./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8 --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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- 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-2329fc7 [2022-12-13 19:43:13,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:43:13,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:43:13,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:43:13,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:43:13,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:43:13,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:43:13,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:43:13,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:43:13,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:43:13,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:43:13,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:43:13,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:43:13,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:43:13,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:43:13,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:43:13,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:43:13,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:43:13,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:43:13,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:43:13,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:43:13,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:43:13,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:43:13,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:43:13,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:43:13,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:43:13,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:43:13,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:43:13,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:43:13,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:43:13,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:43:13,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:43:13,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:43:13,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:43:13,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:43:13,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:43:13,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:43:13,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:43:13,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:43:13,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:43:13,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:43:13,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 19:43:13,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:43:13,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:43:13,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:43:13,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:43:13,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:43:13,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:43:13,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:43:13,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:43:13,317 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:43:13,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:43:13,318 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:43:13,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:43:13,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:43:13,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:43:13,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:43:13,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:43:13,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:43:13,319 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:43:13,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:43:13,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:43:13,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:43:13,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:43:13,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:43:13,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:43:13,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:13,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:43:13,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:43:13,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:43:13,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:43:13,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:43:13,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:43:13,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:43:13,321 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:43:13,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:43:13,321 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:43:13,321 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2022-12-13 19:43:13,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:43:13,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:43:13,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:43:13,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:43:13,561 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:43:13,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/floats-cbmc-regression/float13.c [2022-12-13 19:43:16,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:43:16,333 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:43:16,334 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c [2022-12-13 19:43:16,338 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data/0e934c0f1/94681f0464fd42e2a5958c42740376ad/FLAG3167764d9 [2022-12-13 19:43:16,350 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data/0e934c0f1/94681f0464fd42e2a5958c42740376ad [2022-12-13 19:43:16,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:43:16,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:43:16,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:16,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:43:16,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:43:16,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f01fc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16, skipping insertion in model container [2022-12-13 19:43:16,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:43:16,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:43:16,491 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2022-12-13 19:43:16,495 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2022-12-13 19:43:16,496 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2022-12-13 19:43:16,497 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2022-12-13 19:43:16,498 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2022-12-13 19:43:16,499 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2022-12-13 19:43:16,500 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2022-12-13 19:43:16,501 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2022-12-13 19:43:16,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:16,514 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:43:16,527 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2022-12-13 19:43:16,528 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2022-12-13 19:43:16,529 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2022-12-13 19:43:16,530 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2022-12-13 19:43:16,530 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2022-12-13 19:43:16,531 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2022-12-13 19:43:16,532 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2022-12-13 19:43:16,533 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2022-12-13 19:43:16,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:16,547 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:43:16,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16 WrapperNode [2022-12-13 19:43:16,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:16,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:16,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:43:16,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:43:16,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,578 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2022-12-13 19:43:16,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:16,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:43:16,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:43:16,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:43:16,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:43:16,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:43:16,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:43:16,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:43:16,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (1/1) ... [2022-12-13 19:43:16,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:16,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:43:16,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:43:16,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:43:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:43:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:43:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:43:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:43:16,730 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:43:16,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:43:16,846 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:43:16,852 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:43:16,853 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:43:16,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:16 