./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN --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 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:55:06,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:55:06,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:55:06,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:55:06,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:55:06,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:55:06,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:55:06,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:55:06,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:55:06,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:55:06,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:55:06,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:55:06,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:55:06,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:55:06,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:55:06,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:55:06,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:55:06,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:55:06,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:55:06,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:55:06,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:55:06,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:55:06,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:55:06,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:55:06,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:55:06,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:55:06,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:55:06,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:55:06,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:55:06,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:55:06,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:55:06,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:55:06,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:55:06,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:55:06,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:55:06,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:55:06,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:55:06,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:55:06,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:55:06,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:55:06,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:55:06,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:55:06,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:55:06,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:55:06,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:55:06,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:55:06,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:55:06,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:55:06,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:55:06,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:55:06,259 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:55:06,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:55:06,260 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:55:06,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:55:06,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:55:06,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:55:06,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:55:06,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:55:06,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:55:06,262 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:55:06,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:55:06,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:55:06,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:55:06,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:55:06,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:55:06,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:55:06,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:55:06,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:55:06,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:55:06,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:55:06,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:55:06,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:55:06,267 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:55:06,267 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:55:06,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:55:06,268 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_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 [2022-11-20 11:55:06,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:55:06,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:55:06,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:55:06,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:55:06,672 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:55:06,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2022-11-20 11:55:10,466 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:55:10,745 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:55:10,746 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2022-11-20 11:55:10,759 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data/c5eb7b578/44befc4e00c94f9f9da867d1524e43ce/FLAGbb932ae73 [2022-11-20 11:55:10,784 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data/c5eb7b578/44befc4e00c94f9f9da867d1524e43ce [2022-11-20 11:55:10,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:55:10,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:55:10,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:55:10,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:55:10,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:55:10,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:10" (1/1) ... [2022-11-20 11:55:10,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb3738b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:10, skipping insertion in model container [2022-11-20 11:55:10,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:10" (1/1) ... [2022-11-20 11:55:10,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:55:10,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:55:11,087 WARN L237 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_c71d921d-fc6a-4175-bf4e-23982337e0c2/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c[5435,5448] [2022-11-20 11:55:11,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:55:11,106 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:55:11,166 WARN L237 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_c71d921d-fc6a-4175-bf4e-23982337e0c2/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c[5435,5448] [2022-11-20 11:55:11,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:55:11,186 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:55:11,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11 WrapperNode [2022-11-20 11:55:11,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:55:11,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:55:11,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:55:11,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:55:11,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,248 INFO L138 Inliner]: procedures = 20, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 241 [2022-11-20 11:55:11,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:55:11,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:55:11,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:55:11,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:55:11,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:55:11,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:55:11,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:55:11,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:55:11,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (1/1) ... [2022-11-20 11:55:11,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:55:11,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:11,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:11,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:55:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:55:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:55:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:55:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 11:55:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:55:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-20 11:55:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:55:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:55:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:55:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:55:11,540 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:55:11,542 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:55:11,990 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:55:11,999 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:55:11,999 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-20 11:55:12,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:12 BoogieIcfgContainer [2022-11-20 11:55:12,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:55:12,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:55:12,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:55:12,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:55:12,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:55:10" (1/3) ... [2022-11-20 11:55:12,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1e3004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:12, skipping insertion in model container [2022-11-20 11:55:12,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:11" (2/3) ... [2022-11-20 11:55:12,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1e3004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:12, skipping insertion in model container [2022-11-20 11:55:12,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:12" (3/3) ... [2022-11-20 11:55:12,013 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b.c [2022-11-20 11:55:12,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:55:12,056 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:55:12,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:55:12,164 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50c5019c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:55:12,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:55:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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) [2022-11-20 11:55:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 11:55:12,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:12,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:55:12,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:55:12,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2022-11-20 11:55:12,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:12,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110697206] [2022-11-20 11:55:12,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:55:12,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:55:12,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110697206] [2022-11-20 11:55:12,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110697206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:12,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:12,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:55:12,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649674033] [2022-11-20 