./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cbb939d5 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_1011b.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 f8f01f5987eb2c4fb8b66f29a3966d897a56af4a ......................................................................................................................................................................................................................................................................................... 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_1011b.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 f8f01f5987eb2c4fb8b66f29a3966d897a56af4a .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-cbb939d [2020-11-23 16:32:59,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 16:32:59,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 16:32:59,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 16:32:59,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 16:32:59,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 16:32:59,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 16:32:59,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 16:32:59,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 16:32:59,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 16:32:59,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 16:32:59,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 16:32:59,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 16:32:59,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 16:32:59,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 16:32:59,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 16:32:59,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 16:32:59,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 16:32:59,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 16:32:59,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 16:32:59,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 16:32:59,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 16:32:59,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 16:32:59,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 16:32:59,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 16:32:59,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 16:32:59,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 16:32:59,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 16:32:59,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 16:32:59,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 16:32:59,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 16:32:59,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 16:32:59,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 16:32:59,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 16:32:59,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 16:32:59,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 16:32:59,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 16:32:59,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 16:32:59,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 16:32:59,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 16:32:59,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 16:32:59,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 16:32:59,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 16:32:59,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 16:32:59,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 16:32:59,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 16:32:59,749 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 16:32:59,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 16:32:59,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 16:32:59,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 16:32:59,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 16:32:59,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 16:32:59,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 16:32:59,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 16:32:59,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 16:32:59,751 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 16:32:59,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 16:32:59,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 16:32:59,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 16:32:59,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 16:32:59,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 16:32:59,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 16:32:59,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 16:32:59,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 16:32:59,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 16:32:59,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 16:32:59,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 16:32:59,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 16:32:59,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 16:32:59,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 16:32:59,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 16:32:59,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-11-23 16:33:00,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 16:33:00,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 16:33:00,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 16:33:00,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 16:33:00,206 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 16:33:00,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-11-23 16:33:00,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48776152/a1411c4894694200aba3c813cfb0e43e/FLAG06c01b4f5 [2020-11-23 16:33:00,956 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 16:33:00,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-11-23 16:33:00,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48776152/a1411c4894694200aba3c813cfb0e43e/FLAG06c01b4f5 [2020-11-23 16:33:01,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48776152/a1411c4894694200aba3c813cfb0e43e [2020-11-23 16:33:01,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 16:33:01,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 16:33:01,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 16:33:01,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 16:33:01,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 16:33:01,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27158d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01, skipping insertion in model container [2020-11-23 16:33:01,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 16:33:01,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 16:33:01,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:33:01,577 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 16:33:01,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:33:01,621 INFO L208 MainTranslator]: Completed translation [2020-11-23 16:33:01,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01 WrapperNode [2020-11-23 16:33:01,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 16:33:01,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 16:33:01,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 16:33:01,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 16:33:01,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 16:33:01,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 16:33:01,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 16:33:01,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 16:33:01,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... [2020-11-23 16:33:01,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 16:33:01,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 16:33:01,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 16:33:01,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 16:33:01,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 16:33:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-23 16:33:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 16:33:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-23 16:33:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-23 16:33:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-23 16:33:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 16:33:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 16:33:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-23 16:33:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-23 16:33:02,111 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 16:33:02,111 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-23 16:33:02,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:02 BoogieIcfgContainer [2020-11-23 16:33:02,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 