./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS --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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- 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-4e7fbc6 [2022-11-23 03:26:30,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:26:30,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:26:30,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:26:30,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:26:30,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:26:30,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:26:30,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:26:30,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:26:30,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:26:30,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:26:30,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:26:30,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:26:30,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:26:30,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:26:30,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:26:30,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:26:30,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:26:30,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:26:30,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:26:30,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:26:30,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:26:30,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:26:30,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:26:30,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:26:30,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:26:30,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:26:30,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:26:30,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:26:30,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:26:30,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:26:30,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:26:30,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:26:30,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:26:30,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:26:30,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:26:30,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:26:30,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:26:30,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:26:30,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:26:30,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:26:30,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 03:26:30,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:26:30,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:26:30,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:26:30,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:26:30,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:26:30,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:26:30,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:26:30,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:26:30,365 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:26:30,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:26:30,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:26:30,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:26:30,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:26:30,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:26:30,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:26:30,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:26:30,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:26:30,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:26:30,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:26:30,369 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:26:30,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:26:30,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:26:30,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:26:30,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:26:30,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:26:30,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:26:30,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:26:30,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:26:30,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:26:30,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:26:30,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:26:30,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:26:30,372 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:26:30,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:26:30,373 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2022-11-23 03:26:30,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:26:30,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:26:30,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:26:30,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:26:30,690 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:26:30,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-23 03:26:33,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:26:33,951 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:26:33,952 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-23 03:26:33,959 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data/ade384070/5793fe449c5d49049638c4f5f3e8a351/FLAG426ff9899 [2022-11-23 03:26:33,974 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data/ade384070/5793fe449c5d49049638c4f5f3e8a351 [2022-11-23 03:26:33,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:26:33,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:26:33,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:26:33,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:26:33,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:26:33,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:33" (1/1) ... [2022-11-23 03:26:33,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a0f6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:33, skipping insertion in model container [2022-11-23 03:26:33,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:33" (1/1) ... [2022-11-23 03:26:33,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:26:34,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:26:34,201 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_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-23 03:26:34,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:26:34,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:26:34,288 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_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-23 03:26:34,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:26:34,324 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:26:34,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34 WrapperNode [2022-11-23 03:26:34,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:26:34,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:26:34,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:26:34,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:26:34,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,402 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-11-23 03:26:34,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:26:34,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:26:34,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:26:34,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:26:34,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:26:34,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:26:34,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:26:34,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:26:34,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (1/1) ... [2022-11-23 03:26:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:26:34,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:26:34,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:26:34,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:26:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:26:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:26:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:26:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:26:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-23 03:26:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-23 03:26:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:26:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:26:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:26:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-23 03:26:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:26:34,678 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:26:34,680 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:26:34,988 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:26:34,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:26:34,996 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-23 03:26:34,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:34 BoogieIcfgContainer [2022-11-23 03:26:34,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:26:35,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:26:35,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:26:35,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:26:35,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:26:33" (1/3) ... [2022-11-23 03:26:35,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a7505f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:35, skipping insertion in model container [2022-11-23 03:26:35,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:34" (2/3) ... [2022-11-23 03:26:35,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a7505f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:35, skipping insertion in model container [2022-11-23 03:26:35,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:34" (3/3) ... [2022-11-23 03:26:35,023 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2022-11-23 