11:55:12,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:12,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:55:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:55:12,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:55:12,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:55:12,592 INFO L87 Difference]: Start difference. First operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-20 11:55:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:12,631 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2022-11-20 11:55:12,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:55:12,635 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-11-20 11:55:12,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:55:12,663 INFO L225 Difference]: With dead ends: 110 [2022-11-20 11:55:12,663 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 11:55:12,667 INFO L412 NwaCegarLoop]: 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 [2022-11-20 11:55:12,671 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:55:12,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:55:12,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 11:55:12,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 11:55:12,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 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) [2022-11-20 11:55:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2022-11-20 11:55:12,721 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2022-11-20 11:55:12,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:55:12,723 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2022-11-20 11:55:12,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-20 11:55:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-20 11:55:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 11:55:12,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:12,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:55:12,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:55:12,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:55:12,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2022-11-20 11:55:12,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:12,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117106736] [2022-11-20 11:55:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:12,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:55:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:12,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:55:12,885 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:55:12,895 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:55:12,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:55:12,903 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 11:55:12,908 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:55:12,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:55:12 BoogieIcfgContainer [2022-11-20 11:55:12,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:55:12,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:55:12,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:55:12,952 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:55:12,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:12" (3/4) ... [2022-11-20 11:55:12,956 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:55:12,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:55:12,957 INFO L158 Benchmark]: Toolchain (without parser) took 2163.75ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 76.4MB in the beginning and 85.8MB in the end (delta: -9.4MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2022-11-20 11:55:12,958 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:55:12,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.88ms. Allocated memory is still 113.2MB. Free memory was 76.2MB in the beginning and 62.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:55:12,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.37ms. Allocated memory is still 113.2MB. Free memory was 62.3MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:55:12,960 INFO L158 Benchmark]: Boogie Preprocessor took 47.87ms. Allocated memory is still 113.2MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:55:12,961 INFO L158 Benchmark]: RCFGBuilder took 703.29ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 57.8MB in the beginning and 115.1MB in the end (delta: -57.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-11-20 11:55:12,962 INFO L158 Benchmark]: TraceAbstraction took 945.60ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 85.8MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 11:55:12,962 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 155.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:55:12,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.88ms. Allocated memory is still 113.2MB. Free memory was 76.2MB in the beginning and 62.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.37ms. Allocated memory is still 113.2MB. Free memory was 62.3MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.87ms. Allocated memory is still 113.2MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 703.29ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 57.8MB in the beginning and 115.1MB in the end (delta: -57.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 945.60ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 85.8MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 155.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 235]: 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 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L230] float x = -1.0f / 0.0f; [L231] CALL, EXPR __ieee754_asinf(x) [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000008, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000008, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-1, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000008, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-1, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] [L231] RET, EXPR __ieee754_asinf(x) [L231] float res = __ieee754_asinf(x); [L234] CALL, EXPR isnan_float(res) [L60] return x != x; VAL [\old(x)=1000000000000000000000000000009, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000009] [L234] RET, EXPR isnan_float(res) [L234] COND TRUE !isnan_float(res) [L235] reach_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000009, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000008] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=56occurred 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2022-11-20 11:55:12,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN --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 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:55:16,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:55:16,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:55:16,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:55:16,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:55:16,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:55:16,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:55:16,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:55:16,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:55:16,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:55:16,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:55:16,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:55:16,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:55:16,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:55:16,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:55:16,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:55:16,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:55:16,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:55:16,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:55:16,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:55:16,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:55:16,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:55:16,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:55:16,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:55:16,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:55:16,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:55:16,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:55:16,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:55:16,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:55:16,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:55:16,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:55:16,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:55:16,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:55:16,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:55:16,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:55:16,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:55:16,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:55:16,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:55:16,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:55:16,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:55:16,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:55:16,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 11:55:16,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:55:16,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:55:16,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:55:16,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:55:16,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:55:16,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:55:16,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:55:16,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:55:16,196 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:55:16,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:55:16,196 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:55:16,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:55:16,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:55:16,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:55:16,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:55:16,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:55:16,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:55:16,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:55:16,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:55:16,199 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:55:16,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:55:16,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:55:16,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:55:16,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:55:16,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:55:16,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:55:16,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:55:16,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:55:16,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:55:16,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:55:16,202 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:55:16,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:55:16,203 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:55:16,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:55:16,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:55:16,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:55:16,204 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_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 [2022-11-20 