./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD --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 bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c ....................................................................................................................................................................................................................................................................................................... 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_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD --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 bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:11:49,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:11:49,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:11:49,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:11:49,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:11:49,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:11:49,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:11:49,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:11:49,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:11:49,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:11:49,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:11:49,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:11:49,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:11:49,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:11:49,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:11:49,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:11:49,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:11:49,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:11:49,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:11:49,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:11:49,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:11:49,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:11:49,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:11:49,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:11:49,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:11:49,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:11:49,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:11:49,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:11:49,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:11:49,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:11:49,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:11:49,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:11:49,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:11:49,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:11:49,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:11:49,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:11:49,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:11:49,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:11:49,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:11:49,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:11:49,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:11:49,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:11:50,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:11:50,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:11:50,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:11:50,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:11:50,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:11:50,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:11:50,024 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:11:50,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:11:50,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:11:50,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:11:50,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:11:50,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:11:50,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:11:50,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:11:50,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:11:50,027 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:11:50,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:11:50,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:11:50,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:11:50,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:11:50,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:11:50,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:11:50,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:11:50,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:11:50,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:11:50,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:11:50,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:11:50,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:11:50,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:11:50,032 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:11:50,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:11:50,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:11:50,033 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_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c [2021-10-28 23:11:50,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:11:50,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:11:50,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:11:50,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:11:50,383 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:11:50,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2021-10-28 23:11:50,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/8ace052a0/84e616de0d9c498b90de13bda7d1ec80/FLAG3674c5059 [2021-10-28 23:11:50,979 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:11:50,980 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2021-10-28 23:11:50,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/8ace052a0/84e616de0d9c498b90de13bda7d1ec80/FLAG3674c5059 [2021-10-28 23:11:51,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/8ace052a0/84e616de0d9c498b90de13bda7d1ec80 [2021-10-28 23:11:51,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:11:51,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:11:51,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:51,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:11:51,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:11:51,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aeef3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51, skipping insertion in model container [2021-10-28 23:11:51,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:11:51,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:11:51,779 WARN L228 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_223c22c5-f356-4309-8000-803eb85c74bd/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2021-10-28 23:11:51,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:51,794 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:11:51,822 WARN L228 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_223c22c5-f356-4309-8000-803eb85c74bd/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2021-10-28 23:11:51,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:51,838 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:11:51,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51 WrapperNode [2021-10-28 23:11:51,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:51,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:51,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:11:51,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:11:51,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:51,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:11:51,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:11:51,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:11:51,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:51,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:11:52,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:11:52,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:11:52,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:11:52,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (1/1) ... [2021-10-28 23:11:52,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:11:52,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:11:52,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:11:52,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:11:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:11:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:11:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 23:11:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:11:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 23:11:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:11:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:11:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:11:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:11:52,464 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:11:52,465 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-28 23:11:52,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:52 BoogieIcfgContainer [2021-10-28 23:11:52,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:11:52,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:11:52,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:11:52,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:11:52,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:11:51" (1/3) ... [2021-10-28 