BoogieIcfgContainer [2022-12-13 19:43:16,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:43:16,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:43:16,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:43:16,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:43:16,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:43:16" (1/3) ... [2022-12-13 19:43:16,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494e83c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:16, skipping insertion in model container [2022-12-13 19:43:16,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:16" (2/3) ... [2022-12-13 19:43:16,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494e83c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:16, skipping insertion in model container [2022-12-13 19:43:16,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:16" (3/3) ... [2022-12-13 19:43:16,864 INFO L112 eAbstractionObserver]: Analyzing ICFG float13.c [2022-12-13 19:43:16,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:43:16,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 19:43:16,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:43:16,936 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;@4c35110c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:43:16,936 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 19:43:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 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) [2022-12-13 19:43:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 19:43:16,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:16,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 19:43:16,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-13 19:43:16,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:16,951 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-12-13 19:43:16,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:43:16,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663376820] [2022-12-13 19:43:16,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:43:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:43:17,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:43:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:43:17,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:43:17,073 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:43:17,074 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-13 19:43:17,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-13 19:43:17,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-13 19:43:17,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-13 19:43:17,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-13 19:43:17,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-13 19:43:17,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2022-12-13 19:43:17,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2022-12-13 19:43:17,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:43:17,080 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 19:43:17,083 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:43:17,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:43:17 BoogieIcfgContainer [2022-12-13 19:43:17,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:43:17,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:43:17,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:43:17,096 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:43:17,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:16" (3/4) ... [2022-12-13 19:43:17,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:43:17,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:43:17,100 INFO L158 Benchmark]: Toolchain (without parser) took 747.13ms. Allocated memory is still 130.0MB. Free memory was 90.8MB in the beginning and 52.3MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 19:43:17,100 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:17,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.90ms. Allocated memory is still 130.0MB. Free memory was 90.8MB in the beginning and 79.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:43:17,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.06ms. Allocated memory is still 130.0MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:43:17,102 INFO L158 Benchmark]: Boogie Preprocessor took 20.16ms. Allocated memory is still 130.0MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:17,102 INFO L158 Benchmark]: RCFGBuilder took 255.28ms. Allocated memory is still 130.0MB. Free memory was 77.0MB in the beginning and 66.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:43:17,103 INFO L158 Benchmark]: TraceAbstraction took 238.08ms. Allocated memory is still 130.0MB. Free memory was 66.1MB in the beginning and 52.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:43:17,103 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 130.0MB. Free memory was 52.3MB in the beginning and 52.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:17,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.90ms. Allocated memory is still 130.0MB. Free memory was 90.8MB in the beginning and 79.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.06ms. Allocated memory is still 130.0MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.16ms. Allocated memory is still 130.0MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.28ms. Allocated memory is still 130.0MB. Free memory was 77.0MB in the beginning and 66.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 238.08ms. Allocated memory is still 130.0MB. Free memory was 66.1MB in the beginning and 52.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 130.0MB. Free memory was 52.3MB in the beginning and 52.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 15]: 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 14, overapproximation of someBinaryArithmeticFLOAToperation at line 5. Possible FailurePath: [L5] const float plus_infinity = 1.0f/0.0f; [L6] const float minus_infinity = 0.0f/-0.0f; [L7] const float NaN = 0.0f * (1.0f/0.0f); [L11] _Bool temp; [L14] temp = NaN < plus_infinity VAL [temp=1] [L15] COND TRUE !(!temp) VAL [temp=1] [L15] reach_error() VAL [temp=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 19:43:17,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8 --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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- 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-2329fc7 [2022-12-13 19:43:18,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:43:18,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:43:18,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:43:18,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:43:18,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:43:18,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:43:19,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:43:19,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:43:19,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:43:19,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:43:19,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:43:19,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:43:19,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:43:19,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:43:19,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:43:19,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:43:19,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:43:19,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:43:19,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:43:19,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:43:19,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:43:19,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:43:19,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:43:19,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:43:19,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:43:19,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:43:19,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:43:19,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:43:19,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:43:19,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:43:19,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:43:19,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:43:19,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:43:19,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:43:19,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:43:19,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:43:19,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:43:19,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:43:19,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:43:19,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:43:19,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 19:43:19,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:43:19,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:43:19,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:43:19,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:43:19,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:43:19,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:43:19,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:43:19,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:43:19,052 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:43:19,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:43:19,052 