11:55:16,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:55:16,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:55:16,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:55:16,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:55:16,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:55:16,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2022-11-20 11:55:20,546 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:55:20,855 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:55:20,856 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2022-11-20 11:55:20,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data/4e0e570b4/6e15630d407b4540b362c47735f03b20/FLAGf22e9f285 [2022-11-20 11:55:20,888 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/data/4e0e570b4/6e15630d407b4540b362c47735f03b20 [2022-11-20 11:55:20,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:55:20,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:55:20,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:55:20,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:55:20,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:55:20,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:20" (1/1) ... [2022-11-20 11:55:20,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738806f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:20, skipping insertion in model container [2022-11-20 11:55:20,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:20" (1/1) ... [2022-11-20 11:55:20,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:55:20,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:55:21,209 WARN L237 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_c71d921d-fc6a-4175-bf4e-23982337e0c2/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c[5435,5448] [2022-11-20 11:55:21,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:55:21,248 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:55:21,362 WARN L237 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_c71d921d-fc6a-4175-bf4e-23982337e0c2/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c[5435,5448] [2022-11-20 11:55:21,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:55:21,389 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:55:21,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21 WrapperNode [2022-11-20 11:55:21,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:55:21,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:55:21,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:55:21,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:55:21,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,487 INFO L138 Inliner]: procedures = 23, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 241 [2022-11-20 11:55:21,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:55:21,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:55:21,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:55:21,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:55:21,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,580 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:55:21,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:55:21,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:55:21,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:55:21,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (1/1) ... [2022-11-20 11:55:21,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:55:21,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:21,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:21,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:55:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:55:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:55:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:55:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-20 11:55:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:55:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:55:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:55:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-20 11:55:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:55:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:55:21,896 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:55:21,900 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:55:34,728 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:55:34,737 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:55:34,737 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-20 11:55:34,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:34 BoogieIcfgContainer [2022-11-20 11:55:34,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:55:34,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:55:34,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:55:34,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:55:34,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:55:20" (1/3) ... [2022-11-20 11:55:34,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5297363f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:34, skipping insertion in model container [2022-11-20 11:55:34,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:21" (2/3) ... [2022-11-20 11:55:34,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5297363f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:34, skipping insertion in model container [2022-11-20 11:55:34,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:34" (3/3) ... [2022-11-20 11:55:34,757 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b.c [2022-11-20 11:55:34,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:55:34,782 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:55:34,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:55:34,858 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@743c98b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:55:34,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:55:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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) [2022-11-20 11:55:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 11:55:34,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:34,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:55:34,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:55:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:34,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2022-11-20 11:55:34,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:55:34,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722333922] [2022-11-20 11:55:34,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:34,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:34,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:55:34,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:55:34,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:55:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:35,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 11:55:35,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:55:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:55:35,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:55:35,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:55:35,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722333922] [2022-11-20 11:55:35,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722333922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:35,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:35,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:55:35,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325663294] [2022-11-20 11:55:35,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:35,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:55:35,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:55:35,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:55:35,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:55:35,759 INFO L87 Difference]: Start difference. First operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-20 11:55:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:35,788 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2022-11-20 11:55:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:55:35,798 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-11-20 11:55:35,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:55:35,811 INFO L225 Difference]: With dead ends: 110 [2022-11-20 11:55:35,812 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 11:55:35,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:55:35,821 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:55:35,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:55:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 11:55:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 11:55:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 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) [2022-11-20 11:55:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2022-11-20 11:55:35,863 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2022-11-20 11:55:35,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:55:35,864 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2022-11-20 11:55:35,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-20 11:55:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-20 11:55:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 11:55:35,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:35,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:55:35,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:36,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:36,071 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:55:36,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:36,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2022-11-20 11:55:36,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:55:36,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518382588] [2022-11-20 11:55:36,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:36,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:36,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:55:36,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:55:36,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:55:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:36,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 11:55:36,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:55:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:55:37,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:55:37,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:55:37,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518382588] [2022-11-20 11:55:37,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518382588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:37,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:37,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:55:37,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305087966] [2022-11-20 11:55:37,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:37,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:55:37,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:55:37,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:55:37,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:55:37,344 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-11-20 11:55:37,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:37,369 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-11-20 11:55:37,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:55:37,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2022-11-20 