16:33:02,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 16:33:02,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 16:33:02,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 16:33:02,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:33:01" (1/3) ... [2020-11-23 16:33:02,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc88c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:33:02, skipping insertion in model container [2020-11-23 16:33:02,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:01" (2/3) ... [2020-11-23 16:33:02,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc88c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:33:02, skipping insertion in model container [2020-11-23 16:33:02,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:02" (3/3) ... [2020-11-23 16:33:02,123 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-11-23 16:33:02,143 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 16:33:02,148 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 16:33:02,166 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 16:33:02,217 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 16:33:02,217 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 16:33:02,218 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 16:33:02,218 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 16:33:02,218 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 16:33:02,218 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 16:33:02,218 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 16:33:02,218 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 16:33:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-11-23 16:33:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-23 16:33:02,273 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:33:02,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:33:02,274 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:33:02,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:33:02,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-11-23 16:33:02,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 16:33:02,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075050968] [2020-11-23 16:33:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 16:33:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:33:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:33:02,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075050968] [2020-11-23 16:33:02,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:33:02,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-23 16:33:02,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368861483] [2020-11-23 16:33:02,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-23 16:33:02,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-23 16:33:02,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-23 16:33:02,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 16:33:02,567 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-11-23 16:33:02,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:33:02,587 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-11-23 16:33:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-23 16:33:02,589 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-23 16:33:02,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:33:02,599 INFO L225 Difference]: With dead ends: 37 [2020-11-23 16:33:02,599 INFO L226 Difference]: Without dead ends: 16 [2020-11-23 16:33:02,602 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 [2020-11-23 16:33:02,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-23 16:33:02,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-23 16:33:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-23 16:33:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-23 16:33:02,656 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-11-23 16:33:02,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:33:02,657 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-23 16:33:02,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-23 16:33:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-23 16:33:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-23 16:33:02,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:33:02,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:33:02,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-23 16:33:02,661 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:33:02,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:33:02,666 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-11-23 16:33:02,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 16:33:02,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493994947] [2020-11-23 16:33:02,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 16:33:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 16:33:02,775 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 16:33:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 16:33:02,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 16:33:02,866 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-23 16:33:02,866 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-23 16:33:02,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-23 16:33:02,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:33:02 BoogieIcfgContainer [2020-11-23 16:33:02,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 16:33:02,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 16:33:02,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 16:33:02,901 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 16:33:02,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:02" (3/4) ... [2020-11-23 16:33:02,906 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 16:33:02,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 16:33:02,909 INFO L168 Benchmark]: Toolchain (without parser) took 1579.28 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 22.3 MB in the beginning and 36.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:02,910 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 44.0 MB. Free memory was 25.2 MB in the beginning and 25.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:33:02,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.37 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 20.8 MB in the end (delta: 841.7 kB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:02,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.80 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 19.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:02,913 INFO L168 Benchmark]: Boogie Preprocessor took 45.26 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 19.2 MB in the beginning and 44.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:02,914 INFO L168 Benchmark]: RCFGBuilder took 399.63 ms. Allocated memory is still 58.7 MB. Free memory was 44.1 MB in the beginning and 42.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:02,914 INFO L168 Benchmark]: TraceAbstraction took 785.34 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 36.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:02,915 INFO L168 Benchmark]: Witness Printer took 5.23 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 36.0 MB in the end (delta: 318.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:33:02,920 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 44.0 MB. Free memory was 25.2 MB in the beginning and 25.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 287.37 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 20.8 MB in the end (delta: 841.7 kB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.80 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 19.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.26 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 19.2 MB in the beginning and 44.3 MB in the end (delta: -25.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 399.63 ms. Allocated memory is still 58.7 MB. Free memory was 44.1 MB in the beginning and 42.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 785.34 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 36.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.23 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 36.0 MB in the end (delta: 318.