23:11:52,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9e9f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:11:52, skipping insertion in model container [2021-10-28 23:11:52,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:51" (2/3) ... [2021-10-28 23:11:52,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9e9f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:11:52, skipping insertion in model container [2021-10-28 23:11:52,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:52" (3/3) ... [2021-10-28 23:11:52,494 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2021-10-28 23:11:52,500 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:11:52,500 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:11:52,591 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:11:52,616 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:11:52,616 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:11:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 23:11:52,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:52,667 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:52,668 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:52,676 INFO L85 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2021-10-28 23:11:52,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:52,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121919739] [2021-10-28 23:11:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:52,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:11:52,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:52,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121919739] [2021-10-28 23:11:52,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121919739] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:52,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:52,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:11:52,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91042493] [2021-10-28 23:11:52,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:11:52,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:52,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:11:52,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:11:52,944 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:52,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:52,972 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2021-10-28 23:11:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:11:52,974 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-28 23:11:52,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:52,984 INFO L225 Difference]: With dead ends: 46 [2021-10-28 23:11:52,986 INFO L226 Difference]: Without dead ends: 21 [2021-10-28 23:11:52,990 INFO L786 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 [2021-10-28 23:11:53,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-28 23:11:53,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 23:11:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2021-10-28 23:11:53,037 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2021-10-28 23:11:53,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:53,038 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2021-10-28 23:11:53,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-10-28 23:11:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:11:53,040 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:53,040 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:53,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:11:53,042 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:53,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:53,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2021-10-28 23:11:53,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:53,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030340510] [2021-10-28 23:11:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:53,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:11:53,197 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:11:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:11:53,354 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:11:53,354 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:11:53,362 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:53,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:11:53,368 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:11:53,372 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:11:53,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:11:53 BoogieIcfgContainer [2021-10-28 23:11:53,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:11:53,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:11:53,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:11:53,425 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:11:53,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:52" (3/4) ... [2021-10-28 23:11:53,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:11:53,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:11:53,436 INFO L168 Benchmark]: Toolchain (without parser) took 2070.03 ms. Allocated memory is still 107.0 MB. Free memory was 65.2 MB in the beginning and 39.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:53,437 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 107.0 MB. Free memory was 81.6 MB in the beginning and 81.5 MB in the end (delta: 61.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:53,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.19 ms. Allocated memory is still 107.0 MB. Free memory was 65.0 MB in the beginning and 81.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:53,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.82 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 80.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:53,450 INFO L168 Benchmark]: Boogie Preprocessor took 73.21 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 78.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:53,451 INFO L168 Benchmark]: RCFGBuilder took 463.65 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 66.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:53,452 INFO L168 Benchmark]: TraceAbstraction took 953.13 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 39.4 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:53,452 INFO L168 Benchmark]: Witness Printer took 8.82 ms. Allocated memory is still 107.0 MB. Free memory was 39.4 MB in the beginning and 39.1 MB in the end (delta: 311.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:53,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 107.0 MB. Free memory was 81.6 MB in the beginning and 81.5 MB in the end (delta: 61.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 453.19 ms. Allocated memory is still 107.0 MB. Free memory was 65.0 MB in the beginning and 81.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.82 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 80.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.21 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 78.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 463.65 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 66.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 953.13 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 39.4 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 8.82 ms. Allocated memory is still 107.0 MB. Free memory was 39.4 MB in the beginning and 39.1 MB in the end (delta: 311.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 69]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 40, overapproximation of bitwiseAnd at line 53. Possible FailurePath: [L64] float x = 1.0f / 0.0f; [L15] __int32_t signbit, w, exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L21] signbit = w & 0x80000000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) [L39] COND TRUE exponent_less_127 == 255 [L40] return x + x; [L65] float res = trunc_float(x); [L47] __int32_t ix; [L49] ieee_float_shape_type gf_u; [L50] gf_u.value = (x) [L51] EXPR gf_u.word [L51] (ix) = gf_u.word [L53] ix &= 0x7fffffff [L54] return ((ix) == 0x7f800000L); [L68] COND TRUE !isinf_float(res) [L69] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 26 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=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2021-10-28 