11:55:37,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:55:37,371 INFO L225 Difference]: With dead ends: 58 [2022-11-20 11:55:37,371 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 11:55:37,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:55:37,373 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:55:37,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2022-11-20 11:55:37,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 11:55:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 11:55:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 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) [2022-11-20 11:55:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-20 11:55:37,388 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 10 [2022-11-20 11:55:37,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:55:37,388 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-20 11:55:37,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-11-20 11:55:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-20 11:55:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 11:55:37,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:37,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:55:37,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:37,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:37,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:55:37,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:37,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2022-11-20 11:55:37,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:55:37,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11759079] [2022-11-20 11:55:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:37,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:37,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:55:37,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:55:37,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:55:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:38,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:55:38,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:55:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:55:39,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:55:39,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:55:39,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11759079] [2022-11-20 11:55:39,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11759079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:39,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:39,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:55:39,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050988791] [2022-11-20 11:55:39,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:39,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:55:39,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:55:39,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:55:39,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:55:39,116 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-11-20 11:55:43,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 11:55:46,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 11:55:49,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 11:55:52,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 11:55:53,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:53,329 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2022-11-20 11:55:53,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:55:53,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2022-11-20 11:55:53,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:55:53,336 INFO L225 Difference]: With dead ends: 61 [2022-11-20 11:55:53,337 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 11:55:53,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:55:53,339 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 36 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:55:53,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 276 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 4 Unknown, 0 Unchecked, 13.7s Time] [2022-11-20 11:55:53,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 11:55:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 11:55:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 states have internal predecessors, (67), 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) [2022-11-20 11:55:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-11-20 11:55:53,349 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 11 [2022-11-20 11:55:53,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:55:53,350 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-11-20 11:55:53,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-11-20 11:55:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-20 11:55:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 11:55:53,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:53,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:55:53,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-20 11:55:53,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:53,567 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:55:53,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:53,568 INFO L85 PathProgramCache]: Analyzing trace with hash 601206874, now seen corresponding path program 1 times [2022-11-20 11:55:53,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:55:53,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761757287] [2022-11-20 11:55:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:53,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:53,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:55:53,572 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:55:53,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:55:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:55,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 11:55:55,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:55:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:55:55,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:55:55,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:55:55,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761757287] [2022-11-20 11:55:55,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761757287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:55,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:55,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:55:55,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698289097] [2022-11-20 11:55:55,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:55,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:55:55,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:55:55,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:55:55,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:55:55,764 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-20 11:55:55,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:55,768 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2022-11-20 11:55:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:55:55,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2022-11-20 11:55:55,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:55:55,769 INFO L225 Difference]: With dead ends: 53 [2022-11-20 11:55:55,769 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:55:55,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:55:55,771 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:55:55,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-11-20 11:55:55,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:55:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:55:55,773 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) [2022-11-20 11:55:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:55:55,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-20 11:55:55,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:55:55,774 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:55:55,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-20 11:55:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:55:55,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:55:55,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:55:55,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:55,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:55:55,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:55:56,412 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed. [2022-11-20 11:55:56,413 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2022-11-20 11:55:56,413 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-11-20 11:55:56,413 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2022-11-20 11:55:56,413 INFO L895 garLoopResultBuilder]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2022-11-20 11:55:56,413 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-11-20 11:55:56,414 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2022-11-20 11:55:56,414 INFO L899 garLoopResultBuilder]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2022-11-20 11:55:56,414 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2022-11-20 11:55:56,414 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2022-11-20 11:55:56,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:55:56,414 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2022-11-20 11:55:56,415 INFO L895 garLoopResultBuilder]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2022-11-20 11:55:56,415 INFO L899 garLoopResultBuilder]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2022-11-20 11:55:56,415 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2022-11-20 11:55:56,415 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 184) no Hoare annotation was computed. [2022-11-20 11:55:56,415 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2022-11-20 11:55:56,415 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 183) no Hoare annotation was computed. [2022-11-20 11:55:56,416 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 141) no Hoare annotation was computed. [2022-11-20 11:55:56,416 INFO L895 garLoopResultBuilder]: At program point L137-1(lines 130 143) the Hoare annotation is: false [2022-11-20 11:55:56,416 INFO L899 garLoopResultBuilder]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2022-11-20 11:55:56,416 INFO L895 garLoopResultBuilder]: At program point L220(lines 155 221) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_asinf_~x#1|) (= |ULTIMATE.start___ieee754_asinf_#res#1| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 11:55:56,416 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2022-11-20 11:55:56,416 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2022-11-20 11:55:56,417 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2022-11-20 11:55:56,417 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2022-11-20 11:55:56,417 INFO L902 garLoopResultBuilder]: At program point L239(lines 223 240) the Hoare annotation is: true [2022-11-20 11:55:56,417 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2022-11-20 11:55:56,417 INFO L895 garLoopResultBuilder]: At program point L206-1(lines 198 216) the Hoare annotation is: false [2022-11-20 11:55:56,417 INFO L899 garLoopResultBuilder]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2022-11-20 11:55:56,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:55:56,418 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2022-11-20 11:55:56,418 INFO L895 garLoopResultBuilder]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_asinf_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 