./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC --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 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf ..................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC --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 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:43,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:43,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:43,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:43,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:43,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:43,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:43,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:43,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:43,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:43,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:43,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:43,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:43,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:43,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:43,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:43,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:43,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:43,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:43,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:43,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:43,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:43,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:43,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:43,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:43,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:43,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:43,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:43,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:43,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:43,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:43,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:43,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:43,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:43,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:43,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:43,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:43,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:43,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:43,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:43,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:43,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:43,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:43,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:43,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:43,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:43,997 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:43,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:43,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:43,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:43,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:43,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:44,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:44,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:44,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:44,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:44,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:44,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:44,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:44,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:44,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:44,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:44,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:44,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:44,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:44,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:44,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:44,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:44,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:44,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:44,009 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_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf [2021-10-11 00:29:44,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:44,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:44,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:44,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:44,356 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:44,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2021-10-11 00:29:44,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/08805aafe/2036b9e831134f4a945f97207d05b27f/FLAG7f53f3366 [2021-10-11 00:29:44,907 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:44,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2021-10-11 00:29:44,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/08805aafe/2036b9e831134f4a945f97207d05b27f/FLAG7f53f3366 [2021-10-11 00:29:45,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/08805aafe/2036b9e831134f4a945f97207d05b27f [2021-10-11 00:29:45,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:45,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:45,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:45,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:45,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:45,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be47fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45, skipping insertion in model container [2021-10-11 00:29:45,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:45,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:45,518 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2021-10-11 00:29:45,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:45,531 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:45,565 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2021-10-11 00:29:45,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:45,580 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:45,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45 WrapperNode [2021-10-11 00:29:45,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:45,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:45,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:45,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:45,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:45,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:45,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:45,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:45,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... [2021-10-11 00:29:45,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:45,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:45,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:45,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:45,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 00:29:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:29:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 00:29:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:29:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:29:46,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:46,014 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 00:29:46,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:46 BoogieIcfgContainer [2021-10-11 00:29:46,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:46,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:46,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:46,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:46,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:45" (1/3) ... [2021-10-11 00:29:46,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fb7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:46, skipping insertion in model container [2021-10-11 00:29:46,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:45" (2/3) ... [2021-10-11 00:29:46,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fb7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:46, skipping insertion in model container [2021-10-11 00:29:46,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:46" (3/3) ... [2021-10-11 00:29:46,026 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2021-10-11 00:29:46,040 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:46,043 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:29:46,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:29:46,093 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:46,094 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:46,094 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:46,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:46,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:46,094 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:46,095 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:46,095 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2021-10-11 00:29:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:29:46,114 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:46,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:46,115 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:46,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:46,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2021-10-11 00:29:46,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:46,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585972873] [2021-10-11 00:29:46,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:46,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585972873] [2021-10-11 00:29:46,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:46,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:46,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341403255] [2021-10-11 00:29:46,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:46,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:46,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:46,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:46,336 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2021-10-11 00:29:46,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:46,354 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-10-11 00:29:46,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:46,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 