./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 0.2.0-2880296 [2020-12-02 15:29:15,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:29:15,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:29:15,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:29:15,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:29:15,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:29:15,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:29:15,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:29:15,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:29:15,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:29:15,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:29:15,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:29:15,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:29:15,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:29:15,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:29:15,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:29:15,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:29:15,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:29:15,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:29:15,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:29:15,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:29:15,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:29:15,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:29:15,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:29:15,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:29:15,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:29:15,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:29:15,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:29:15,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:29:15,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:29:15,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:29:15,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:29:15,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:29:15,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:29:15,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:29:15,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:29:15,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:29:15,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:29:15,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:29:15,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:29:15,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:29:15,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:29:15,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:29:15,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:29:15,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:29:15,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:29:15,401 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:29:15,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:29:15,402 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:29:15,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:29:15,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:29:15,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:29:15,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:29:15,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:29:15,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:29:15,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:29:15,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:29:15,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:29:15,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:29:15,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:29:15,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:29:15,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:29:15,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:29:15,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:15,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:29:15,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:29:15,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:29:15,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:29:15,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:29:15,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:29:15,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:29:15,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-12-02 15:29:15,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:29:15,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:29:15,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:29:15,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:29:15,904 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:29:15,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c [2020-12-02 15:29:15,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f94683d3a/3391167a4be4483eb84cc45ac4e44172/FLAG37ca7a7e2 [2020-12-02 15:29:16,767 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:29:16,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c [2020-12-02 15:29:16,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f94683d3a/3391167a4be4483eb84cc45ac4e44172/FLAG37ca7a7e2 [2020-12-02 15:29:17,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f94683d3a/3391167a4be4483eb84cc45ac4e44172 [2020-12-02 15:29:17,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:29:17,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:29:17,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:17,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:29:17,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:29:17,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e051701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17, skipping insertion in model container [2020-12-02 15:29:17,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,175 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:29:17,223 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:29:17,411 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c[1210,1223] [2020-12-02 15:29:17,416 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:17,427 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:29:17,453 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c[1210,1223] [2020-12-02 15:29:17,454 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:17,473 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:29:17,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17 WrapperNode [2020-12-02 15:29:17,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:17,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:17,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:29:17,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:29:17,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:17,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:29:17,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:29:17,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:29:17,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... [2020-12-02 15:29:17,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:29:17,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:29:17,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:29:17,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:29:17,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:29:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:29:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:29:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:29:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:29:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:29:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:29:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:29:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:29:18,026 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:29:18,030 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:29:18,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:18 BoogieIcfgContainer [2020-12-02 15:29:18,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:29:18,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:29:18,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:29:18,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:29:18,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:29:17" (1/3) ... [2020-12-02 15:29:18,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28031910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:18, skipping insertion in model container [2020-12-02 15:29:18,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:17" (2/3) ... [2020-12-02 15:29:18,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28031910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:18, skipping insertion in model container [2020-12-02 15:29:18,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:18" (3/3) ... [2020-12-02 15:29:18,059 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-12-02 15:29:18,113 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:29:18,121 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:29:18,165 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:29:18,234 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:29:18,234 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:29:18,235 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:29:18,235 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:29:18,235 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:29:18,235 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:29:18,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:29:18,236 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:29:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-02 15:29:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:29:18,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:18,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:18,272 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:18,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-12-02 15:29:18,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:29:18,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755077986] [2020-12-02 