11:55:56,418 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-11-20 11:55:56,418 INFO L899 garLoopResultBuilder]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2022-11-20 11:55:56,419 INFO L899 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2022-11-20 11:55:56,419 INFO L895 garLoopResultBuilder]: At program point L142(lines 130 143) the Hoare annotation is: false [2022-11-20 11:55:56,419 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 77) no Hoare annotation was computed. [2022-11-20 11:55:56,419 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_asinf_~x#1|) (= |ULTIMATE.start___ieee754_asinf_#res#1| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-11-20 11:55:56,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:55:56,420 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 120) no Hoare annotation was computed. [2022-11-20 11:55:56,420 INFO L895 garLoopResultBuilder]: At program point L128(lines 64 129) the Hoare annotation is: false [2022-11-20 11:55:56,420 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 80) no Hoare annotation was computed. [2022-11-20 11:55:56,420 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 216) no Hoare annotation was computed. [2022-11-20 11:55:56,420 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2022-11-20 11:55:56,420 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-11-20 11:55:56,422 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 82) no Hoare annotation was computed. [2022-11-20 11:55:56,422 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 184) no Hoare annotation was computed. [2022-11-20 11:55:56,422 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:55:56,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2022-11-20 11:55:56,423 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2022-11-20 11:55:56,423 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2022-11-20 11:55:56,423 INFO L895 garLoopResultBuilder]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2022-11-20 11:55:56,424 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2022-11-20 11:55:56,424 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2022-11-20 11:55:56,424 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 184) no Hoare annotation was computed. [2022-11-20 11:55:56,428 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 11:55:56,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:55:56,444 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,452 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,452 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,452 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,457 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,457 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,457 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,459 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,459 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,459 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,459 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,460 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,461 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,461 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,462 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,462 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,462 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,462 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,463 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,463 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,463 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,464 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,464 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,464 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,464 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,465 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,465 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,466 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,466 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,466 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,466 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,467 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,467 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,467 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,467 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:55:56 BoogieIcfgContainer [2022-11-20 11:55:56,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:55:56,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:55:56,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:55:56,471 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:55:56,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:34" (3/4) ... [2022-11-20 11:55:56,475 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:55:56,486 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 11:55:56,487 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 11:55:56,487 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:55:56,488 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:55:56,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-20 11:55:56,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2022-11-20 11:55:56,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:55:56,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:55:56,535 INFO L158 Benchmark]: Toolchain (without parser) took 35642.04ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 62.4MB in the end (delta: -10.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-11-20 11:55:56,536 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:55:56,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.65ms. Allocated memory is still 73.4MB. Free memory was 52.0MB in the beginning and 37.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:55:56,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.21ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 35.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:55:56,537 INFO L158 Benchmark]: Boogie Preprocessor took 92.98ms. Allocated memory is still 73.4MB. Free memory was 34.7MB in the beginning and 32.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:55:56,538 INFO L158 Benchmark]: RCFGBuilder took 13152.67ms. Allocated memory is still 73.4MB. Free memory was 32.4MB in the beginning and 35.0MB in the end (delta: -2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:55:56,538 INFO L158 Benchmark]: TraceAbstraction took 21724.49ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 34.4MB in the beginning and 65.8MB in the end (delta: -31.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-20 11:55:56,539 INFO L158 Benchmark]: Witness Printer took 64.25ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 62.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:55:56,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.65ms. Allocated memory is still 73.4MB. Free memory was 52.0MB in the beginning and 37.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.21ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 35.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.98ms. Allocated memory is still 73.4MB. Free memory was 34.7MB in the beginning and 32.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13152.67ms. Allocated memory is still 73.4MB. Free memory was 32.4MB in the beginning and 35.0MB in the end (delta: -2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 21724.49ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 34.4MB in the beginning and 65.8MB in the end (delta: -31.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Witness Printer took 64.25ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 62.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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: - 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: 235]: 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, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 13.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 602 SdHoareTripleChecker+Invalid, 13.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 401 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 201 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 125 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 9 QuantifiedInterpolants, 284 SizeOfPredicates, 23 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant [2022-11-20 11:55:56,574 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,574 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,574 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,574 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,575 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,575 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,575 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,575 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,575 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,576 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,576 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,576 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,577 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,577 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,577 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,577 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,578 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,578 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,578 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,578 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,579 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,579 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,579 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,579 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant [2022-11-20 11:55:56,581 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,581 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 155]: Loop Invariant [2022-11-20 11:55:56,582 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,582 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,582 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,582 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,582 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,583 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,583 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,583 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,583 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,584 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,584 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,584 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,585 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,585 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,585 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,585 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,585 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,586 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,586 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,586 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,586 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,587 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,587 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 11:55:56,587 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-20 11:55:56,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c71d921d-fc6a-4175-bf4e-23982337e0c2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE