./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8 --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 17022ac2d6c28ca56f87370a650921d1e6855c5509a626b4c9b141cb3850c9a7 --- 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-e04fb08 [2022-11-16 11:43:56,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:43:56,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:43:56,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:43:56,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:43:56,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:43:56,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:43:56,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:43:56,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:43:56,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:43:56,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:43:56,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:43:56,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:43:56,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:43:56,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:43:56,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:43:56,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:43:56,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:43:56,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:43:56,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:43:56,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:43:56,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:43:56,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:43:56,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:43:56,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:43:56,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:43:56,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:43:56,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:43:56,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:43:56,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:43:56,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:43:56,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:43:56,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:43:56,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:43:56,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:43:56,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:43:56,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:43:56,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:43:56,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:43:56,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:43:56,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:43:56,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:43:56,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:43:56,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:43:56,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:43:56,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:43:56,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:43:56,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:43:56,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:43:56,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:43:56,392 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:43:56,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:43:56,393 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:43:56,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:43:56,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:43:56,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:43:56,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:43:56,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:43:56,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:43:56,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:43:56,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:43:56,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:43:56,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:43:56,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:43:56,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:43:56,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:43:56,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:43:56,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:43:56,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:43:56,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:43:56,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:43:56,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:43:56,399 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:43:56,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:43:56,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:43:56,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17022ac2d6c28ca56f87370a650921d1e6855c5509a626b4c9b141cb3850c9a7 [2022-11-16 11:43:56,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:43:56,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:43:56,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:43:56,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:43:56,713 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:43:56,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2022-11-16 11:43:56,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/87712ceda/6b14079489b84916a8aabca7bed3e358/FLAG95aac66f7 [2022-11-16 11:43:57,390 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:43:57,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2022-11-16 11:43:57,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/87712ceda/6b14079489b84916a8aabca7bed3e358/FLAG95aac66f7 [2022-11-16 11:43:57,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/87712ceda/6b14079489b84916a8aabca7bed3e358 [2022-11-16 11:43:57,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:43:57,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:43:57,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:57,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:43:57,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:43:57,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:57" (1/1) ... [2022-11-16 11:43:57,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72908e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:57, skipping insertion in model container [2022-11-16 11:43:57,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:57" (1/1) ... [2022-11-16 11:43:57,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:43:57,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:43:58,058 WARN L229 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_3b9ce07c-942f-4457-8438-f66e466888c0/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c[2414,2427] [2022-11-16 11:43:58,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:58,078 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:43:58,133 WARN L229 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_3b9ce07c-942f-4457-8438-f66e466888c0/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c[2414,2427] [2022-11-16 11:43:58,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:58,151 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:43:58,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58 WrapperNode [2022-11-16 11:43:58,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:58,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:58,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:43:58,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:43:58,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,229 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2022-11-16 11:43:58,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:58,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:43:58,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:43:58,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:43:58,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:43:58,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:43:58,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:43:58,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:43:58,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (1/1) ... [2022-11-16 11:43:58,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:43:58,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:43:58,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:43:58,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:43:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:43:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:43:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:43:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-16 11:43:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:43:58,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-16 11:43:58,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:43:58,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:43:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:43:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:43:58,488 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:43:58,490 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:43:58,822 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:43:58,833 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:43:58,833 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 11:43:58,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:58 BoogieIcfgContainer [2022-11-16 11:43:58,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:43:58,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:43:58,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:43:58,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:43:58,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:57" (1/3) ... [2022-11-16 11:43:58,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5d0702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:58, skipping insertion in model container [2022-11-16 11:43:58,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:58" (2/3) ... [2022-11-16 11:43:58,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5d0702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:58, skipping insertion in model container [2022-11-16 11:43:58,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:58" (3/3) ... [2022-11-16 11:43:58,862 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c.c [2022-11-16 11:43:58,885 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:43:58,886 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:43:58,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:43:58,953 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;@6672bedf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:43:58,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:43:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:43:58,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:58,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:58,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:58,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:58,975 INFO L85 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2022-11-16 11:43:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:58,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891157361] [2022-11-16 11:43:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:58,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:59,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:59,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891157361] [2022-11-16 11:43:59,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891157361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:59,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:59,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:59,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268592891] [2022-11-16 11:43:59,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:59,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:43:59,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:59,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:43:59,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:43:59,340 