15:29:18,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:29:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:18,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755077986] [2020-12-02 15:29:18,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:18,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:29:18,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633821947] [2020-12-02 15:29:18,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:29:18,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:29:18,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:29:18,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:18,626 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-12-02 15:29:18,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:18,654 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2020-12-02 15:29:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:29:18,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 15:29:18,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:18,683 INFO L225 Difference]: With dead ends: 36 [2020-12-02 15:29:18,684 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 15:29:18,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:18,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 15:29:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 15:29:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 15:29:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-02 15:29:18,745 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-12-02 15:29:18,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:18,746 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-02 15:29:18,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:29:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-02 15:29:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:29:18,749 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:18,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:18,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:29:18,750 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:18,755 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-12-02 15:29:18,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:29:18,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706995467] [2020-12-02 15:29:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:29:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:18,865 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:18,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:18,988 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:29:18,988 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:29:18,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:29:19,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:29:19 BoogieIcfgContainer [2020-12-02 15:29:19,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:29:19,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:29:19,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:29:19,045 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:29:19,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:18" (3/4) ... [2020-12-02 15:29:19,050 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:29:19,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:29:19,052 INFO L168 Benchmark]: Toolchain (without parser) took 1931.41 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 30.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:19,053 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory is still 23.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:19,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.49 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 30.6 MB in the end (delta: -9.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:19,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.73 ms. Allocated memory is still 54.5 MB. Free memory was 30.6 MB in the beginning and 29.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:19,056 INFO L168 Benchmark]: Boogie Preprocessor took 32.56 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 27.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:19,057 INFO L168 Benchmark]: RCFGBuilder took 478.39 ms. Allocated memory is still 54.5 MB. Free memory was 27.6 MB in the beginning and 24.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:19,058 INFO L168 Benchmark]: TraceAbstraction took 1006.58 ms. Allocated memory is still 54.5 MB. Free memory was 24.5 MB in the beginning and 30.8 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:19,059 INFO L168 Benchmark]: Witness Printer took 5.92 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 30.3 MB in the end (delta: 501.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:19,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory is still 23.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.49 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 30.6 MB in the end (delta: -9.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.73 ms. Allocated memory is still 54.5 MB. Free memory was 30.6 MB in the beginning and 29.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.56 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 27.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 478.39 ms. Allocated memory is still 54.5 MB. Free memory was 27.6 MB in the beginning and 24.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1006.58 ms. Allocated memory is still 54.5 MB. Free memory was 24.5 MB in the beginning and 30.8 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.92 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 30.3 MB in the end (delta: 501.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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) [L54] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, 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=19occurred 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 0.2.0-2880296 [2020-12-02 15:29:21,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:29:21,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:29:21,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:29:21,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:29:21,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:29:21,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:29:21,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:29:21,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:29:21,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:29:21,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:29:21,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:29:21,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:29:21,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:29:21,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:29:21,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:29:21,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:29:21,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:29:21,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:29:21,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:29:21,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:29:21,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:29:21,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:29:21,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:29:21,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:29:21,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:29:21,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:29:21,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:29:21,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:29:21,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:29:21,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:29:21,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:29:21,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:29:21,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:29:21,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:29:21,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:29:21,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:29:21,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:29:21,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:29:21,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:29:21,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:29:21,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:29:22,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:29:22,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:29:22,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:29:22,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:29:22,029 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:29:22,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:29:22,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:29:22,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:29:22,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:29:22,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:29:22,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:29:22,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:29:22,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:29:22,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:29:22,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:29:22,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:29:22,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:29:22,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:29:22,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:29:22,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:29:22,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:29:22,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:29:22,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:22,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:29:22,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:29:22,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:29:22,034 