]: Toolchain (without parser) took 119007.08 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 29.3 MB in the beginning and 30.3 MB in the end (delta: -1.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:06:30,531 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 46.1 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:06:30,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.38 ms. Allocated memory is still 46.1 MB. Free memory was 28.6 MB in the beginning and 27.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:06:30,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.00 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 25.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:06:30,533 INFO L168 Benchmark]: Boogie Preprocessor took 42.77 ms. Allocated memory is still 46.1 MB. Free memory was 25.2 MB in the beginning and 23.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:06:30,534 INFO L168 Benchmark]: RCFGBuilder took 810.63 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 26.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:06:30,535 INFO L168 Benchmark]: TraceAbstraction took 117543.78 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 34.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:06:30,536 INFO L168 Benchmark]: Witness Printer took 88.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 30.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:06:30,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 46.1 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.38 ms. Allocated memory is still 46.1 MB. Free memory was 28.6 MB in the beginning and 27.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.00 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 25.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.77 ms. Allocated memory is still 46.1 MB. Free memory was 25.2 MB in the beginning and 23.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 810.63 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 26.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 117543.78 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 34.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Witness Printer took 88.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 30.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM - GenericResult: Unfinished Backtranslation unknown boogie variable ~CRM * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant [2020-10-24 15:06:30,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:06:30,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:06:30,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:06:30,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet18_6,QUANTIFIED] [2020-10-24 15:06:30,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet19_6,QUANTIFIED] [2020-10-24 15:06:30,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 15:06:30,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM [2020-10-24 15:06:30,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~CRM Derived loop invariant: (\exists v_ULTIMATE.start_main_#t~nondet18_6 : bv64, v_ULTIMATE.start_main_#t~nondet19_6 : bv64 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet18_6[63:63], v_ULTIMATE.start_main_#t~nondet18_6[62:52], v_ULTIMATE.start_main_#t~nondet18_6[51:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet19_6[63:63], v_ULTIMATE.start_main_#t~nondet19_6[62:52], v_ULTIMATE.start_main_#t~nondet19_6[51:0])) && ~fp.div~DOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet18_6[63:63], v_ULTIMATE.start_main_#t~nondet18_6[62:52], v_ULTIMATE.start_main_#t~nondet18_6[51:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet19_6[63:63], v_ULTIMATE.start_main_#t~nondet19_6[62:52], v_ULTIMATE.start_main_#t~nondet19_6[51:0])) == ~fp~LONGDOUBLE(x[63:63], x[62:52], x[51:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: !~fp.eq~DOUBLE(~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0]), ~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0])) && 1bv32 == \result - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: !~fp.eq~DOUBLE(~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0]), ~fp~LONGDOUBLE(\result[63:63], \result[62:52], \result[51:0])) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 108.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 11 SDslu, 4 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 84.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 88 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 81.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 42 ConstructedInterpolants, 13 QuantifiedInterpolants, 8373 SizeOfPredicates, 11 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...