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:43:19,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:43:19,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:43:19,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:43:19,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:43:19,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:43:19,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:43:19,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:43:19,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:43:19,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:19,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:43:19,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:43:19,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:43:19,054 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:43:19,054 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:43:19,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:43:19,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:43:19,055 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:43:19,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:43:19,055 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:43:19,063 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:43:19,063 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2022-12-13 19:43:19,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:43:19,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:43:19,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:43:19,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:43:19,278 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:43:19,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/floats-cbmc-regression/float13.c [2022-12-13 19:43:21,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:43:21,997 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:43:21,997 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c [2022-12-13 19:43:22,004 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data/fb16c5db6/07ba1807f2d44a66ad38c62423049095/FLAG28817bb3e [2022-12-13 19:43:22,017 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/data/fb16c5db6/07ba1807f2d44a66ad38c62423049095 [2022-12-13 19:43:22,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:43:22,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:43:22,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:22,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:43:22,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:43:22,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cac37a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22, skipping insertion in model container [2022-12-13 19:43:22,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:43:22,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:43:22,184 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2022-12-13 19:43:22,188 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2022-12-13 19:43:22,189 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2022-12-13 19:43:22,190 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2022-12-13 19:43:22,191 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2022-12-13 19:43:22,192 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2022-12-13 19:43:22,193 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2022-12-13 19:43:22,194 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2022-12-13 19:43:22,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:22,211 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:43:22,224 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2022-12-13 19:43:22,225 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2022-12-13 19:43:22,226 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2022-12-13 19:43:22,227 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2022-12-13 19:43:22,228 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2022-12-13 19:43:22,229 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2022-12-13 19:43:22,229 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2022-12-13 19:43:22,230 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_0ff26110-b9ee-41ae-bd26-bb9e191c4829/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2022-12-13 19:43:22,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:43:22,245 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:43:22,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22 WrapperNode [2022-12-13 19:43:22,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:43:22,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:22,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:43:22,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:43:22,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,279 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-12-13 19:43:22,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:43:22,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:43:22,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:43:22,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:43:22,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:43:22,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:43:22,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:43:22,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:43:22,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (1/1) ... [2022-12-13 19:43:22,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:43:22,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:43:22,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:43:22,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:43:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:43:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:43:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:43:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:43:22,424 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:43:22,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:43:22,549 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:43:22,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:43:22,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:43:22,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:22 BoogieIcfgContainer [2022-12-13 19:43:22,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:43:22,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:43:22,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:43:22,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:43:22,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:43:22" (1/3) ... [2022-12-13 19:43:22,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db7880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:22, skipping insertion in model container [2022-12-13 19:43:22,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:43:22" (2/3) ... [2022-12-13 19:43:22,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db7880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:22, skipping insertion in model container [2022-12-13 19:43:22,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:22" (3/3) ... [2022-12-13 19:43:22,564 INFO L112 eAbstractionObserver]: Analyzing ICFG float13.c [2022-12-13 19:43:22,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:43:22,583 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 19:43:22,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:43:22,627 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;@529b5109, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:43:22,627 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 19:43:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 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) [2022-12-13 19:43:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 19:43:22,635 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:22,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 19:43:22,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-13 19:43:22,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:22,640 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-12-13 19:43:22,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:22,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301138466] [2022-12-13 19:43:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:22,659 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 [2022-12-13 19:43:22,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:22,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 19:43:22,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:43:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:22,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:43:22,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:43:22,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:22,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:22,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301138466] [2022-12-13 19:43:22,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301138466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:22,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:22,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:43:22,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234509000] [2022-12-13 19:43:22,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:22,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:43:22,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:22,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:43:22,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:43:22,910 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-13 19:43:23,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:23,045 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2022-12-13 19:43:23,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:43:23,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-12-13 