23:11:53,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:11:56,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:11:56,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:11:56,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:11:56,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:11:56,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:11:56,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:11:56,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:11:56,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:11:56,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:11:56,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:11:56,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:11:56,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:11:56,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:11:56,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:11:56,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:11:56,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:11:56,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:11:56,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:11:56,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:11:56,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:11:56,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:11:56,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:11:56,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:11:56,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:11:56,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:11:56,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:11:56,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:11:56,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:11:56,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:11:56,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:11:56,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:11:56,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:11:56,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:11:56,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:11:56,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:11:56,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:11:56,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:11:56,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:11:56,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:11:56,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:11:56,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:11:56,895 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:11:56,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:11:56,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:11:56,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:11:56,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:11:56,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:11:56,900 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:11:56,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:11:56,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:11:56,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:11:56,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:11:56,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:11:56,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:11:56,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:11:56,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:11:56,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:11:56,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:11:56,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:11:56,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:11:56,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:11:56,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:11:56,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:11:56,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:11:56,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:11:56,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:11:56,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:11:56,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:11:56,908 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:11:56,908 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:11:56,908 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:11:56,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:11:56,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:11:56,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:11:56,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:11:56,910 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_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c [2021-10-28 23:11:57,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:11:57,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:11:57,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:11:57,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:11:57,425 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:11:57,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2021-10-28 23:11:57,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/0a71b9156/d1e606d8da7f4a3d85e6273722f0d50f/FLAG335dcf0d7 [2021-10-28 23:11:58,099 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:11:58,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2021-10-28 23:11:58,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/0a71b9156/d1e606d8da7f4a3d85e6273722f0d50f/FLAG335dcf0d7 [2021-10-28 23:11:58,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/data/0a71b9156/d1e606d8da7f4a3d85e6273722f0d50f [2021-10-28 23:11:58,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:11:58,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:11:58,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:58,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:11:58,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:11:58,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:58" (1/1) ... [2021-10-28 23:11:58,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e9ad04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:58, skipping insertion in model container [2021-10-28 23:11:58,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:58" (1/1) ... [2021-10-28 23:11:58,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:11:58,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:11:59,076 WARN L228 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_223c22c5-f356-4309-8000-803eb85c74bd/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2021-10-28 23:11:59,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:59,137 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:11:59,237 WARN L228 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_223c22c5-f356-4309-8000-803eb85c74bd/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2021-10-28 23:11:59,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:59,319 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:11:59,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59 WrapperNode [2021-10-28 23:11:59,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:59,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:59,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:11:59,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:11:59,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:59,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:11:59,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:11:59,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:11:59,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:11:59,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:11:59,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:11:59,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:11:59,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (1/1) ... [2021-10-28 23:11:59,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:11:59,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:11:59,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:11:59,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:11:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:11:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:11:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-28 23:11:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:11:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:11:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:11:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-28 23:11:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:11:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:12:00,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:12:00,102 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-28 23:12:00,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:00 BoogieIcfgContainer [2021-10-28 23:12:00,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:12:00,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:12:00,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:12:00,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:12:00,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:11:58" (1/3) ... [2021-10-28 23:12:00,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e3ed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:00, skipping insertion in model container [2021-10-28 23:12:00,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:59" (2/3) ... [2021-10-28 23:12:00,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e3ed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:00, skipping insertion in model container [2021-10-28 23:12:00,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:00" (3/3) ... [2021-10-28 23:12:00,131 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2021-10-28 23:12:00,138 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:12:00,138 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:12:00,216 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:12:00,225 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:12:00,225 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:12:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:00,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 23:12:00,248 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:00,249 