03:26:35,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:26:35,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:26:35,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:26:35,127 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;@3abe4239, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:26:35,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:26:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 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) [2022-11-23 03:26:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 03:26:35,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:26:35,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:26:35,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:26:35,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:26:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-11-23 03:26:35,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:26:35,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892480431] [2022-11-23 03:26:35,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:26:35,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:26:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:26:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:26:35,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:26:35,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892480431] [2022-11-23 03:26:35,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892480431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:26:35,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:26:35,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:26:35,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056621249] [2022-11-23 03:26:35,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:26:35,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:26:35,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:26:35,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:26:35,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:26:35,419 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2022-11-23 03:26:35,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:26:35,442 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-11-23 03:26:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:26:35,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2022-11-23 03:26:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:26:35,452 INFO L225 Difference]: With dead ends: 82 [2022-11-23 03:26:35,452 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 03:26:35,455 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 [2022-11-23 03:26:35,458 INFO L413 NwaCegarLoop]: 57 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, 57 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 [2022-11-23 03:26:35,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:26:35,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 03:26:35,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-23 03:26:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-11-23 03:26:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-23 03:26:35,493 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-11-23 03:26:35,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:26:35,494 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-23 03:26:35,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2022-11-23 03:26:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-23 03:26:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 03:26:35,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:26:35,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:26:35,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:26:35,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:26:35,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:26:35,497 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-11-23 03:26:35,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:26:35,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55398835] [2022-11-23 03:26:35,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:26:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:26:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:26:35,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:26:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:26:35,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:26:35,705 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:26:35,707 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 03:26:35,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:26:35,713 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 03:26:35,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:26:35,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:26:35 BoogieIcfgContainer [2022-11-23 03:26:35,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:26:35,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:26:35,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:26:35,746 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:26:35,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:34" (3/4) ... [2022-11-23 03:26:35,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:26:35,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:26:35,752 INFO L158 Benchmark]: Toolchain (without parser) took 1772.61ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 79.9MB in the beginning and 102.0MB in the end (delta: -22.1MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-23 03:26:35,752 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:26:35,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.28ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 79.8MB in the beginning and 154.8MB in the end (delta: -75.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-23 03:26:35,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.91ms. Allocated memory is still 184.5MB. Free memory was 154.8MB in the beginning and 154.4MB in the end (delta: 365.2kB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-23 03:26:35,754 INFO L158 Benchmark]: Boogie Preprocessor took 63.17ms. Allocated memory is still 184.5MB. Free memory was 154.4MB in the beginning and 152.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:26:35,755 INFO L158 Benchmark]: RCFGBuilder took 530.90ms. Allocated memory is still 184.5MB. Free memory was 152.3MB in the beginning and 134.8MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 03:26:35,756 INFO L158 Benchmark]: TraceAbstraction took 744.63ms. Allocated memory is still 184.5MB. Free memory was 134.0MB in the beginning and 102.0MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-23 03:26:35,758 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 184.5MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:26:35,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.28ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 79.8MB in the beginning and 154.8MB in the end (delta: -75.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.91ms. Allocated memory is still 184.5MB. Free memory was 154.8MB in the beginning and 154.4MB in the end (delta: 365.2kB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.17ms. Allocated memory is still 184.5MB. Free memory was 154.4MB in the beginning and 152.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.90ms. Allocated memory is still 184.5MB. Free memory was 152.3MB in the beginning and 134.8MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 744.63ms. Allocated memory is still 184.5MB. Free memory was 134.0MB in the beginning and 102.0MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 184.5MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 125]: 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 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = 0.0f; [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, unknown-#in~x-unknown=8589934602, unknown-#in~y-unknown=0, x=8589934602, y=0, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [hx=0, hy=0, one_fmod=1, sx=-4294967296, unknown-#in~x-unknown=8589934602, unknown-#in~y-unknown=0, x=8589934602, y=0, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [hx=0, hy=0, one_fmod=1, sx=-4294967296, unknown-#in~x-unknown=8589934602, unknown-#in~y-unknown=0, x=8589934602, y=0, Zero_fmod={4:0}] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [\result=0, one_fmod=1, unknown-#in~x-unknown=8589934601, x=8589934601, Zero_fmod={4:0}] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, res=8589934601, x=8589934602, y=0, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 57 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, 57 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=42occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-11-23 03:26:35,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS --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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- 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-4e7fbc6 [2022-11-23 