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = -0.0; [L28] __uint32_t high; [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1011b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-cbb939d [2020-11-23 16:33:05,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 16:33:05,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 16:33:05,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 16:33:05,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 16:33:05,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 16:33:05,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 16:33:05,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 16:33:05,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 16:33:05,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 16:33:05,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 16:33:05,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 16:33:05,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 16:33:05,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 16:33:05,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 16:33:05,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 16:33:05,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 16:33:05,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 16:33:05,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 16:33:05,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 16:33:05,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 16:33:05,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 16:33:05,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 16:33:05,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 16:33:05,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 16:33:05,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 16:33:05,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 16:33:05,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 16:33:05,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 16:33:05,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 16:33:05,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 16:33:05,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 16:33:05,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 16:33:05,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 16:33:05,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 16:33:05,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 16:33:05,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 16:33:05,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 16:33:05,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 16:33:05,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 16:33:05,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 16:33:05,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 16:33:05,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 16:33:05,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 16:33:05,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 16:33:05,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 16:33:05,805 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 16:33:05,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 16:33:05,806 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 16:33:05,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 16:33:05,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 16:33:05,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 16:33:05,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 16:33:05,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 16:33:05,807 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 16:33:05,807 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 16:33:05,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 16:33:05,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 16:33:05,808 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 16:33:05,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 16:33:05,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 16:33:05,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 16:33:05,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 16:33:05,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 16:33:05,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 16:33:05,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 16:33:05,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 16:33:05,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 16:33:05,810 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 16:33:05,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 16:33:05,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 16:33:05,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 16:33:05,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 16:33:05,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f01f5987eb2c4fb8b66f29a3966d897a56af4a [2020-11-23 16:33:06,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 16:33:06,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 16:33:06,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 16:33:06,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 16:33:06,368 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 16:33:06,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-11-23 16:33:06,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c4514a7/43a59a21bcfb4a57af288e78b5003ee3/FLAGc521006a4 [2020-11-23 16:33:07,097 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 16:33:07,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1011b.c [2020-11-23 16:33:07,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c4514a7/43a59a21bcfb4a57af288e78b5003ee3/FLAGc521006a4 [2020-11-23 16:33:07,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c4514a7/43a59a21bcfb4a57af288e78b5003ee3 [2020-11-23 16:33:07,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 16:33:07,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 16:33:07,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 16:33:07,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 16:33:07,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 16:33:07,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116a51dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07, skipping insertion in model container [2020-11-23 16:33:07,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 16:33:07,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-23 16:33:07,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:33:07,754 INFO L203 MainTranslator]: Completed pre-run [2020-11-23 16:33:07,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-23 16:33:07,817 INFO L208 MainTranslator]: Completed translation [2020-11-23 16:33:07,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07 WrapperNode [2020-11-23 16:33:07,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 16:33:07,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 16:33:07,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 16:33:07,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 16:33:07,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 16:33:07,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 16:33:07,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 16:33:07,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 16:33:07,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (1/1) ... [2020-11-23 16:33:07,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 16:33:07,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 16:33:07,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 16:33:07,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 16:33:07,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (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 [2020-11-23 16:33:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-23 16:33:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-23 16:33:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-23 16:33:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 16:33:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-23 16:33:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 16:33:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 16:33:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-23 16:33:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-23 16:33:08,492 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 16:33:08,492 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-23 16:33:08,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:08 BoogieIcfgContainer [2020-11-23 16:33:08,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 16:33:08,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 16:33:08,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 16:33:08,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 16:33:08,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:33:07" (1/3) ... [2020-11-23 16:33:08,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566a3511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:33:08, skipping insertion in model container [2020-11-23 16:33:08,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07" (2/3) ... [2020-11-23 16:33:08,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566a3511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:33:08, skipping insertion in model container [2020-11-23 16:33:08,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:08" (3/3) ... [2020-11-23 16:33:08,505 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2020-11-23 16:33:08,525 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 16:33:08,530 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 16:33:08,546 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 16:33:08,578 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 16:33:08,579 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 16:33:08,579 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 16:33:08,579 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 16:33:08,579 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 16:33:08,579 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 16:33:08,580 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 16:33:08,580 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 16:33:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-11-23 16:33:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-23 16:33:08,604 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:33:08,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:33:08,606 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:33:08,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:33:08,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-11-23 16:33:08,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:33:08,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578402382] [2020-11-23 16:33:08,633 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 [2020-11-23 16:33:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:33:08,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-23 16:33:08,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:33:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:33:08,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:33:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:33:08,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578402382] [2020-11-23 16:33:08,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:33:08,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-23 16:33:08,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529138177] [2020-11-23 16:33:08,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-23 16:33:08,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:33:08,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-23 16:33:08,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-23 16:33:08,833 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-11-23 16:33:08,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:33:08,855 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-11-23 16:33:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-23 16:33:08,856 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-23 16:33:08,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:33:08,867 INFO L225 Difference]: With dead ends: 37 [2020-11-23 16:33:08,867 INFO L226 Difference]: Without dead ends: 16 [2020-11-23 16:33:08,871 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 [2020-11-23 16:33:08,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-23 16:33:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-23 16:33:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-23 16:33:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-23 16:33:08,912 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-11-23 16:33:08,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:33:08,913 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-23 16:33:08,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-23 16:33:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-23 16:33:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-23 16:33:08,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:33:08,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:33:09,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-23 16:33:09,129 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:33:09,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:33:09,130 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-11-23 16:33:09,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:33:09,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [666453700] [2020-11-23 16:33:09,132 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 [2020-11-23 16:33:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:33:09,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-23 16:33:09,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:33:09,424 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 [2020-11-23 16:33:09,453 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-23 16:33:09,461 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:09,462 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-23 16:33:09,485 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:09,490 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. [2020-11-23 16:33:09,491 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:92, output treesize:53 [2020-11-23 16:33:09,567 INFO L615 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-23 16:33:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:33:09,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:33:09,659 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 60 treesize of output 54 [2020-11-23 16:33:09,664 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-23 16:33:09,668 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:09,669 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-23 16:33:09,681 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:09,682 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. [2020-11-23 16:33:09,682 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2020-11-23 16:33:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:33:09,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [666453700] [2020-11-23 16:33:09,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:33:09,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2020-11-23 16:33:09,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853354209] [2020-11-23 16:33:09,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-23 16:33:09,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:33:09,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-23 16:33:09,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-23 16:33:09,805 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 10 states. [2020-11-23 16:33:10,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:33:10,236 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-23 16:33:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-23 16:33:10,237 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2020-11-23 16:33:10,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:33:10,238 INFO L225 Difference]: With dead ends: 19 [2020-11-23 16:33:10,238 INFO L226 Difference]: Without dead ends: 16 [2020-11-23 16:33:10,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-23 16:33:10,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-23 16:33:10,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-23 16:33:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-23 16:33:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-11-23 16:33:10,244 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-11-23 16:33:10,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:33:10,245 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-11-23 16:33:10,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-23 16:33:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-11-23 16:33:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-23 16:33:10,245 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 16:33:10,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 16:33:10,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-23 16:33:10,447 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 16:33:10,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 16:33:10,448 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-11-23 16:33:10,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-23 16:33:10,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066339138] [2020-11-23 16:33:10,450 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 [2020-11-23 16:33:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-23 16:33:10,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-23 16:33:10,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-23 16:33:10,616 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 54 treesize of output 48 [2020-11-23 16:33:10,623 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 30 treesize of output 24 [2020-11-23 16:33:10,624 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-23 16:33:10,628 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:10,629 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-23 16:33:10,640 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:10,642 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-23 16:33:10,642 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:35 [2020-11-23 16:33:10,929 INFO L615 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-23 16:33:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:33:11,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-23 16:33:11,359 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 55 treesize of output 49 [2020-11-23 16:33:11,369 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 28 [2020-11-23 16:33:11,370 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-23 16:33:11,374 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:11,375 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-23 16:33:11,390 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-23 16:33:11,392 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-23 16:33:11,392 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2020-11-23 16:33:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-23 16:33:11,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066339138] [2020-11-23 16:33:11,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-23 16:33:11,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-11-23 16:33:11,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777936052] [2020-11-23 16:33:11,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-23 16:33:11,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-23 16:33:11,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-23 16:33:11,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-11-23 16:33:11,604 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2020-11-23 16:33:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-23 16:33:12,575 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-11-23 16:33:12,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-23 16:33:12,576 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2020-11-23 16:33:12,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-23 16:33:12,577 INFO L225 Difference]: With dead ends: 16 [2020-11-23 16:33:12,577 INFO L226 Difference]: Without dead ends: 0 [2020-11-23 16:33:12,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-11-23 16:33:12,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-23 16:33:12,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-23 16:33:12,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-23 16:33:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-23 16:33:12,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-11-23 16:33:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-23 16:33:12,580 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-23 16:33:12,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-23 16:33:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-23 16:33:12,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-23 16:33:12,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-23 16:33:12,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-23 16:33:13,055 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-11-23 16:33:13,391 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2020-11-23 16:33:13,396 INFO L262 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-11-23 16:33:13,397 INFO L258 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse0 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse0) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_fabs_double_#res|)))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start_main_~res~0 (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~x (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse4 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse4) (= (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) ULTIMATE.start_fabs_double_~x)))) |ULTIMATE.start_main_#t~short15|) [2020-11-23 16:33:13,397 INFO L262 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-11-23 16:33:13,398 INFO L258 CegarLoopResult]: At program point L40(lines 27 41) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse0 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse0) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_fabs_double_#res|)))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse2 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse2) (= (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start_fabs_double_~x))))) [2020-11-23 16:33:13,398 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-23 16:33:13,398 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-23 16:33:13,398 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-23 16:33:13,398 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-23 16:33:13,399 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-23 16:33:13,399 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-23 16:33:13,399 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-23 16:33:13,399 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-11-23 16:33:13,399 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-23 16:33:13,399 INFO L262 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-11-23 16:33:13,400 INFO L258 CegarLoopResult]: At program point L29-2(lines 29 33) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) ULTIMATE.start_fabs_double_~x) [2020-11-23 16:33:13,400 INFO L265 CegarLoopResult]: At program point L58(lines 43 59) the Hoare annotation is: true [2020-11-23 16:33:13,400 INFO L258 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3)) (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse1 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse1) (= (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_fabs_double_#res|)))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start_main_~res~0 (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~x (let ((.cse4 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))) (and (= .cse5 (fp.neg (_ +zero 11 53))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) .cse5) (= (let ((.cse6 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) ULTIMATE.start_fabs_double_~x)))) |ULTIMATE.start_main_#t~short15|) [2020-11-23 16:33:13,400 INFO L262 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-11-23 16:33:13,400 INFO L262 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-11-23 16:33:13,401 INFO L262 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-11-23 16:33:13,420 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-23 16:33:13,429 INFO L168 Benchmark]: Toolchain (without parser) took 5953.70 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.2 MB in the beginning and 18.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:13,431 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory was 21.8 MB in the beginning and 21.8 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:33:13,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.93 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 27.1 MB in the end (delta: -543.0 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:13,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.32 ms. Allocated memory is still 50.3 MB. Free memory was 27.1 MB in the beginning and 25.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 16:33:13,440 INFO L168 Benchmark]: Boogie Preprocessor took 38.44 ms. Allocated memory is still 50.3 MB. Free memory was 25.5 MB in the beginning and 24.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:13,441 INFO L168 Benchmark]: RCFGBuilder took 585.25 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 41.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:13,442 INFO L168 Benchmark]: TraceAbstraction took 4928.69 ms. Allocated memory is still 60.8 MB. Free memory was 40.8 MB in the beginning and 18.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-23 16:33:13,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory was 21.8 MB in the beginning and 21.8 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.93 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 27.1 MB in the end (delta: -543.0 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.32 ms. Allocated memory is still 50.3 MB. Free memory was 27.1 MB in the beginning and 25.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.44 ms. Allocated memory is still 50.3 MB. Free memory was 25.5 MB in the beginning and 24.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 585.25 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 41.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4928.69 ms. Allocated memory is still 60.8 MB. Free memory was 40.8 MB in the beginning and 18.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - 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...