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:00,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:00,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:00,257 INFO L85 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2021-10-28 23:12:00,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:12:00,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047575803] [2021-10-28 23:12:00,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:00,289 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:12:00,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:12:00,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:12:00,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:12:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:00,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 23:12:00,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:00,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:12:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:00,621 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:12:00,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047575803] [2021-10-28 23:12:00,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047575803] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:00,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:00,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:12:00,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284609267] [2021-10-28 23:12:00,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:12:00,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:12:00,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:12:00,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:12:00,673 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:00,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:00,695 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2021-10-28 23:12:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:12:00,697 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-28 23:12:00,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:00,708 INFO L225 Difference]: With dead ends: 46 [2021-10-28 23:12:00,708 INFO L226 Difference]: Without dead ends: 21 [2021-10-28 23:12:00,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:12:00,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-28 23:12:00,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 23:12:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2021-10-28 23:12:00,757 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2021-10-28 23:12:00,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:00,757 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2021-10-28 23:12:00,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-10-28 23:12:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 23:12:00,760 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:00,760 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:00,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:00,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:12:00,980 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:00,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:00,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2021-10-28 23:12:00,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:12:00,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898135063] [2021-10-28 23:12:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:00,991 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:12:00,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:12:00,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:12:01,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:12:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:01,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:12:01,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:01,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:12:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:01,715 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:12:01,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898135063] [2021-10-28 23:12:01,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898135063] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:01,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:01,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 6 [2021-10-28 23:12:01,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212602166] [2021-10-28 23:12:01,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:12:01,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:12:01,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:12:01,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:12:01,721 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:01,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:01,934 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-10-28 23:12:01,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:12:01,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-28 23:12:01,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:01,938 INFO L225 Difference]: With dead ends: 30 [2021-10-28 23:12:01,939 INFO L226 Difference]: Without dead ends: 16 [2021-10-28 23:12:01,941 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:12:01,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-28 23:12:01,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 23:12:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2021-10-28 23:12:01,947 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2021-10-28 23:12:01,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:01,948 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2021-10-28 23:12:01,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-10-28 23:12:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:12:01,949 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:01,950 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:01,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 23:12:02,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:12:02,163 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:02,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1848622454, now seen corresponding path program 1 times [2021-10-28 23:12:02,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:12:02,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066625297] [2021-10-28 23:12:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:02,167 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:12:02,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:12:02,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:12:02,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:12:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:02,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:12:02,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:02,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:12:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:03,604 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:12:03,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066625297] [2021-10-28 23:12:03,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066625297] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:03,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:03,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-28 23:12:03,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823646734] [2021-10-28 23:12:03,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 23:12:03,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:12:03,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 23:12:03,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:12:03,615 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 14 states, 14 states have (on average 2.0) internal successors, (28), 14 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:04,186 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2021-10-28 23:12:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:12:04,186 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 14 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-28 23:12:04,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:04,187 INFO L225 Difference]: With dead ends: 16 [2021-10-28 23:12:04,187 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:12:04,188 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2021-10-28 23:12:04,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:12:04,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:12:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:12:04,189 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-10-28 23:12:04,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:04,189 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:12:04,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 14 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:12:04,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:12:04,193 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:12:04,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:04,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:12:04,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:12:04,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:04,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:04,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:04,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:04,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:04,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:04,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:12:04,767 