03:26:38,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:26:38,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:26:38,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:26:38,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:26:38,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:26:38,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:26:38,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:26:38,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:26:38,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:26:38,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:26:38,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:26:38,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:26:38,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:26:38,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:26:38,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:26:38,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:26:38,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:26:38,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:26:38,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:26:38,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:26:38,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:26:38,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:26:38,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:26:38,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:26:38,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:26:38,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:26:38,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:26:38,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:26:38,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:26:38,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:26:38,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:26:38,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:26:38,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:26:38,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:26:38,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:26:38,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:26:38,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:26:38,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:26:38,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:26:38,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:26:38,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-23 03:26:38,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:26:38,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:26:38,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:26:38,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:26:38,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:26:38,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:26:38,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:26:38,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:26:38,642 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:26:38,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:26:38,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:26:38,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:26:38,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:26:38,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:26:38,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:26:38,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:26:38,644 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 03:26:38,644 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 03:26:38,645 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 03:26:38,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:26:38,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:26:38,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:26:38,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:26:38,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:26:38,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:26:38,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:26:38,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:26:38,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:26:38,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:26:38,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:26:38,647 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 03:26:38,647 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 03:26:38,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:26:38,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:26:38,648 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:26:38,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:26:38,648 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 03:26:38,649 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2022-11-23 03:26:39,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:26:39,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:26:39,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:26:39,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:26:39,110 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:26:39,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-23 03:26:42,122 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:26:42,400 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:26:42,400 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-23 03:26:42,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data/1cbe3c801/15389cdd716f4aa3bd86ace25451a983/FLAGf73fa3afe [2022-11-23 03:26:42,440 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/data/1cbe3c801/15389cdd716f4aa3bd86ace25451a983 [2022-11-23 03:26:42,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:26:42,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:26:42,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:26:42,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:26:42,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:26:42,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbada34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42, skipping insertion in model container [2022-11-23 03:26:42,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:26:42,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:26:42,762 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_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-23 03:26:42,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:26:42,789 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:26:42,853 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_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-23 03:26:42,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:26:42,871 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:26:42,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42 WrapperNode [2022-11-23 03:26:42,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:26:42,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:26:42,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:26:42,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:26:42,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,918 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-11-23 03:26:42,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:26:42,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:26:42,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:26:42,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:26:42,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:26:42,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:26:42,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:26:42,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:26:42,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (1/1) ... [2022-11-23 03:26:42,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:26:42,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:26:42,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:26:43,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:26:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:26:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-23 03:26:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 03:26:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:26:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-23 03:26:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 03:26:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:26:43,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:26:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-23 03:26:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 03:26:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:26:43,138 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:26:43,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:26:45,760 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:26:45,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:26:45,767 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-23 03:26:45,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:45 BoogieIcfgContainer [2022-11-23 03:26:45,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:26:45,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:26:45,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:26:45,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:26:45,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:26:42" (1/3) ... [2022-11-23 03:26:45,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebb292b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:45, skipping insertion in model container [2022-11-23 03:26:45,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:42" (2/3) ... [2022-11-23 03:26:45,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebb292b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:45, skipping insertion in model container [2022-11-23 03:26:45,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:45" (3/3) ... [2022-11-23 03:26:45,779 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2022-11-23 03:26:45,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:26:45,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:26:45,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:26:45,871 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;@b743e68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:26:45,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:26:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 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) [2022-11-23 03:26:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 03:26:45,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:26:45,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:26:45,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:26:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:26:45,894 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-11-23 03:26:45,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:26:45,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176658758] [2022-11-23 03:26:45,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:26:45,908 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 [2022-11-23 03:26:45,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:26:45,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 03:26:45,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:26:46,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 03:26:46,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:26:46,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:26:46,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:26:46,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:26:46,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176658758] [2022-11-23 03:26:46,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176658758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:26:46,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:26:46,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:26:46,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815286464] [2022-11-23 03:26:46,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:26:46,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:26:46,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:26:46,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:26:46,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:26:46,380 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2022-11-23 03:26:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:26:46,412 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-11-23 03:26:46,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:26:46,414 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2022-11-23 03:26:46,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:26:46,427 INFO L225 Difference]: With dead ends: 82 [2022-11-23 03:26:46,427 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 03:26:46,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:26:46,435 INFO L413 NwaCegarLoop]: 57 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, 57 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 [2022-11-23 03:26:46,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:26:46,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 03:26:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-23 03:26:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-11-23 03:26:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-23 03:26:46,482 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-11-23 03:26:46,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:26:46,483 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-23 03:26:46,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2022-11-23 03:26:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-23 03:26:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 03:26:46,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:26:46,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:26:46,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:46,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:46,703 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:26:46,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:26:46,704 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-11-23 03:26:46,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:26:46,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69732346] [2022-11-23 03:26:46,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:26:46,705 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 [2022-11-23 03:26:46,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:26:46,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 03:26:46,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:26:47,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 03:26:47,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:26:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:26:49,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:26:49,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:26:49,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69732346] [2022-11-23 03:26:49,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69732346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:26:49,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:26:49,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:26:49,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483841051] [2022-11-23 03:26:49,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:26:49,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 03:26:49,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:26:49,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 03:26:49,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:26:49,757 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:26:58,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:26:58,426 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2022-11-23 03:26:58,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:26:58,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 03:26:58,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:26:58,428 INFO L225 Difference]: With dead ends: 44 [2022-11-23 03:26:58,428 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 03:26:58,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:26:58,430 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 58 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:26:58,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 189 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-23 03:26:58,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 03:26:58,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-23 03:26:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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) [2022-11-23 03:26:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-11-23 03:26:58,443 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2022-11-23 03:26:58,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:26:58,443 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2022-11-23 03:26:58,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:26:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-23 03:26:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 03:26:58,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:26:58,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:26:58,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:58,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:58,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:26:58,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:26:58,646 INFO L85 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2022-11-23 03:26:58,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:26:58,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202140607] [2022-11-23 03:26:58,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:26:58,647 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 [2022-11-23 03:26:58,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:26:58,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 03:26:58,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:26:58,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 03:26:58,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:26:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:26:58,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:26:58,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:26:58,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202140607] [2022-11-23 03:26:58,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202140607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:26:58,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:26:58,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:26:58,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748279645] [2022-11-23 03:26:58,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:26:58,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:26:58,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:26:58,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:26:58,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:26:58,885 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-11-23 03:26:58,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:26:58,935 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2022-11-23 03:26:58,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:26:58,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 [2022-11-23 03:26:58,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:26:58,936 INFO L225 Difference]: With dead ends: 39 [2022-11-23 03:26:58,937 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:26:58,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:26:58,938 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:26:58,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:26:58,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:26:58,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:26:58,940 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) [2022-11-23 03:26:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:26:58,940 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-23 03:26:58,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:26:58,940 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:26:58,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-11-23 03:26:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:26:58,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:26:58,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 03:26:58,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:59,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:26:59,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:27:01,678 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-11-23 03:27:01,678 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-11-23 03:27:01,678 INFO L895 garLoopResultBuilder]: At program point L27-1(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-23 03:27:01,678 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-11-23 03:27:01,679 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (and (exists ((|ULTIMATE.start_fmod_float_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res#1|)) (= |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-11-23 03:27:01,679 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-23 03:27:01,679 