./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6904bf6d43d7b400ac9a6f6c8ecd92ebae2bb440 ...................................................................................................................................................................................................................................... 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_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6904bf6d43d7b400ac9a6f6c8ecd92ebae2bb440 ................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:20:36,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:36,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:36,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:36,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:36,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:36,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:36,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:36,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:36,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:36,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:36,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:36,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:36,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:36,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:36,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:36,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:36,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:36,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:36,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:36,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:36,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:36,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:36,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:36,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:36,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:36,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:36,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:36,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:36,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:36,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:36,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:36,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:36,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:36,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:36,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:36,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:36,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:36,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:36,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:36,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:36,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:20:36,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:36,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:36,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:36,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:36,240 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:36,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:36,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:36,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:36,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:36,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:36,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:20:36,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:20:36,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:20:36,249 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:36,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:36,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:36,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:20:36,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:36,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:36,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:20:36,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:36,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:36,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:20:36,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:20:36,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:36,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:20:36,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:20:36,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:36,253 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_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6904bf6d43d7b400ac9a6f6c8ecd92ebae2bb440 [2021-10-11 00:20:36,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:36,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:36,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:36,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:36,601 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:36,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2021-10-11 00:20:36,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/e2d0652a4/6117085531254209bba23bfb2f8c956f/FLAG5d0dc8f72 [2021-10-11 00:20:37,274 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:37,274 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2021-10-11 00:20:37,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/e2d0652a4/6117085531254209bba23bfb2f8c956f/FLAG5d0dc8f72 [2021-10-11 00:20:37,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/e2d0652a4/6117085531254209bba23bfb2f8c956f [2021-10-11 00:20:37,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:37,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:37,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:37,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:37,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:37,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114642b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37, skipping insertion in model container [2021-10-11 00:20:37,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:37,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:37,813 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2021-10-11 00:20:37,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:37,834 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:37,850 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2021-10-11 00:20:37,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:37,869 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:37,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37 WrapperNode [2021-10-11 00:20:37,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:37,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:37,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:37,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:37,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:37,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:37,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:37,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:37,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... [2021-10-11 00:20:37,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:37,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:37,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:37,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:37,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:38,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:38,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:38,325 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 00:20:38,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38 BoogieIcfgContainer [2021-10-11 00:20:38,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:38,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:38,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:38,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:38,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:37" (1/3) ... [2021-10-11 00:20:38,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99b53fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:38, skipping insertion in model container [2021-10-11 00:20:38,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:37" (2/3) ... [2021-10-11 00:20:38,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99b53fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:38, skipping insertion in model container [2021-10-11 00:20:38,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38" (3/3) ... [2021-10-11 00:20:38,338 INFO L111 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2021-10-11 00:20:38,354 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:38,357 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:20:38,368 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:20:38,408 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:38,408 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:38,409 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:38,409 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:38,409 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:38,409 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:38,409 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:38,409 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 00:20:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:20:38,431 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:38,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:20:38,432 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:38,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:38,439 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-11 00:20:38,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:38,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320995057] [2021-10-11 00:20:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,586 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:38,630 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:38,654 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:38,655 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:20:38,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:20:38,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:38 BoogieIcfgContainer [2021-10-11 00:20:38,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:38,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:38,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:38,687 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:38,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38" (3/4) ... [2021-10-11 00:20:38,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:20:38,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:38,698 INFO L168 Benchmark]: Toolchain (without parser) took 1042.62 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 59.8 MB in the beginning and 71.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:38,699 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 92.3 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:38,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.89 ms. Allocated memory is still 92.3 MB. Free memory was 59.6 MB in the beginning and 50.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:38,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.12 ms. Allocated memory is still 92.3 MB. Free memory was 50.3 MB in the beginning and 48.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:38,705 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 92.3 MB. Free memory was 48.9 MB in the beginning and 47.9 MB in the end (delta: 947.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:38,707 INFO L168 Benchmark]: RCFGBuilder took 380.03 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 47.9 MB in the beginning and 84.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:38,708 INFO L168 Benchmark]: TraceAbstraction took 355.63 ms. Allocated memory is still 113.2 MB. Free memory was 83.7 MB in the beginning and 71.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:38,709 INFO L168 Benchmark]: Witness Printer took 7.55 ms. Allocated memory is still 113.2 MB. Free memory is still 71.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:38,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 92.3 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 216.89 ms. Allocated memory is still 92.3 MB. Free memory was 59.6 MB in the beginning and 50.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.12 ms. Allocated memory is still 92.3 MB. Free memory was 50.3 MB in the beginning and 48.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.16 ms. Allocated memory is still 92.3 MB. Free memory was 48.9 MB in the beginning and 47.9 MB in the end (delta: 947.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 380.03 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 47.9 MB in the beginning and 84.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 355.63 ms. Allocated memory is still 113.2 MB. Free memory was 83.7 MB in the beginning and 71.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 7.55 ms. Allocated memory is still 113.2 MB. Free memory is still 71.