./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1011a.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_1011a.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 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 ......................................................................................................................................................................................................................................................................................... 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_1011a.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 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:03:33,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:03:33,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:03:33,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:03:33,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:03:33,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:03:33,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:03:33,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:03:33,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:03:33,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:03:33,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:03:33,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:03:33,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:03:33,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:03:33,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:03:33,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:03:33,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:03:33,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:03:33,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:03:33,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:03:33,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:03:33,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:03:33,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:03:33,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:03:33,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:03:33,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:03:33,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:03:33,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:03:33,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:03:33,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:03:33,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:03:33,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:03:33,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:03:33,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:03:33,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:03:33,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:03:33,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:03:33,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:03:33,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:03:33,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:03:33,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:03:33,203 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 15:03:33,237 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:03:33,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:03:33,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:03:33,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:03:33,244 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:03:33,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:03:33,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:03:33,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:03:33,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:03:33,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:03:33,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:03:33,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:03:33,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:03:33,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:03:33,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:03:33,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:03:33,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:03:33,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:03:33,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:03:33,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:03:33,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:03:33,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:33,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:03:33,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:03:33,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:03:33,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:03:33,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:03:33,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:03:33,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:03:33,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-10-24 15:03:33,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:03:33,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:03:33,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:03:33,781 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:03:33,782 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:03:33,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 15:03:33,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e11e5646d/6f321cc1c85a412ea638ccd6d4f86f7a/FLAG84cf718b9 [2020-10-24 15:03:34,539 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:34,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 15:03:34,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e11e5646d/6f321cc1c85a412ea638ccd6d4f86f7a/FLAG84cf718b9 [2020-10-24 15:03:34,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e11e5646d/6f321cc1c85a412ea638ccd6d4f86f7a [2020-10-24 15:03:34,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:34,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:34,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:34,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:34,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:34,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:34,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdb41e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34, skipping insertion in model container [2020-10-24 15:03:34,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:34,601 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:34,619 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:34,835 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:34,851 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:34,898 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:34,932 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:34,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34 WrapperNode [2020-10-24 15:03:34,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:34,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:34,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:34,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:34,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:34,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:35,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:03:35,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:03:35,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:03:35,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (1/1) ... [2020-10-24 15:03:35,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:03:35,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:03:35,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:03:35,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:03:35,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (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 15:03:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:03:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:03:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:03:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:03:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:03:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:03:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:03:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:03:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:03:35,688 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:03:35,688 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:03:35,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:35 BoogieIcfgContainer [2020-10-24 15:03:35,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:03:35,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:03:35,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:03:35,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:03:35,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:03:34" (1/3) ... [2020-10-24 15:03:35,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32884d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:35, skipping insertion in model container [2020-10-24 15:03:35,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:34" (2/3) ... [2020-10-24 15:03:35,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32884d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:35, skipping insertion in model container [2020-10-24 15:03:35,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:35" (3/3) ... [2020-10-24 15:03:35,704 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-10-24 15:03:35,718 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:03:35,724 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:03:35,739 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:03:35,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:03:35,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:03:35,787 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:03:35,787 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:03:35,787 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:03:35,787 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:03:35,787 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:03:35,788 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:03:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-24 15:03:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 15:03:35,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:35,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:35,821 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:35,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:35,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-24 15:03:35,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:03:35,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627498091] [2020-10-24 15:03:35,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:03:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:36,127 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 15:03:36,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627498091] [2020-10-24 15:03:36,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:36,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:03:36,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433735272] [2020-10-24 15:03:36,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:03:36,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:03:36,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:03:36,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:36,153 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-24 15:03:36,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:36,172 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-24 15:03:36,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:03:36,174 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 15:03:36,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:36,184 INFO L225 Difference]: With dead ends: 37 [2020-10-24 15:03:36,184 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 15:03:36,187 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 15:03:36,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 15:03:36,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 15:03:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 15:03:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-24 15:03:36,239 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-24 15:03:36,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:36,239 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-24 15:03:36,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:03:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-24 15:03:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:03:36,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:36,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:36,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:03:36,243 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:36,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:36,247 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-24 15:03:36,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:03:36,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752743229] [2020-10-24 15:03:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:03:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:03:36,330 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:03:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:03:36,371 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:03:36,401 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:03:36,401 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:03:36,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:03:36,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:03:36 BoogieIcfgContainer [2020-10-24 15:03:36,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:03:36,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:03:36,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:03:36,460 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:03:36,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:35" (3/4) ... [2020-10-24 15:03:36,472 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:03:36,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:03:36,478 INFO L168 Benchmark]: Toolchain (without parser) took 1902.85 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 24.8 MB in the beginning and 33.1 MB in the end (delta: -8.3 MB). Peak memory consumption was 329.0 kB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,480 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 33.6 MB. Free memory was 17.7 MB in the beginning and 17.7 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:36,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.19 ms. Allocated memory is still 41.9 MB. Free memory was 24.2 MB in the beginning and 23.9 MB in the end (delta: 223.7 kB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.57 ms. Allocated memory is still 41.9 MB. Free memory was 23.9 MB in the beginning and 22.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,489 INFO L168 Benchmark]: Boogie Preprocessor took 74.66 ms. Allocated memory is still 41.9 MB. Free memory was 22.3 MB in the beginning and 21.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:36,490 INFO L168 Benchmark]: RCFGBuilder took 611.19 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 20.9 MB in the beginning and 33.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,491 INFO L168 Benchmark]: TraceAbstraction took 760.87 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 33.4 MB in the end (delta: -437.3 kB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:36,492 INFO L168 Benchmark]: Witness Printer took 15.06 ms. Allocated memory is still 50.3 MB. Free memory was 33.4 MB in the beginning and 33.1 MB in the end (delta: 270.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:36,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 33.6 MB. Free memory was 17.7 MB in the beginning and 17.7 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.19 ms. Allocated memory is still 41.9 MB. Free memory was 24.2 MB in the beginning and 23.9 MB in the end (delta: 223.7 kB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.57 ms. Allocated memory is still 41.9 MB. Free memory was 23.9 MB in the beginning and 22.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.66 ms. Allocated memory is still 41.9 MB. Free memory was 22.3 MB in the beginning and 21.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 611.19 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 20.9 MB in the beginning and 33.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 760.87 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 33.4 MB in the end (delta: -437.3 kB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * Witness Printer took 15.06 ms. Allocated memory is still 50.3 MB. Free memory was 33.4 MB in the beginning and 33.1 MB in the end (delta: 270.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 53, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = 0.0; [L28] __uint32_t high; [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1011a.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:03:39,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:03:39,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:03:39,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:03:39,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:03:39,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:03:39,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:03:39,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:03:39,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:03:39,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:03:39,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:03:39,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:03:39,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:03:39,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:03:39,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:03:39,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:03:39,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:03:39,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:03:39,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:03:39,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:03:39,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:03:39,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:03:39,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:03:39,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:03:39,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:03:39,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:03:39,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:03:39,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:03:39,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:03:39,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:03:39,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:03:39,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:03:39,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:03:39,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:03:39,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:03:39,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:03:39,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:03:39,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:03:39,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:03:39,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:03:39,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:03:39,228 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 15:03:39,284 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:03:39,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:03:39,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:03:39,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:03:39,295 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:03:39,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:03:39,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:03:39,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:03:39,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:03:39,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:03:39,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:03:39,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:03:39,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:03:39,298 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:03:39,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:03:39,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:03:39,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:03:39,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:03:39,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:03:39,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:03:39,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:03:39,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:03:39,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:39,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:03:39,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:03:39,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:03:39,301 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:03:39,301 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:03:39,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:03:39,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:03:39,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:03:39,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-10-24 15:03:39,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:03:39,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:03:39,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:03:39,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:03:39,794 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:03:39,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 15:03:39,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/593d8a92c/20b234c5a71f437aa65078f4b573dbc5/FLAGeeb26abfc [2020-10-24 15:03:40,470 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:40,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-24 15:03:40,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/593d8a92c/20b234c5a71f437aa65078f4b573dbc5/FLAGeeb26abfc [2020-10-24 15:03:40,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/593d8a92c/20b234c5a71f437aa65078f4b573dbc5 [2020-10-24 15:03:40,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:40,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:40,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:40,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:40,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:40,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:40" (1/1) ... [2020-10-24 15:03:40,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1111aa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:40, skipping insertion in model container [2020-10-24 15:03:40,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:40" (1/1) ... [2020-10-24 15:03:40,916 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:40,947 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:41,166 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:41,205 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:41,260 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:41,299 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:41,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41 WrapperNode [2020-10-24 15:03:41,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:41,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:41,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:41,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:41,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:41,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:03:41,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:03:41,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:03:41,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:03:41,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:03:41,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:03:41,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:03:41,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (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 15:03:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:03:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 15:03:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 15:03:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:03:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:03:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 15:03:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:03:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:03:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 15:03:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:03:41,966 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:03:41,966 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:03:41,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:41 BoogieIcfgContainer [2020-10-24 15:03:41,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:03:41,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:03:41,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:03:41,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:03:41,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:03:40" (1/3) ... [2020-10-24 15:03:41,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbcb29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:41, skipping insertion in model container [2020-10-24 15:03:41,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (2/3) ... [2020-10-24 15:03:41,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbcb29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:41, skipping insertion in model container [2020-10-24 15:03:41,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:41" (3/3) ... [2020-10-24 15:03:41,979 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-10-24 15:03:41,992 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:03:41,998 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:03:42,017 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:03:42,062 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:03:42,063 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:03:42,063 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:03:42,063 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:03:42,063 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:03:42,063 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:03:42,063 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:03:42,064 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:03:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-24 15:03:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 15:03:42,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:42,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:42,090 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:42,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:42,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-24 15:03:42,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:42,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429494198] [2020-10-24 15:03:42,116 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 15:03:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:42,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 15:03:42,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:42,308 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 15:03:42,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:42,312 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 15:03:42,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429494198] [2020-10-24 15:03:42,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:42,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 15:03:42,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273039273] [2020-10-24 15:03:42,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:03:42,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:42,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:03:42,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:42,340 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-24 15:03:42,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:42,359 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-24 15:03:42,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:03:42,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 15:03:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:42,372 INFO L225 Difference]: With dead ends: 37 [2020-10-24 15:03:42,372 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 15:03:42,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 15:03:42,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 15:03:42,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 15:03:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-24 15:03:42,415 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-24 15:03:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:42,416 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-24 15:03:42,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:03:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-24 15:03:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:03:42,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:42,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:42,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:03:42,631 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:42,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-24 15:03:42,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:42,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656502484] [2020-10-24 15:03:42,635 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 15:03:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:42,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-24 15:03:42,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:42,844 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2020-10-24 15:03:42,854 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:42,860 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:42,861 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:42,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:42,875 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 15:03:42,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:19 [2020-10-24 15:03:42,903 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:03:42,924 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 15:03:42,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:43,018 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2020-10-24 15:03:43,024 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,029 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,029 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,041 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,043 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 15:03:43,043 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:77, output treesize:41 [2020-10-24 15:03:43,121 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 15:03:43,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656502484] [2020-10-24 15:03:43,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:43,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-24 15:03:43,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724816783] [2020-10-24 15:03:43,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 15:03:43,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:43,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 15:03:43,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-24 15:03:43,126 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2020-10-24 15:03:43,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:43,242 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-24 15:03:43,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 15:03:43,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-10-24 15:03:43,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:43,244 INFO L225 Difference]: With dead ends: 19 [2020-10-24 15:03:43,244 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 15:03:43,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-24 15:03:43,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 15:03:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 15:03:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 15:03:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-10-24 15:03:43,250 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-10-24 15:03:43,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:43,251 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-10-24 15:03:43,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 15:03:43,251 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-10-24 15:03:43,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 15:03:43,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:43,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:43,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 15:03:43,468 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:43,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:43,470 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-10-24 15:03:43,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:43,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229593029] [2020-10-24 15:03:43,471 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 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 15:03:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:43,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-24 15:03:43,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:43,597 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2020-10-24 15:03:43,617 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,621 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,621 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:43,624 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:43,626 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-24 15:03:43,626 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:20, output treesize:8 [2020-10-24 15:03:45,680 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) c_ULTIMATE.start_fabs_double_~x)) is different from true [2020-10-24 15:03:47,931 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 9 [2020-10-24 15:03:50,037 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 9 [2020-10-24 15:03:52,056 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) c_ULTIMATE.start___signbit_double_~x)) is different from true [2020-10-24 15:03:56,147 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 15:03:56,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:04:07,340 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 15:04:07,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229593029] [2020-10-24 15:04:07,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:04:07,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-10-24 15:04:07,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515991058] [2020-10-24 15:04:07,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 15:04:07,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:04:07,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 15:04:07,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=105, Unknown=6, NotChecked=42, Total=182 [2020-10-24 15:04:07,344 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2020-10-24 15:04:15,651 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2020-10-24 15:04:18,056 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-10-24 15:04:27,474 WARN L193 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-24 15:04:34,126 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-10-24 15:04:40,534 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-10-24 15:04:40,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:04:40,555 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-10-24 15:04:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 15:04:40,556 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-10-24 15:04:40,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:04:40,556 INFO L225 Difference]: With dead ends: 16 [2020-10-24 15:04:40,557 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:04:40,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 56.5s TimeCoverageRelationStatistics Valid=84, Invalid=216, Unknown=14, NotChecked=66, Total=380 [2020-10-24 15:04:40,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:04:40,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:04:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:04:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:04:40,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-24 15:04:40,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:04:40,559 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:04:40,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 15:04:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:04:40,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:04:40,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 15:04:40,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:04:41,196 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-10-24 15:04:41,551 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-24 15:04:41,555 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-10-24 15:04:41,555 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start_main_~res~0)) (= (fp ((_ extract 63 63) ULTIMATE.start_fabs_double_~x) ((_ extract 62 52) ULTIMATE.start_fabs_double_~x) ((_ extract 51 0) ULTIMATE.start_fabs_double_~x)) (_ +zero 11 53)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |ULTIMATE.start_fabs_double_#res|) ((_ extract 62 52) |ULTIMATE.start_fabs_double_#res|) ((_ extract 51 0) |ULTIMATE.start_fabs_double_#res|))) (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) ULTIMATE.start_fabs_double_~x)) (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start___signbit_double_~x))) [2020-10-24 15:04:41,556 INFO L274 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-10-24 15:04:41,556 INFO L270 CegarLoopResult]: At program point L40(lines 27 41) the Hoare annotation is: (and (= (fp ((_ extract 63 63) ULTIMATE.start_fabs_double_~x) ((_ extract 62 52) ULTIMATE.start_fabs_double_~x) ((_ extract 51 0) ULTIMATE.start_fabs_double_~x)) (_ +zero 11 53)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |ULTIMATE.start_fabs_double_#res|) ((_ extract 62 52) |ULTIMATE.start_fabs_double_#res|) ((_ extract 51 0) |ULTIMATE.start_fabs_double_#res|))) (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) ULTIMATE.start_fabs_double_~x))) [2020-10-24 15:04:41,556 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 15:04:41,556 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 15:04:41,556 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:04:41,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:04:41,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:04:41,556 INFO L277 CegarLoopResult]: At program point L57(lines 43 58) the Hoare annotation is: true [2020-10-24 15:04:41,557 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 15:04:41,557 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-24 15:04:41,557 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-10-24 15:04:41,557 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:04:41,557 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-10-24 15:04:41,557 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 33) the Hoare annotation is: (= (fp ((_ extract 63 63) ULTIMATE.start_fabs_double_~x) ((_ extract 62 52) ULTIMATE.start_fabs_double_~x) ((_ extract 51 0) ULTIMATE.start_fabs_double_~x)) (_ +zero 11 53)) [2020-10-24 15:04:41,558 INFO L270 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10)) ULTIMATE.start_main_~res~0)) (= (fp ((_ extract 63 63) ULTIMATE.start_fabs_double_~x) ((_ extract 62 52) ULTIMATE.start_fabs_double_~x) ((_ extract 51 0) ULTIMATE.start_fabs_double_~x)) (_ +zero 11 53)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |ULTIMATE.start_fabs_double_#res|) ((_ extract 62 52) |ULTIMATE.start_fabs_double_#res|) ((_ extract 51 0) |ULTIMATE.start_fabs_double_#res|))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) ULTIMATE.start_fabs_double_~x)) (exists ((v_ULTIMATE.start_fabs_double_~x_10 (_ BitVec 64)) (ULTIMATE.start_fabs_double_~high~0 (_ BitVec 32))) (= ((_ extract 63 32) (concat (bvand (_ bv2147483647 32) ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) v_ULTIMATE.start_fabs_double_~x_10))) ULTIMATE.start___signbit_double_~msw~0)) (= (bvand (_ bv2147483648 32) ((_ extract 63 32) ULTIMATE.start___signbit_double_~x)) (_ bv0 32))) [2020-10-24 15:04:41,558 INFO L274 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-10-24 15:04:41,558 INFO L274 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-10-24 15:04:41,558 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-10-24 15:04:41,573 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 15:04:41,578 INFO L168 Benchmark]: Toolchain (without parser) took 60703.76 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 20.9 MB in the beginning and 22.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:41,579 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:41,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.22 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 28.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:41,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.16 ms. Allocated memory is still 44.0 MB. Free memory was 28.1 MB in the beginning and 26.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:41,581 INFO L168 Benchmark]: Boogie Preprocessor took 38.35 ms. Allocated memory is still 44.0 MB. Free memory was 26.5 MB in the beginning and 25.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:41,582 INFO L168 Benchmark]: RCFGBuilder took 578.55 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.9 MB in the beginning and 29.1 MB in the end (delta: -4.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:41,583 INFO L168 Benchmark]: TraceAbstraction took 59604.25 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.8 MB in the beginning and 22.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:41,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.22 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 28.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.16 ms. Allocated memory is still 44.0 MB. Free memory was 28.1 MB in the beginning and 26.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.35 ms. Allocated memory is still 44.0 MB. Free memory was 26.5 MB in the beginning and 25.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 578.55 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 24.9 MB in the beginning and 29.1 MB in the end (delta: -4.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 59604.25 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.8 MB in the beginning and 22.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * 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: 29]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(x[63:63], x[62:52], x[51:0]) == ~Pluszero~LONGDOUBLE() - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...