00:29:46,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:46,365 INFO L225 Difference]: With dead ends: 64 [2021-10-11 00:29:46,365 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 00:29:46,368 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 [2021-10-11 00:29:46,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 00:29:46,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-11 00:29:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:29:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2021-10-11 00:29:46,402 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2021-10-11 00:29:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:46,402 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2021-10-11 00:29:46,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-10-11 00:29:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:29:46,403 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:46,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:46,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:46,404 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:46,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:46,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2021-10-11 00:29:46,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:46,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400825927] [2021-10-11 00:29:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:46,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:46,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:46,515 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:46,516 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:29:46,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:46,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:46 BoogieIcfgContainer [2021-10-11 00:29:46,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:46,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:46,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:46,547 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:46,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:46" (3/4) ... [2021-10-11 00:29:46,551 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:29:46,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:46,554 INFO L168 Benchmark]: Toolchain (without parser) took 1283.46 ms. Allocated memory is still 119.5 MB. Free memory was 87.6 MB in the beginning and 84.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:46,555 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 36.8 MB in the beginning and 36.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:46,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.21 ms. Allocated memory is still 119.5 MB. Free memory was 87.4 MB in the beginning and 94.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:46,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 119.5 MB. Free memory was 94.9 MB in the beginning and 93.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:46,557 INFO L168 Benchmark]: Boogie Preprocessor took 27.36 ms. Allocated memory is still 119.5 MB. Free memory was 93.2 MB in the beginning and 92.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:46,558 INFO L168 Benchmark]: RCFGBuilder took 369.59 ms. Allocated memory is still 119.5 MB. Free memory was 92.0 MB in the beginning and 73.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:46,558 INFO L168 Benchmark]: TraceAbstraction took 528.66 ms. Allocated memory is still 119.5 MB. Free memory was 72.6 MB in the beginning and 85.4 MB in the end (delta: -12.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:46,559 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 119.5 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:46,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 36.8 MB in the beginning and 36.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.21 ms. Allocated memory is still 119.5 MB. Free memory was 87.4 MB in the beginning and 94.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 119.5 MB. Free memory was 94.9 MB in the beginning and 93.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.36 ms. Allocated memory is still 119.5 MB. Free memory was 93.2 MB in the beginning and 92.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 369.59 ms. Allocated memory is still 119.5 MB. Free memory was 92.0 MB in the beginning and 73.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 528.66 ms. Allocated memory is still 119.5 MB. Free memory was 72.6 MB in the beginning and 85.4 MB in the end (delta: -12.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.66 ms. Allocated memory is still 119.5 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 43, overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 93, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = -0.0; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L32] COND FALSE !(j0 < 0) [L43] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L44] COND TRUE ((i0 & i) | i1) == 0 [L45] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:49,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:49,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:49,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-11 00:29:49,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:49,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:49,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:49,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:49,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:49,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:49,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:49,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:49,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:49,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:49,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:49,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:49,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-11 00:29:49,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:49,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:49,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:49,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:49,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:49,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:49,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:49,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:49,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:49,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:49,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:49,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:29:49,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:49,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:49,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:49,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:49,206 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:49,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:49,213 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:49,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:49,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:49,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:49,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:49,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:49,215 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:29:49,216 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:29:49,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:49,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:49,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:49,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:49,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:49,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:49,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:49,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:49,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:49,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:49,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:49,218 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:29:49,219 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:29:49,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:49,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:49,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:29:49,219 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_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031d18bfb1e842ee5acf1572aa68f5278b9a3fdf [2021-10-11 00:29:49,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:49,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:49,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:49,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:49,621 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:49,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2021-10-11 00:29:49,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/d13436720/90d1e2be5d494cbd9d19ba5310ebc4d8/FLAG593acf39f [2021-10-11 00:29:50,238 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:50,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2021-10-11 00:29:50,252 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/d13436720/90d1e2be5d494cbd9d19ba5310ebc4d8/FLAG593acf39f [2021-10-11 00:29:50,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/data/d13436720/90d1e2be5d494cbd9d19ba5310ebc4d8 [2021-10-11 00:29:50,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:50,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:50,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:50,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:50,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:50,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e552c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50, skipping insertion in model container [2021-10-11 00:29:50,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:50,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:50,771 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2021-10-11 00:29:50,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:50,788 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:50,818 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2021-10-11 00:29:50,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:50,851 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:50,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50 WrapperNode [2021-10-11 