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x, y, z, r; [L12] x = 1e8f [L13] y = x + 1.f [L14] z = x - 1.f [L15] r = y - z [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:20:41,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:41,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:41,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:41,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:41,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:41,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:41,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:41,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:41,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:41,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:41,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:41,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:41,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:41,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:41,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:41,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:41,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:41,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:41,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:41,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:41,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:41,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:41,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:41,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:41,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:41,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:41,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:41,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:41,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:41,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:41,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:41,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:41,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:41,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:41,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:41,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:41,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:41,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:41,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:41,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:41,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:20:41,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:41,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:41,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:41,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:41,486 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:41,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:41,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:41,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:41,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:41,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:20:41,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:20:41,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:20:41,489 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:20:41,489 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:20:41,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:41,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:41,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:41,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:20:41,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:41,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:41,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:20:41,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:41,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:41,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:20:41,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:20:41,491 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:20:41,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:20:41,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:20:41,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:41,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:20:41,492 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_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6904bf6d43d7b400ac9a6f6c8ecd92ebae2bb440 [2021-10-11 00:20:41,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:41,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:41,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:41,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:41,931 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:41,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2021-10-11 00:20:42,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/3ac56bbd5/ea10aa99ae834f1b900d991fb437399f/FLAGf4e4f8e57 [2021-10-11 00:20:42,568 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:42,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2021-10-11 00:20:42,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/3ac56bbd5/ea10aa99ae834f1b900d991fb437399f/FLAGf4e4f8e57 [2021-10-11 00:20:42,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/data/3ac56bbd5/ea10aa99ae834f1b900d991fb437399f [2021-10-11 00:20:42,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:42,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:42,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:42,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:42,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:42,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:42" (1/1) ... [2021-10-11 00:20:42,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab81898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:42, skipping insertion in model container [2021-10-11 00:20:42,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:42" (1/1) ... [2021-10-11 00:20:42,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:42,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:43,108 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2021-10-11 00:20:43,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:43,132 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:43,152 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2021-10-11 00:20:43,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:43,196 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:43,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43 WrapperNode [2021-10-11 00:20:43,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:43,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:43,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:43,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:43,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:43,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:43,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:43,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:43,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... [2021-10-11 00:20:43,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:43,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:43,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:43,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:43,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:20:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:44,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:44,156 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 00:20:44,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:44 BoogieIcfgContainer [2021-10-11 00:20:44,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:44,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:44,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:44,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:44,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:42" (1/3) ... [2021-10-11 00:20:44,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdf6c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:44, skipping insertion in model container [2021-10-11 00:20:44,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:43" (2/3) ... [2021-10-11 00:20:44,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdf6c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:44, skipping insertion in model container [2021-10-11 00:20:44,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:44" (3/3) ... [2021-10-11 00:20:44,169 INFO L111 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2021-10-11 00:20:44,185 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:44,188 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:20:44,200 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:20:44,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:44,240 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:44,240 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:44,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:44,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:44,240 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:44,240 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:44,241 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 00:20:44,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:20:44,264 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:44,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:20:44,265 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:44,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:44,271 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-11 00:20:44,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:20:44,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528574583] [2021-10-11 00:20:44,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 00:20:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:44,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 00:20:44,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:44,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:20:44,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528574583] [2021-10-11 00:20:44,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:44,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:44,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921564384] [2021-10-11 00:20:44,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:20:44,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:20:44,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:20:44,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:20:44,641 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2021-10-11 00:20:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:44,983 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-11 00:20:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:20:44,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2021-10-11 00:20:44,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:44,992 INFO L225 Difference]: With dead ends: 13 [2021-10-11 00:20:44,992 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:20:44,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:20:45,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:20:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:20:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:20:45,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-11 00:20:45,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:45,019 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:45,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:20:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:45,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:45,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:20:45,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:20:45,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:20:45,293 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:20:45,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:20:45,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:20:45,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-10-11 00:20:45,294 INFO L258 CegarLoopResult]: At program point L17(lines 8 18) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-11 00:20:45,294 INFO L262 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2021-10-11 00:20:45,294 INFO L262 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2021-10-11 00:20:45,294 INFO L258 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-11 00:20:45,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:20:45,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:20:45,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:20:45,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:20:45,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:45 BoogieIcfgContainer [2021-10-11 00:20:45,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:45,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:45,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:45,320 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:45,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:44" (3/4) ... [2021-10-11 00:20:45,324 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:20:45,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:20:45,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:20:45,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:20:45,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:45,394 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08c6ad88-e16c-4715-bb15-f7ea6a39027a/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:45,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:45,401 INFO L168 Benchmark]: Toolchain (without parser) took 2462.42 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 42.7 MB in the beginning and 63.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:45,403 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:45,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.16 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 46.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:45,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.76 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 44.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:45,406 INFO L168 Benchmark]: Boogie Preprocessor took 47.08 ms. Allocated memory is still 62.9 MB. Free memory was 44.6 MB in the beginning and 43.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:45,408 INFO L168 Benchmark]: RCFGBuilder took 865.13 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 32.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:45,410 INFO L168 Benchmark]: TraceAbstraction took 1154.49 ms. Allocated memory is still 62.9 MB. Free memory was 32.3 MB in the beginning and 26.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:45,411 INFO L168 Benchmark]: Witness Printer took 74.67 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 26.1 MB in the beginning and 63.4 MB in the end (delta: -37.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:45,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.16 ms. Allocated memory is still 62.9 MB. Free memory was 42.6 MB in the beginning and 46.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.76 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 44.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.08 ms. Allocated memory is still 62.9 MB. Free memory was 44.6 MB in the beginning and 43.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 865.13 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 32.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1154.49 ms. Allocated memory is still 62.9 MB. Free memory was 32.3 MB in the beginning and 26.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Witness Printer took 74.67 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 26.1 MB in the beginning and 63.4 MB in the end (delta: -37.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant [2021-10-11 00:20:45,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:20:45,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 6]: Loop Invariant [2021-10-11 00:20:45,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:20:45,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 9 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 18 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 6 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 8 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 proved your program to be correct! Received shutdown request...