./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer --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 b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer --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 b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-69874e2 [2020-12-01 15:50:41,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:50:41,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:50:41,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:50:41,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:50:41,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:50:41,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:50:41,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:50:41,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:50:41,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:50:41,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:50:41,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:50:41,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:50:41,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:50:41,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:50:41,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:50:41,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:50:41,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:50:41,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:50:41,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:50:41,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:50:41,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:50:41,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:50:41,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:50:41,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:50:41,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:50:41,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:50:41,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:50:41,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:50:41,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:50:41,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:50:41,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:50:41,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:50:41,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:50:41,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:50:41,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:50:41,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:50:41,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:50:41,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:50:41,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:50:41,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:50:41,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:50:41,765 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:50:41,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:50:41,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:50:41,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:50:41,771 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:50:41,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:50:41,771 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:50:41,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:50:41,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:50:41,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:50:41,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:50:41,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:50:41,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:50:41,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:50:41,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:50:41,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:50:41,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:50:41,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:50:41,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:50:41,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:50:41,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:50:41,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:50:41,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:50:41,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:50:41,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:50:41,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:50:41,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:50:41,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:50:41,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:50:41,779 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:/tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 [2020-12-01 15:50:42,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:50:42,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:50:42,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:50:42,229 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:50:42,231 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:50:42,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-12-01 15:50:42,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/bab237657/4e5a7cc7bbbf41c3862fdb44e7c57e7f/FLAGbb449abe3 [2020-12-01 15:50:42,934 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:50:42,935 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-12-01 15:50:42,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/bab237657/4e5a7cc7bbbf41c3862fdb44e7c57e7f/FLAGbb449abe3 [2020-12-01 15:50:43,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/bab237657/4e5a7cc7bbbf41c3862fdb44e7c57e7f [2020-12-01 15:50:43,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:50:43,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:50:43,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:43,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:50:43,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:50:43,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23dfdfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43, skipping insertion in model container [2020-12-01 15:50:43,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:50:43,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:50:43,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:43,659 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:50:43,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:43,742 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:50:43,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43 WrapperNode [2020-12-01 15:50:43,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:43,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:43,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:50:43,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:50:43,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:43,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:50:43,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:50:43,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:50:43,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... [2020-12-01 15:50:43,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:50:43,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:50:43,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:50:43,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:50:43,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:50:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:50:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:50:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 15:50:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:50:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 15:50:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:50:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:50:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 15:50:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:50:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:50:44,891 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:50:44,891 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 15:50:44,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:44 BoogieIcfgContainer [2020-12-01 15:50:44,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:50:44,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:50:44,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:50:44,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:50:44,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:50:43" (1/3) ... [2020-12-01 15:50:44,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c90df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:44, skipping insertion in model container [2020-12-01 15:50:44,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:43" (2/3) ... [2020-12-01 15:50:44,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c90df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:44, skipping insertion in model container [2020-12-01 15:50:44,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:44" (3/3) ... [2020-12-01 15:50:44,905 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211b.c [2020-12-01 15:50:44,920 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:50:44,924 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:50:44,936 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:50:44,978 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:50:44,978 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:50:44,978 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:50:44,978 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:50:44,979 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:50:44,979 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:50:44,979 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:50:44,979 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:50:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-12-01 15:50:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 15:50:45,005 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:45,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:45,006 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:50:45,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:45,012 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-12-01 15:50:45,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:45,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214796542] [2020-12-01 15:50:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:45,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214796542] [2020-12-01 