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:29:22,034 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:29:22,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:29:22,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:29:22,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:29:22,035 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-12-02 15:29:22,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:29:22,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:29:22,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:29:22,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:29:22,501 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:29:22,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c [2020-12-02 15:29:22,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4004e0ae7/9c00f3615dae4ed48071664add301482/FLAG2e9c87736 [2020-12-02 15:29:23,335 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:29:23,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c [2020-12-02 15:29:23,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4004e0ae7/9c00f3615dae4ed48071664add301482/FLAG2e9c87736 [2020-12-02 15:29:23,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4004e0ae7/9c00f3615dae4ed48071664add301482 [2020-12-02 15:29:23,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:29:23,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:29:23,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:23,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:29:23,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:29:23,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:23,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b757caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23, skipping insertion in model container [2020-12-02 15:29:23,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:23,656 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:29:23,683 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:29:23,879 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c[1210,1223] [2020-12-02 15:29:23,888 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:23,918 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:29:23,946 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011a.c[1210,1223] [2020-12-02 15:29:23,947 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:29:23,975 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:29:23,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23 WrapperNode [2020-12-02 15:29:23,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:29:23,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:23,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:29:23,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:29:23,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:29:24,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:29:24,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:29:24,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:29:24,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... [2020-12-02 15:29:24,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:29:24,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:29:24,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:29:24,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:29:24,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:29:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:29:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:29:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:29:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:29:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:29:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:29:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:29:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:29:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:29:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:29:24,628 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:29:24,629 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:29:24,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:24 BoogieIcfgContainer [2020-12-02 15:29:24,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:29:24,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:29:24,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:29:24,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:29:24,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:29:23" (1/3) ... [2020-12-02 15:29:24,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c00fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:24, skipping insertion in model container [2020-12-02 15:29:24,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:29:23" (2/3) ... [2020-12-02 15:29:24,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c00fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:29:24, skipping insertion in model container [2020-12-02 15:29:24,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:29:24" (3/3) ... [2020-12-02 15:29:24,648 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-12-02 15:29:24,699 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:29:24,710 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:29:24,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:29:24,797 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:29:24,798 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:29:24,798 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:29:24,798 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:29:24,798 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:29:24,799 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:29:24,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:29:24,799 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:29:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-02 15:29:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:29:24,826 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:24,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:24,828 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:24,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:24,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-12-02 15:29:24,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:24,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672205881] [2020-12-02 15:29:24,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:25,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:29:25,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:25,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:25,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672205881] [2020-12-02 15:29:25,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:25,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:29:25,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189608961] [2020-12-02 15:29:25,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:29:25,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:25,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:29:25,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:29:25,092 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-12-02 15:29:25,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:25,115 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2020-12-02 15:29:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:29:25,117 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 15:29:25,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:25,129 INFO L225 Difference]: With dead ends: 36 [2020-12-02 15:29:25,129 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 15:29:25,134 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 [2020-12-02 15:29:25,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 15:29:25,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 15:29:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 15:29:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-02 15:29:25,178 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-12-02 15:29:25,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:25,178 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-02 15:29:25,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:29:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-02 15:29:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:29:25,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:25,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:25,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:29:25,392 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:25,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:25,395 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-12-02 15:29:25,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:25,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894410341] [2020-12-02 15:29:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:25,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:29:25,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:25,721 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2020-12-02 15:29:25,736 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:29:25,742 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:25,745 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:29:25,756 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:25,763 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 15:29:25,764 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:19 [2020-12-02 15:29:25,809 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:29:25,815 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:29:25,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:29:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:25,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:25,940 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2020-12-02 15:29:25,946 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:29:25,952 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:25,953 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:29:25,966 