00:29:50,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:50,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:50,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:50,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:50,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:50,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:50,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:50,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:50,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:50,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:51,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:51,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... [2021-10-11 00:29:51,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:51,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:51,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:51,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:51,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 00:29:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 00:29:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:29:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:29:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:29:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:29:53,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:53,246 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 00:29:53,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:53 BoogieIcfgContainer [2021-10-11 00:29:53,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:53,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:53,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:53,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:53,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:50" (1/3) ... [2021-10-11 00:29:53,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d66c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:53, skipping insertion in model container [2021-10-11 00:29:53,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:50" (2/3) ... [2021-10-11 00:29:53,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d66c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:53, skipping insertion in model container [2021-10-11 00:29:53,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:53" (3/3) ... [2021-10-11 00:29:53,262 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2021-10-11 00:29:53,288 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:53,292 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:29:53,304 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:29:53,331 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:53,331 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:53,331 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:53,331 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:53,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:53,332 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:53,332 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:53,332 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2021-10-11 00:29:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:29:53,351 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:53,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,360 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:53,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2021-10-11 00:29:53,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:53,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002867895] [2021-10-11 00:29:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 00:29:53,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:53,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002867895] [2021-10-11 00:29:53,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:53,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403349299] [2021-10-11 00:29:53,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:53,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:53,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:53,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:53,578 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2021-10-11 00:29:53,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:53,606 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-10-11 00:29:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:53,608 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 00:29:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:53,619 INFO L225 Difference]: With dead ends: 64 [2021-10-11 00:29:53,619 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 00:29:53,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:53,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 00:29:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-11 00:29:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:29:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2021-10-11 00:29:53,667 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2021-10-11 00:29:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:53,668 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2021-10-11 00:29:53,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-10-11 00:29:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:29:53,670 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:53,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:29:53,888 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2021-10-11 00:29:53,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:53,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773343928] [2021-10-11 00:29:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 00:29:53,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:54,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:54,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773343928] [2021-10-11 00:29:54,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:54,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:54,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647766892] [2021-10-11 00:29:54,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:54,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:54,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:54,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:54,221 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 5 states. [2021-10-11 00:29:54,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:54,880 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2021-10-11 00:29:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:29:54,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 00:29:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:54,883 INFO L225 Difference]: With dead ends: 37 [2021-10-11 00:29:54,883 INFO L226 Difference]: Without dead ends: 16 [2021-10-11 00:29:54,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:29:54,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-11 00:29:54,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-11 00:29:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 00:29:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-10-11 00:29:54,888 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2021-10-11 00:29:54,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:54,888 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-10-11 00:29:54,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-10-11 00:29:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 00:29:54,889 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:54,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:55,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 00:29:55,102 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:55,103 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2021-10-11 00:29:55,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:55,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098711114] [2021-10-11 00:29:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:55,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:29:55,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:55,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:55,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098711114] [2021-10-11 00:29:55,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:55,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:55,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841334299] [2021-10-11 00:29:55,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:29:55,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:55,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:29:55,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:29:55,411 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 4 states. [2021-10-11 00:29:55,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:55,554 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2021-10-11 00:29:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:29:55,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2021-10-11 00:29:55,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:55,555 INFO L225 Difference]: With dead ends: 23 [2021-10-11 00:29:55,556 INFO L226 Difference]: Without dead ends: 16 [2021-10-11 00:29:55,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:29:55,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-11 00:29:55,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-11 00:29:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 00:29:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2021-10-11 00:29:55,560 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2021-10-11 00:29:55,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:55,560 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2021-10-11 00:29:55,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:29:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-10-11 00:29:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 00:29:55,561 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:55,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:55,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 00:29:55,762 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:55,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:55,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2021-10-11 00:29:55,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:29:55,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401415561] [2021-10-11 00:29:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:55,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 00:29:55,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:56,054 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 45 treesize of output 39 [2021-10-11 00:29:56,062 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 00:29:56,066 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:29:56,067 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-11 00:29:56,077 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:29:56,078 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 00:29:56,078 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2021-10-11 00:29:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:56,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:29:56,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401415561] [2021-10-11 00:29:56,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:56,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:29:56,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906198424] [2021-10-11 00:29:56,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:29:56,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:29:56,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:29:56,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:29:56,166 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 7 states. [2021-10-11 00:29:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:56,567 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2021-10-11 00:29:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:29:56,567 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2021-10-11 00:29:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:56,567 INFO L225 Difference]: With dead ends: 16 [2021-10-11 00:29:56,568 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:29:56,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:29:56,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:29:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:29:56,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:29:56,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:29:56,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-10-11 00:29:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:56,569 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:56,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:29:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:56,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:29:56,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 00:29:56,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:29:57,026 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2021-10-11 00:29:57,029 INFO L262 CegarLoopResult]: For program point L60(lines 60 61) no Hoare annotation was computed. [2021-10-11 00:29:57,029 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L265 CegarLoopResult]: At program point L102(lines 85 103) the Hoare annotation is: true [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L53(lines 53 75) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L62(lines 62 74) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L54(lines 54 57) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L46(lines 46 51) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2021-10-11 00:29:57,030 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L97(lines 97 100) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L64(lines 64 71) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L31(lines 31 75) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L32(lines 32 52) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2021-10-11 00:29:57,031 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-10-11 00:29:57,032 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_ceil_double_~x))) [2021-10-11 00:29:57,032 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-10-11 00:29:57,032 INFO L258 CegarLoopResult]: At program point L82(lines 21 83) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_3|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~j0~0 (bvadd (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_3|) (_ bv20 32))) (_ bv4294966273 32))))) (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= .cse0 ULTIMATE.start_ceil_double_~x) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_ceil_double_~i1~0 (_ bv0 32)) (= (bvadd ULTIMATE.start_ceil_double_~i0~0 (_ bv2147483648 32)) (_ bv0 32)))) [2021-10-11 00:29:57,032 INFO L262 CegarLoopResult]: For program point L33(lines 33 41) no Hoare annotation was computed. [2021-10-11 00:29:57,032 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:29:57,032 INFO L262 CegarLoopResult]: For program point L34(lines 34 40) no Hoare annotation was computed. [2021-10-11 00:29:57,032 INFO L262 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2021-10-11 00:29:57,033 INFO L262 CegarLoopResult]: For program point L76-1(lines 21 83) no Hoare annotation was computed. [2021-10-11 00:29:57,033 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2021-10-11 00:29:57,033 INFO L262 CegarLoopResult]: For program point L68(lines 68 69) no Hoare annotation was computed. [2021-10-11 00:29:57,033 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2021-10-11 00:29:57,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:57,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:57,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:57,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:57,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:57 BoogieIcfgContainer [2021-10-11 00:29:57,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:57,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:57,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:57,057 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:57,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:53" (3/4) ... [2021-10-11 00:29:57,061 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:29:57,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-11 00:29:57,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 00:29:57,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:57,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:57,099 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && j0 == ~bvadd64(~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)), 4294966273bv32)) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && ~fp~LONGDOUBLE((2147483648bv32 ++ 0bv32)[63:63], (2147483648bv32 ++ 0bv32)[62:52], (2147483648bv32 ++ 0bv32)[51:0]) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE((2147483648bv32 ++ 0bv32)[63:63], (2147483648bv32 ++ 0bv32)[62:52], (2147483648bv32 ++ 0bv32)[51:0]) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && i1 == 0bv32) && ~bvadd64(i0, 2147483648bv32) == 0bv32 [2021-10-11 00:29:57,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba7769-3eef-435f-8251-21936a88c5aa/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:29:57,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:57,127 INFO L168 Benchmark]: Toolchain (without parser) took 6565.81 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 38.5 MB in the beginning and 52.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:57,127 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:57,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.63 ms. Allocated memory is still 58.7 MB. Free memory was 38.3 MB in the beginning and 42.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:57,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.69 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 41.9 MB in the beginning and 60.7 MB in the end (delta: -18.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:57,129 INFO L168 Benchmark]: Boogie Preprocessor took 72.79 ms. Allocated memory is still 77.6 MB. Free memory was 60.7 MB in the beginning and 59.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:57,130 INFO L168 Benchmark]: RCFGBuilder took 2218.20 ms. Allocated memory is still 77.6 MB. Free memory was 59.0 MB in the beginning and 39.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:57,131 INFO L168 Benchmark]: TraceAbstraction took 3807.32 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 39.0 MB in the beginning and 56.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:57,132 INFO L168 Benchmark]: Witness Printer took 69.03 ms. Allocated memory is still 94.4 MB. Free memory was 56.0 MB in the beginning and 52.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:57,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.63 ms. Allocated memory is still 58.7 MB. Free memory was 38.3 MB in the beginning and 42.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.69 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 41.9 MB in the beginning and 60.7 MB in the end (delta: -18.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.79 ms. Allocated memory is still 77.6 MB. Free memory was 60.7 MB in the beginning and 59.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2218.20 ms. Allocated memory is still 77.6 MB. Free memory was 59.0 MB in the beginning and 39.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3807.32 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 39.0 MB in the beginning and 56.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Witness Printer took 69.03 ms. Allocated memory is still 94.4 MB. Free memory was 56.0 MB in the beginning and 52.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 98]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2021-10-11 00:29:57,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:57,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 21]: Loop Invariant [2021-10-11 00:29:57,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:29:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2021-10-11 00:29:57,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && j0 == ~bvadd64(~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)), 4294966273bv32)) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && ~fp~LONGDOUBLE((2147483648bv32 ++ 0bv32)[63:63], (2147483648bv32 ++ 0bv32)[62:52], (2147483648bv32 ++ 0bv32)[51:0]) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE((2147483648bv32 ++ 0bv32)[63:63], (2147483648bv32 ++ 0bv32)[62:52], (2147483648bv32 ++ 0bv32)[51:0]) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && i1 == 0bv32) && ~bvadd64(i0, 2147483648bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 57 SDslu, 22 SDs, 0 SdLazy, 39 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 91 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 31 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 4 QuantifiedInterpolants, 3862 SizeOfPredicates, 18 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...