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-23 03:27:01,679 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-11-23 03:27:01,679 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 03:27:01,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 03:27:01,680 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-11-23 03:27:01,680 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-11-23 03:27:01,680 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-11-23 03:27:01,680 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-11-23 03:27:01,680 INFO L902 garLoopResultBuilder]: At program point L129(lines 112 130) the Hoare annotation is: true [2022-11-23 03:27:01,680 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-11-23 03:27:01,680 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-11-23 03:27:01,681 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-23 03:27:01,681 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-11-23 03:27:01,681 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-11-23 03:27:01,681 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (exists ((|ULTIMATE.start_fmod_float_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res#1|)) (= |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-23 03:27:01,681 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-23 03:27:01,682 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 03:27:01,682 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-11-23 03:27:01,682 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-11-23 03:27:01,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2022-11-23 03:27:01,682 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-11-23 03:27:01,682 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-11-23 03:27:01,682 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-11-23 03:27:01,683 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-11-23 03:27:01,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 03:27:01,683 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-11-23 03:27:01,683 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 127) no Hoare annotation was computed. [2022-11-23 03:27:01,683 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-11-23 03:27:01,683 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-11-23 03:27:01,683 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-11-23 03:27:01,683 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-11-23 03:27:01,684 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-23 03:27:01,684 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-11-23 03:27:01,684 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-11-23 03:27:01,684 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-23 03:27:01,684 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-11-23 03:27:01,688 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 03:27:01,691 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:27:01,700 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,701 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,702 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,702 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,706 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,706 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,707 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,707 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,707 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,707 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,709 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,709 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,710 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,710 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,711 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,711 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,711 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,711 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,712 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,712 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,712 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,712 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,713 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,713 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,713 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,713 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:27:01 BoogieIcfgContainer [2022-11-23 03:27:01,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:27:01,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:27:01,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:27:01,715 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:27:01,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:45" (3/4) ... [2022-11-23 03:27:01,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:27:01,729 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 03:27:01,729 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 03:27:01,730 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 03:27:01,730 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:27:01,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:27:01,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:27:01,762 INFO L158 Benchmark]: Toolchain (without parser) took 19313.37ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 48.4MB in the end (delta: 11.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:27:01,762 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:27:01,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.77ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 47.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:27:01,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.82ms. Allocated memory is still 81.8MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:27:01,763 INFO L158 Benchmark]: Boogie Preprocessor took 42.45ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:27:01,764 INFO L158 Benchmark]: RCFGBuilder took 2807.15ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 49.7MB in the end (delta: -6.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-11-23 03:27:01,764 INFO L158 Benchmark]: TraceAbstraction took 15942.70ms. Allocated memory is still 81.8MB. Free memory was 49.3MB in the beginning and 51.0MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:27:01,764 INFO L158 Benchmark]: Witness Printer took 46.11ms. Allocated memory is still 81.8MB. Free memory was 51.0MB in the beginning and 48.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:27:01,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.77ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 47.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.82ms. Allocated memory is still 81.8MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.45ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2807.15ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 49.7MB in the end (delta: -6.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15942.70ms. Allocated memory is still 81.8MB. Free memory was 49.3MB in the beginning and 51.0MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.11ms. Allocated memory is still 81.8MB. Free memory was 51.0MB in the beginning and 48.4MB in the end (delta: 2.6MB). 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - 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: 125]: 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 255 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 111 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 64 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 1 QuantifiedInterpolants, 116 SizeOfPredicates, 15 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 110]: Loop Invariant [2022-11-23 03:27:01,777 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,777 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,777 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,778 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,778 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,778 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,778 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,779 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,779 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,779 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,779 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,779 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((\exists ULTIMATE.start_fmod_float_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~LONGDOUBLE()), ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~LONGDOUBLE())) == \result) && y == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-11-23 03:27:01,781 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,781 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant [2022-11-23 03:27:01,782 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,782 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2022-11-23 03:27:01,783 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,783 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,783 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,783 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,783 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,784 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,784 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,784 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,785 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,785 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 03:27:01,785 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-23 03:27:01,785 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists ULTIMATE.start_fmod_float_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~LONGDOUBLE()), ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~LONGDOUBLE())) == \result) && y == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-11-23 03:27:01,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c646f0b5-fc86-4fa9-963d-0b0dde1b6ad4/bin/uautomizer-QkZJyEgLgS/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