15:50:45,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:45,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:50:45,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150178054] [2020-12-01 15:50:45,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:50:45,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:45,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:50:45,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:50:45,251 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-12-01 15:50:45,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:45,282 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-12-01 15:50:45,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:50:45,283 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 15:50:45,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:45,303 INFO L225 Difference]: With dead ends: 103 [2020-12-01 15:50:45,303 INFO L226 Difference]: Without dead ends: 49 [2020-12-01 15:50:45,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:50:45,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-01 15:50:45,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-01 15:50:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-01 15:50:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-12-01 15:50:45,361 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-12-01 15:50:45,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:45,361 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-12-01 15:50:45,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:50:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-12-01 15:50:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 15:50:45,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:45,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:45,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:50:45,364 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:50:45,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:45,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-12-01 15:50:45,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:45,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058743428] [2020-12-01 15:50:45,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:45,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058743428] [2020-12-01 15:50:45,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:45,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:50:45,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405493051] [2020-12-01 15:50:45,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:45,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:50:45,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:45,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:45,509 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-12-01 15:50:45,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:45,536 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2020-12-01 15:50:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:45,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-01 15:50:45,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:45,538 INFO L225 Difference]: With dead ends: 52 [2020-12-01 15:50:45,538 INFO L226 Difference]: Without dead ends: 49 [2020-12-01 15:50:45,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-01 15:50:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-01 15:50:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-01 15:50:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-12-01 15:50:45,544 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2020-12-01 15:50:45,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:45,545 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-12-01 15:50:45,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:45,545 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-12-01 15:50:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 15:50:45,546 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:45,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:45,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:50:45,547 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:50:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash 581418946, now seen corresponding path program 1 times [2020-12-01 15:50:45,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:50:45,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596731941] [2020-12-01 15:50:45,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:50:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:45,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:50:45,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:50:45,861 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:50:45,862 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:50:45,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:50:45,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:50:45 BoogieIcfgContainer [2020-12-01 15:50:45,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:50:45,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:50:45,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:50:45,906 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:50:45,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:44" (3/4) ... [2020-12-01 15:50:45,910 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:50:45,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:50:45,912 INFO L168 Benchmark]: Toolchain (without parser) took 2619.56 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 50.7 MB in the beginning and 62.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:45,913 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:50:45,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.20 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 60.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:45,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.48 ms. Allocated memory is still 86.0 MB. Free memory was 59.8 MB in the beginning and 57.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:45,915 INFO L168 Benchmark]: Boogie Preprocessor took 44.51 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 55.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:45,916 INFO L168 Benchmark]: RCFGBuilder took 1013.44 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 55.2 MB in the beginning and 74.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:45,916 INFO L168 Benchmark]: TraceAbstraction took 1008.11 ms. Allocated memory is still 119.5 MB. Free memory was 74.4 MB in the beginning and 62.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:50:45,917 INFO L168 Benchmark]: Witness Printer took 4.40 ms. Allocated memory is still 119.5 MB. Free memory is still 62.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:50:45,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.20 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 60.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.48 ms. Allocated memory is still 86.0 MB. Free memory was 59.8 MB in the beginning and 57.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.51 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 55.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1013.44 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 55.2 MB in the beginning and 74.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1008.11 ms. Allocated memory is still 119.5 MB. Free memory was 74.4 MB in the beginning and 62.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.40 ms. Allocated memory is still 119.5 MB. Free memory is still 62.9 MB. 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 bitwiseOr at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146, overapproximation of bitwiseAnd at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 151. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = -1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [one_modf=1] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (i1) = ew_u.parts.lsw [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L32] COND TRUE j0 < 20 VAL [one_modf=1] [L33] COND TRUE j0 < 0 VAL [one_modf=1] [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (i0 & 0x80000000) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (*iptr) = iw_u.value [L40] return x; VAL [one_modf=1] [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L114] __int32_t hx, lx; VAL [one_modf=1] [L116] ieee_double_shape_type ew_u; [L117] ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] (lx) = ew_u.parts.lsw [L121] hx &= 0x7fffffff [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L151] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) VAL [one_modf=1] [L151] COND TRUE isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_1211b.c", 3, "reach_error") VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 0.2.0-69874e2 [2020-12-01 15:50:48,550 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-12-01 15:50:48,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:50:48,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:50:48,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:50:48,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:50:48,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:50:48,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:50:48,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:50:48,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:50:48,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:50:48,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:50:48,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:50:48,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:50:48,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:50:48,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:50:48,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:50:48,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:50:48,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 15:50:48,784 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:50:48,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:50:48,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:50:48,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:50:48,790 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:50:48,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:50:48,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:50:48,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:50:48,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:50:48,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:50:48,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:50:48,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:50:48,793 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:50:48,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:50:48,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:50:48,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:50:48,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:50:48,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:50:48,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:50:48,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:50:48,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:50:48,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:50:48,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:50:48,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:50:48,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:50:48,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:50:48,797 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:50:48,797 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:50:48,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:50:48,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:50:48,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:50:48,798 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:/tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a3baf542071d98053e6ea7d2c93dcbd3d31b35 [2020-12-01 15:50:49,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:50:49,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:50:49,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:50:49,297 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:50:49,298 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:50:49,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-12-01 15:50:49,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/afe9463ab/de91b5cf820c43468fa17d541215c8eb/FLAG22af416c6 [2020-12-01 15:50:49,999 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:50:50,000 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2020-12-01 15:50:50,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/afe9463ab/de91b5cf820c43468fa17d541215c8eb/FLAG22af416c6 [2020-12-01 15:50:50,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/data/afe9463ab/de91b5cf820c43468fa17d541215c8eb [2020-12-01 15:50:50,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:50:50,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:50:50,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:50,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:50:50,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:50:50,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8d315d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50, skipping insertion in model container [2020-12-01 15:50:50,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:50:50,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:50:50,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:50,726 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:50:50,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:50:50,816 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:50:50,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50 WrapperNode [2020-12-01 15:50:50,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:50:50,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:50,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:50:50,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:50:50,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:50:50,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:50:50,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:50:50,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:50:50,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:50,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... [2020-12-01 15:50:51,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:50:51,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:50:51,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:50:51,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:50:51,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:50:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 15:50:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 15:50:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:50:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:50:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 15:50:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 15:50:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:50:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:50:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 15:50:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:50:54,293 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:50:54,293 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 15:50:54,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:54 BoogieIcfgContainer [2020-12-01 15:50:54,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:50:54,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:50:54,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:50:54,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:50:54,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:50:50" (1/3) ... [2020-12-01 15:50:54,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bc08ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:54, skipping insertion in model container [2020-12-01 15:50:54,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:50" (2/3) ... [2020-12-01 15:50:54,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bc08ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:54, skipping insertion in model container [2020-12-01 15:50:54,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:54" (3/3) ... [2020-12-01 15:50:54,308 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211b.c [2020-12-01 15:50:54,326 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:50:54,329 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:50:54,337 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:50:54,357 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:50:54,357 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:50:54,357 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:50:54,357 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:50:54,357 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:50:54,358 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:50:54,358 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:50:54,358 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:50:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-12-01 15:50:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 15:50:54,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:54,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:54,378 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:50:54,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:54,384 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-12-01 15:50:54,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:50:54,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394185015] [2020-12-01 15:50:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 15:50:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:54,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 15:50:54,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:54,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:50:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:54,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394185015] [2020-12-01 15:50:54,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:54,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 15:50:54,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726524293] [2020-12-01 15:50:54,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:50:54,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:50:54,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:50:54,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:50:54,678 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-12-01 15:50:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:54,718 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-12-01 15:50:54,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:50:54,720 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-01 15:50:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:54,736 INFO L225 Difference]: With dead ends: 103 [2020-12-01 15:50:54,736 INFO L226 Difference]: Without dead ends: 49 [2020-12-01 15:50:54,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:50:54,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-01 15:50:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-01 15:50:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-01 15:50:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-12-01 15:50:54,793 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-12-01 15:50:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:54,794 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-12-01 15:50:54,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:50:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-12-01 15:50:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 15:50:54,796 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:54,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:55,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:50:55,019 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:50:55,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:55,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-12-01 15:50:55,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:50:55,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782571865] [2020-12-01 15:50:55,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 15:50:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:55,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:50:55,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:55,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:50:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:55,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782571865] [2020-12-01 15:50:55,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:55,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-01 15:50:55,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812783179] [2020-12-01 15:50:55,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-01 15:50:55,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:50:55,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-01 15:50:55,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:50:55,691 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2020-12-01 15:50:57,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:57,440 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2020-12-01 15:50:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:50:57,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-12-01 15:50:57,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:57,442 INFO L225 Difference]: With dead ends: 64 [2020-12-01 15:50:57,442 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:50:57,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-01 15:50:57,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:50:57,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:50:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:50:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-12-01 15:50:57,450 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2020-12-01 15:50:57,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:57,451 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-12-01 15:50:57,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-01 15:50:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-12-01 15:50:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 15:50:57,452 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:57,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:57,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 15:50:57,667 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:50:57,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:57,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1408426499, now seen corresponding path program 1 times [2020-12-01 15:50:57,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:50:57,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416079111] [2020-12-01 15:50:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-01 15:50:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:58,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:50:58,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:58,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:50:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:58,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416079111] [2020-12-01 15:50:58,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:58,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-01 15:50:58,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709084714] [2020-12-01 15:50:58,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:50:58,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:50:58,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:50:58,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:58,145 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 3 states. [2020-12-01 15:50:58,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:50:58,175 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-12-01 15:50:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:50:58,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-01 15:50:58,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:50:58,176 INFO L225 Difference]: With dead ends: 30 [2020-12-01 15:50:58,190 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:50:58,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:50:58,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:50:58,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:50:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:50:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-12-01 15:50:58,202 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2020-12-01 15:50:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:50:58,203 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-12-01 15:50:58,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:50:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-12-01 15:50:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 15:50:58,205 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:50:58,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:50:58,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 15:50:58,423 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:50:58,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:50:58,423 INFO L82 PathProgramCache]: Analyzing trace with hash -605570489, now seen corresponding path program 1 times [2020-12-01 15:50:58,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:50:58,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707708826] [2020-12-01 15:50:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-01 15:50:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:50:58,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 15:50:58,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:50:58,905 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 51 treesize of output 45 [2020-12-01 15:50:58,917 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 15:50:58,925 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:50:58,926 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 15:50:58,932 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:50:58,934 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 15:50:58,935 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-12-01 15:50:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:59,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:50:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:50:59,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707708826] [2020-12-01 15:50:59,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:50:59,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-12-01 15:50:59,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405151684] [2020-12-01 15:50:59,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-01 15:50:59,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:50:59,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-01 15:50:59,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:50:59,304 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 9 states. [2020-12-01 15:51:01,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:01,732 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-12-01 15:51:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:51:01,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-12-01 15:51:01,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:01,734 INFO L225 Difference]: With dead ends: 31 [2020-12-01 15:51:01,734 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:51:01,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-01 15:51:01,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:51:01,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:51:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:51:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-12-01 15:51:01,741 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2020-12-01 15:51:01,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:01,741 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-12-01 15:51:01,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-01 15:51:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-12-01 15:51:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 15:51:01,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:01,742 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:01,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-01 15:51:01,963 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:01,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:01,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1265561966, now seen corresponding path program 1 times [2020-12-01 15:51:01,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:51:01,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612041117] [2020-12-01 15:51:01,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90e34120-a1c1-4438-b25d-12b31ca46ce8/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-01 15:51:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:02,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 15:51:02,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:51:02,729 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 [2020-12-01 15:51:02,748 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 15:51:02,755 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:51:02,756 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 15:51:02,794 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:51:02,796 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-01 15:51:02,796 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:70, output treesize:40 [2020-12-01 15:51:03,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:51:03,378 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:51:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:03,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:51:04,641 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 58 treesize of output 52 [2020-12-01 15:51:04,648 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 15:51:04,654 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:51:04,655 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 15:51:04,672 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:51:04,674 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 15:51:04,674 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:66, output treesize:36 [2020-12-01 15:51:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:05,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612041117] [2020-12-01 15:51:05,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:05,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 18 [2020-12-01 15:51:05,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225710184] [2020-12-01 15:51:05,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-01 15:51:05,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:51:05,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-01 15:51:05,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-12-01 15:51:05,170 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 