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:25,968 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 15:29:25,969 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:77, output treesize:41 [2020-12-02 15:29:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:26,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894410341] [2020-12-02 15:29:26,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:26,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-12-02 15:29:26,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234727536] [2020-12-02 15:29:26,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:29:26,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:26,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:29:26,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-12-02 15:29:26,070 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2020-12-02 15:29:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:26,182 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-12-02 15:29:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:29:26,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-12-02 15:29:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:26,184 INFO L225 Difference]: With dead ends: 19 [2020-12-02 15:29:26,184 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 15:29:26,186 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 [2020-12-02 15:29:26,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 15:29:26,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 15:29:26,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 15:29:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-12-02 15:29:26,192 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-12-02 15:29:26,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:26,192 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-12-02 15:29:26,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:29:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-12-02 15:29:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:29:26,194 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:26,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:26,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:29:26,404 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:26,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:26,405 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-12-02 15:29:26,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:26,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458360908] [2020-12-02 15:29:26,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:26,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:29:26,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:26,540 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2020-12-02 15:29:26,544 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:29:26,547 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:26,548 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:29:26,551 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:29:26,553 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 15:29:26,553 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:20, output treesize:8 [2020-12-02 15:29:28,561 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 [2020-12-02 15:29:29,361 WARN L197 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 15:29:34,139 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 15:29:37,999 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 15:29:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:44,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:29:53,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458360908] [2020-12-02 15:29:53,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:53,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-12-02 15:29:53,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764060980] [2020-12-02 15:29:53,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 15:29:53,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:53,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 15:29:53,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=122, Unknown=8, NotChecked=22, Total=182 [2020-12-02 15:29:53,945 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2020-12-02 15:30:02,209 WARN L197 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 15 DAG size of output: 9 [2020-12-02 15:30:10,697 WARN L197 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:30:14,882 WARN L197 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-02 15:30:18,150 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-02 15:30:18,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:30:18,166 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-12-02 15:30:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 15:30:18,168 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2020-12-02 15:30:18,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:30:18,168 INFO L225 Difference]: With dead ends: 16 [2020-12-02 15:30:18,168 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:30:18,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 49.2s TimeCoverageRelationStatistics Valid=90, Invalid=242, Unknown=14, NotChecked=34, Total=380 [2020-12-02 15:30:18,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:30:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:30:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:30:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:30:18,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-02 15:30:18,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:30:18,172 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:30:18,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 15:30:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:30:18,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:30:18,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:30:18,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:30:18,598 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-12-02 15:30:19,038 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-02 15:30:19,041 INFO L262 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-12-02 15:30:19,042 INFO L258 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))) [2020-12-02 15:30:19,042 INFO L262 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-12-02 15:30:19,042 INFO L258 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))) [2020-12-02 15:30:19,042 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:30:19,042 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:30:19,042 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:30:19,043 INFO L265 CegarLoopResult]: At program point L57(lines 43 58) the Hoare annotation is: true [2020-12-02 15:30:19,043 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2020-12-02 15:30:19,043 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-02 15:30:19,044 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-12-02 15:30:19,044 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:30:19,044 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-12-02 15:30:19,044 INFO L258 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)) [2020-12-02 15:30:19,045 INFO L258 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))) (= (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)) (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))) [2020-12-02 15:30:19,045 INFO L262 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-12-02 15:30:19,045 INFO L262 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-12-02 15:30:19,045 INFO L262 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-12-02 15:30:19,045 INFO L262 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-12-02 15:30:19,060 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:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:30:19,065 INFO L168 Benchmark]: Toolchain (without parser) took 55438.43 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 30.3 MB in the beginning and 23.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:19,066 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.2 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:30:19,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.55 ms. Allocated memory is still 46.1 MB. Free memory was 30.1 MB in the beginning and 30.7 MB in the end (delta: -606.1 kB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:19,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 46.1 MB. Free memory was 30.5 MB in the beginning and 29.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:30:19,069 INFO L168 Benchmark]: Boogie Preprocessor took 56.00 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 27.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:19,070 INFO L168 Benchmark]: RCFGBuilder took 536.92 ms. Allocated memory is still 46.1 MB. Free memory was 27.4 MB in the beginning and 20.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:19,071 INFO L168 Benchmark]: TraceAbstraction took 54427.95 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 20.3 MB in the beginning and 23.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:30:19,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.2 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 355.55 ms. Allocated memory is still 46.1 MB. Free memory was 30.1 MB in the beginning and 30.7 MB in the end (delta: -606.1 kB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 46.1 MB. Free memory was 30.5 MB in the beginning and 29.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.00 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 27.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 536.92 ms. Allocated memory is still 46.1 MB. Free memory was 27.4 MB in the beginning and 20.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 54427.95 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 20.3 MB in the beginning and 23.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 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...