19:43:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:23,052 INFO L225 Difference]: With dead ends: 55 [2022-12-13 19:43:23,052 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:43:23,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:43:23,057 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 30 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:23,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 5 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:43:23,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:43:23,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:43:23,073 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) [2022-12-13 19:43:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:43:23,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-12-13 19:43:23,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:23,075 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:43:23,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-13 19:43:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:43:23,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:43:23,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-13 19:43:23,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-13 19:43:23,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-13 19:43:23,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-13 19:43:23,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-13 19:43:23,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-13 19:43:23,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2022-12-13 19:43:23,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2022-12-13 19:43:23,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:43:23,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:43:23,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:43:23,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2022-12-13 19:43:23,308 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2022-12-13 19:43:23,308 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-12-13 19:43:23,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2022-12-13 19:43:23,309 INFO L899 garLoopResultBuilder]: For program point L27-3(line 27) no Hoare annotation was computed. [2022-12-13 19:43:23,309 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-12-13 19:43:23,309 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-12-13 19:43:23,309 INFO L899 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2022-12-13 19:43:23,309 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 9 39) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ~NaN~0 (fp.mul currentRoundingMode (_ +zero 8 24) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (= |ULTIMATE.start_main_~temp~0#1| (_ bv0 8))) [2022-12-13 19:43:23,309 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-12-13 19:43:23,310 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-12-13 19:43:23,310 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-12-13 19:43:23,310 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:43:23,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2022-12-13 19:43:23,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:43:23,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2022-12-13 19:43:23,311 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-12-13 19:43:23,311 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-12-13 19:43:23,311 INFO L899 garLoopResultBuilder]: For program point L24-3(line 24) no Hoare annotation was computed. [2022-12-13 19:43:23,311 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-12-13 19:43:23,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:43:23,312 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2022-12-13 19:43:23,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2022-12-13 19:43:23,312 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-12-13 19:43:23,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2022-12-13 19:43:23,313 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2022-12-13 19:43:23,313 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2022-12-13 19:43:23,313 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2022-12-13 19:43:23,313 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:43:23,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2022-12-13 19:43:23,313 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2022-12-13 19:43:23,313 INFO L899 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2022-12-13 19:43:23,314 INFO L899 garLoopResultBuilder]: For program point L30-3(line 30) no Hoare annotation was computed. [2022-12-13 19:43:23,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2022-12-13 19:43:23,314 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2022-12-13 19:43:23,314 INFO L899 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed. [2022-12-13 19:43:23,314 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2022-12-13 19:43:23,317 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 19:43:23,319 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:43:23,326 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,327 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,327 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,331 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,332 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,332 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:43:23 BoogieIcfgContainer [2022-12-13 19:43:23,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:43:23,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:43:23,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:43:23,334 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:43:23,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:22" (3/4) ... [2022-12-13 19:43:23,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:43:23,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 19:43:23,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 19:43:23,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:43:23,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:43:23,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: NaN == ~fp.mul~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && temp == 0bv8 [2022-12-13 19:43:23,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:43:23,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:43:23,374 INFO L158 Benchmark]: Toolchain (without parser) took 1352.87ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 69.8MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:23,374 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:23,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.74ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 63.1MB in the end (delta: -10.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-12-13 19:43:23,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.37ms. Allocated memory is still 86.0MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:23,375 INFO L158 Benchmark]: Boogie Preprocessor took 23.56ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:43:23,376 INFO L158 Benchmark]: RCFGBuilder took 251.98ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 49.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:43:23,376 INFO L158 Benchmark]: TraceAbstraction took 774.77ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 72.3MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:43:23,377 INFO L158 Benchmark]: Witness Printer took 39.74ms. Allocated memory is still 104.9MB. Free memory was 72.3MB in the beginning and 69.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:43:23,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.74ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 63.1MB in the end (delta: -10.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.37ms. Allocated memory is still 86.0MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.56ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 251.98ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 49.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 774.77ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 72.3MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.74ms. Allocated memory is still 104.9MB. Free memory was 72.3MB in the beginning and 69.8MB 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 24]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 27]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 30]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 36]: 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, 37 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 4 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 16 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 16 SizeOfPredicates, 3 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 3 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant [2022-12-13 19:43:23,386 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,386 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,386 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,387 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,387 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-13 19:43:23,387 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: NaN == ~fp.mul~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && temp == 0bv8 RESULT: Ultimate proved your program to be correct! [2022-12-13 19:43:23,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff26110-b9ee-41ae-bd26-bb9e191c4829/bin/uautomizer-uyxdKDjOR8/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 Writing output log to file Ultimate.log Result: TRUE