INFO L857 garLoopResultBuilder]: For program point L23(lines 23 41) no Hoare annotation was computed. [2021-10-28 23:12:04,767 INFO L857 garLoopResultBuilder]: For program point L23-1(lines 23 41) no Hoare annotation was computed. [2021-10-28 23:12:04,767 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2021-10-28 23:12:04,768 INFO L853 garLoopResultBuilder]: At program point L48-2(lines 48 52) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= (bvadd (_ bv127 32) ULTIMATE.start_trunc_float_~exponent_less_127~0) (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|))) [2021-10-28 23:12:04,768 INFO L857 garLoopResultBuilder]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2021-10-28 23:12:04,768 INFO L860 garLoopResultBuilder]: At program point L73(lines 57 74) the Hoare annotation is: true [2021-10-28 23:12:04,768 INFO L857 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2021-10-28 23:12:04,769 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:12:04,769 INFO L857 garLoopResultBuilder]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2021-10-28 23:12:04,769 INFO L853 garLoopResultBuilder]: At program point L32-2(lines 32 36) the Hoare annotation is: false [2021-10-28 23:12:04,769 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:12:04,769 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:12:04,770 INFO L857 garLoopResultBuilder]: For program point L24(lines 24 37) no Hoare annotation was computed. [2021-10-28 23:12:04,770 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 69) no Hoare annotation was computed. [2021-10-28 23:12:04,770 INFO L857 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-10-28 23:12:04,770 INFO L853 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) [2021-10-28 23:12:04,771 INFO L857 garLoopResultBuilder]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2021-10-28 23:12:04,771 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:12:04,771 INFO L853 garLoopResultBuilder]: At program point L54(lines 46 55) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= (bvadd (_ bv127 32) ULTIMATE.start_trunc_float_~exponent_less_127~0) (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_isinf_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|)) (= |ULTIMATE.start_isinf_float_#res| (_ bv1 32))) [2021-10-28 23:12:04,772 INFO L853 garLoopResultBuilder]: At program point L42(lines 14 43) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= (bvadd (_ bv127 32) ULTIMATE.start_trunc_float_~exponent_less_127~0) (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res|))) [2021-10-28 23:12:04,772 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2021-10-28 23:12:04,772 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 26 30) the Hoare annotation is: false [2021-10-28 23:12:04,772 INFO L857 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-28 23:12:04,772 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 71) no Hoare annotation was computed. [2021-10-28 23:12:04,776 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 23:12:04,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:12:04,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,790 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,790 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,790 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,791 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,791 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,791 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,791 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,817 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,818 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,819 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,822 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:12:04 BoogieIcfgContainer [2021-10-28 23:12:04,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:12:04,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:12:04,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:12:04,825 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:12:04,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:00" (3/4) ... [2021-10-28 23:12:04,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:12:04,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-28 23:12:04,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:12:04,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:12:04,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:12:04,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) [2021-10-28 23:12:04,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(127bv32, exponent_less_127) == ~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result) [2021-10-28 23:12:04,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(127bv32, exponent_less_127) == ~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result) [2021-10-28 23:12:04,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(127bv32, exponent_less_127) == ~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && \result == 1bv32 [2021-10-28 23:12:04,891 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:12:04,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:12:04,893 INFO L168 Benchmark]: Toolchain (without parser) took 6432.05 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 28.6 MB in the beginning and 43.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:04,894 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory is still 33.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:04,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.47 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.3 MB in the beginning and 46.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:04,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.72 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 44.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:04,896 INFO L168 Benchmark]: Boogie Preprocessor took 79.19 ms. Allocated memory is still 62.9 MB. Free memory was 44.3 MB in the beginning and 42.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:04,896 INFO L168 Benchmark]: RCFGBuilder took 596.07 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 44.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:04,897 INFO L168 Benchmark]: TraceAbstraction took 4716.70 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 43.6 MB in the beginning and 46.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:04,898 INFO L168 Benchmark]: Witness Printer took 67.58 ms. Allocated memory is still 75.5 MB. Free memory was 46.8 MB in the beginning and 43.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:04,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory is still 33.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 843.47 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.3 MB in the beginning and 46.0 MB in the end (delta: -17.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.72 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 44.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.19 ms. Allocated memory is still 62.9 MB. Free memory was 44.3 MB in the beginning and 42.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 596.07 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 44.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4716.70 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 43.6 MB in the beginning and 46.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Witness Printer took 67.58 ms. Allocated memory is still 75.5 MB. Free memory was 46.8 MB in the beginning and 43.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 69]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 61 SDslu, 37 SDs, 0 SdLazy, 33 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 228 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 23 QuantifiedInterpolants, 406 SizeOfPredicates, 19 NumberOfNonLiveVariables, 152 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant [2021-10-28 23:12:04,917 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,917 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,917 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(127bv32, exponent_less_127) == ~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result)) && \result == 1bv32 - InvariantResult [Line: 48]: Loop Invariant [2021-10-28 23:12:04,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,944 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,945 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(127bv32, exponent_less_127) == ~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2021-10-28 23:12:04,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2021-10-28 23:12:04,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2021-10-28 23:12:04,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-28 23:12:04,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == x) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(127bv32, exponent_less_127) == ~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == \result) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:12:05,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_223c22c5-f356-4309-8000-803eb85c74bd/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...