18 states. [2020-12-01 15:51:08,716 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-01 15:51:09,055 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 15:51:09,427 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-01 15:51:09,758 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 15:51:10,178 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 15:51:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:10,179 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-12-01 15:51:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-01 15:51:10,180 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2020-12-01 15:51:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:10,180 INFO L225 Difference]: With dead ends: 27 [2020-12-01 15:51:10,181 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:51:10,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2020-12-01 15:51:10,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:51:10,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:51:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:51:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:51:10,183 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-01 15:51:10,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:10,183 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:51:10,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-01 15:51:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:51:10,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:51:10,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-01 15:51:10,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:51:11,091 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-01 15:51:11,461 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-01 15:51:12,138 WARN L197 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-12-01 15:51:12,656 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-12-01 15:51:13,019 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-12-01 15:51:13,041 INFO L262 CegarLoopResult]: For program point L93(lines 93 98) no Hoare annotation was computed. [2020-12-01 15:51:13,041 INFO L262 CegarLoopResult]: For program point L93-1(lines 85 100) no Hoare annotation was computed. [2020-12-01 15:51:13,041 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 98) no Hoare annotation was computed. [2020-12-01 15:51:13,042 INFO L262 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-01 15:51:13,042 INFO L262 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-12-01 15:51:13,042 INFO L262 CegarLoopResult]: For program point L85(lines 85 108) no Hoare annotation was computed. [2020-12-01 15:51:13,042 INFO L262 CegarLoopResult]: For program point L151-3(line 151) no Hoare annotation was computed. [2020-12-01 15:51:13,042 INFO L262 CegarLoopResult]: For program point L151-5(lines 151 154) no Hoare annotation was computed. [2020-12-01 15:51:13,043 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:51:13,043 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 15:51:13,043 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:51:13,043 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:51:13,044 INFO L258 CegarLoopResult]: At program point L136(lines 127 137) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short39| (exists ((v_skolemized_v_prenex_6_3 (_ BitVec 64)) (v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) v_skolemized_v_prenex_6_3) ((_ extract 62 52) v_skolemized_v_prenex_6_3) ((_ extract 51 0) v_skolemized_v_prenex_6_3))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_6_3)))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~x (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse4 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-12-01 15:51:13,044 INFO L262 CegarLoopResult]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2020-12-01 15:51:13,044 INFO L258 CegarLoopResult]: At program point L46-2(lines 46 50) the Hoare annotation is: false [2020-12-01 15:51:13,044 INFO L262 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-12-01 15:51:13,044 INFO L258 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_modf_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-12-01 15:51:13,044 INFO L262 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2020-12-01 15:51:13,045 INFO L258 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2020-12-01 15:51:13,045 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-12-01 15:51:13,045 INFO L258 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short39| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-12-01 15:51:13,046 INFO L262 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-12-01 15:51:13,046 INFO L262 CegarLoopResult]: For program point L32(lines 32 109) no Hoare annotation was computed. [2020-12-01 15:51:13,046 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:51:13,046 INFO L265 CegarLoopResult]: At program point L156(lines 139 157) the Hoare annotation is: true [2020-12-01 15:51:13,046 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:51:13,046 INFO L262 CegarLoopResult]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2020-12-01 15:51:13,046 INFO L258 CegarLoopResult]: At program point L115-2(lines 115 120) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-12-01 15:51:13,047 INFO L262 CegarLoopResult]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2020-12-01 15:51:13,047 INFO L258 CegarLoopResult]: At program point L107(lines 22 110) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-12-01 15:51:13,047 INFO L262 CegarLoopResult]: For program point L33(lines 33 67) no Hoare annotation was computed. [2020-12-01 15:51:13,047 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:51:13,047 INFO L258 CegarLoopResult]: At program point L124(lines 113 125) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start_modf_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ULTIMATE.start_modf_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-12-01 15:51:13,048 INFO L262 CegarLoopResult]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2020-12-01 15:51:13,048 INFO L258 CegarLoopResult]: At program point L25-2(lines 25 30) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_modf_double_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) [2020-12-01 15:51:13,048 INFO L262 CegarLoopResult]: For program point L25-3(lines 25 30) no Hoare annotation was computed. [2020-12-01 15:51:13,048 INFO L262 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-12-01 15:51:13,048 INFO L258 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2020-12-01 15:51:13,048 INFO L262 CegarLoopResult]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2020-12-01 15:51:13,048 INFO L262 CegarLoopResult]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L258 CegarLoopResult]: At program point L59-2(lines 59 64) the Hoare annotation is: false [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L51(lines 51 56) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L51-1(lines 43 58) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L43(lines 43 66) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L76-1(lines 68 83) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L68(lines 68 109) no Hoare annotation was computed. [2020-12-01 15:51:13,049 INFO L262 CegarLoopResult]: For program point L101-1(lines 101 106) no Hoare annotation was computed. [2020-12-01 15:51:13,050 INFO L258 CegarLoopResult]: At program point L101-2(lines 101 106) the Hoare annotation is: false [2020-12-01 15:51:13,050 INFO L262 CegarLoopResult]: For program point L101-3(lines 101 106) no Hoare annotation was computed. [2020-12-01 15:51:13,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,074 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) [2020-12-01 15:51:13,078 INFO L168 Benchmark]: Toolchain (without parser) took 22735.09 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 29.6 MB in the beginning and 42.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:51:13,079 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:51:13,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.92 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 29.7 MB in the end (delta: -238.9 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:51:13,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.53 ms. Allocated memory is still 52.4 MB. Free memory was 29.7 MB in the beginning and 27.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:51:13,081 INFO L168 Benchmark]: Boogie Preprocessor took 95.13 ms. Allocated memory is still 52.4 MB. Free memory was 27.3 MB in the beginning and 24.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:51:13,082 INFO L168 Benchmark]: RCFGBuilder took 3288.01 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 24.9 MB in the beginning and 43.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:51:13,082 INFO L168 Benchmark]: TraceAbstraction took 18776.83 ms. Allocated memory is still 69.2 MB. Free memory was 42.7 MB in the beginning and 42.3 MB in the end (delta: 394.4 kB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:51:13,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.92 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 29.7 MB in the end (delta: -238.9 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.53 ms. Allocated memory is still 52.4 MB. Free memory was 29.7 MB in the beginning and 27.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.13 ms. Allocated memory is still 52.4 MB. Free memory was 27.3 MB in the beginning and 24.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3288.01 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 24.9 MB in the beginning and 43.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18776.83 ms. Allocated memory is still 69.2 MB. Free memory was 42.7 MB in the beginning and 42.3 MB in the end (delta: 394.4 kB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * 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: 71]: Loop Invariant [2020-12-01 15:51:13,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-12-01 15:51:13,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:51:13,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd64(j0, 1023bv32) == ~bvand32(2047bv32, ~bvashr32(v_skolemized_v_prenex_1_3[63:32], 20bv32)) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && v_skolemized_v_prenex_1_3[63:32] == i0) - 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...