INFO L87 Difference]: Start difference. First operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:59,362 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2022-11-16 11:43:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:43:59,364 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-16 11:43:59,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:59,376 INFO L225 Difference]: With dead ends: 72 [2022-11-16 11:43:59,380 INFO L226 Difference]: Without dead ends: 34 [2022-11-16 11:43:59,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:43:59,390 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:59,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:43:59,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-16 11:43:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-16 11:43:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 33 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-11-16 11:43:59,473 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2022-11-16 11:43:59,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:59,473 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-11-16 11:43:59,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2022-11-16 11:43:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:43:59,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:59,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:59,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:43:59,476 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:59,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:59,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2022-11-16 11:43:59,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:59,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260220437] [2022-11-16 11:43:59,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:59,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:43:59,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:44:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:44:00,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:44:00,271 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:44:00,274 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:44:00,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:44:00,284 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:44:00,289 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:44:00,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:44:00 BoogieIcfgContainer [2022-11-16 11:44:00,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:44:00,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:44:00,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:44:00,353 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:44:00,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:58" (3/4) ... [2022-11-16 11:44:00,358 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:44:00,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:44:00,360 INFO L158 Benchmark]: Toolchain (without parser) took 2623.91ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 77.8MB in the beginning and 107.8MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:44:00,361 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:44:00,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.01ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 91.5MB in the end (delta: -13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:44:00,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.55ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 89.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:44:00,368 INFO L158 Benchmark]: Boogie Preprocessor took 54.49ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 87.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:44:00,371 INFO L158 Benchmark]: RCFGBuilder took 549.97ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 68.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:44:00,372 INFO L158 Benchmark]: TraceAbstraction took 1511.95ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 108.7MB in the end (delta: -40.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-11-16 11:44:00,373 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 144.7MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:44:00,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.01ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 91.5MB in the end (delta: -13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.55ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 89.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.49ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 87.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.97ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 68.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1511.95ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 67.8MB in the beginning and 108.7MB in the end (delta: -40.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 144.7MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 109]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 40, overapproximation of bitwiseOr at line 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 105, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L16] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L105] double x = 1.0 / 0.0; [L106] CALL, EXPR ceil_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=7340032, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] [L28] COND TRUE j0 < 20 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=7340032, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] [L29] COND FALSE !(j0 < 0) [L40] i = (0x000fffff) >> j0 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=7340032, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] [L41] COND TRUE ((i0 & i) | i1) == 0 [L42] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, i0=7340032, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] [L106] RET, EXPR ceil_double(x) [L106] double res = ceil_double(x); [L108] CALL, EXPR isinf_double(res) [L84] __int32_t hx, lx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] [L86] ieee_double_shape_type ew_u; [L87] ew_u.value = (x) [L88] EXPR ew_u.parts.msw [L88] (hx) = ew_u.parts.msw [L89] EXPR ew_u.parts.lsw [L89] (lx) = ew_u.parts.lsw [L91] hx &= 0x7fffffff [L92] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L93] hx = 0x7ff00000 - hx [L94] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, lx=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] [L108] RET, EXPR isinf_double(res) [L108] COND TRUE !isinf_double(res) [L109] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000012] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 51 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:44:00,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8 --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 17022ac2d6c28ca56f87370a650921d1e6855c5509a626b4c9b141cb3850c9a7 --- 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-e04fb08 [2022-11-16 11:44:03,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:44:03,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:44:03,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:44:03,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:44:03,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:44:03,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:44:03,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:44:03,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:44:03,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:44:03,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:44:03,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:44:03,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:44:03,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:44:03,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:44:03,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:44:03,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:44:03,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:44:03,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:44:03,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:44:03,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:44:03,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:44:03,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:44:03,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:44:03,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:44:03,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:44:03,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:44:03,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:44:03,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:44:03,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:44:03,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:44:03,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:44:03,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:44:03,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:44:03,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:44:03,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:44:03,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:44:03,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:44:03,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:44:03,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:44:03,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:44:03,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:44:03,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:44:03,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:44:03,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:44:03,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:44:03,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:44:03,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:44:03,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:44:03,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:44:03,230 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:44:03,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:44:03,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:44:03,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:44:03,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:44:03,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:44:03,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:44:03,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:44:03,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:44:03,233 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:44:03,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:44:03,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:44:03,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:44:03,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:44:03,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:44:03,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:44:03,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:44:03,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:44:03,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:44:03,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:44:03,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:44:03,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:44:03,237 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:44:03,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:44:03,237 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:44:03,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:44:03,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:44:03,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:44:03,238 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17022ac2d6c28ca56f87370a650921d1e6855c5509a626b4c9b141cb3850c9a7 [2022-11-16 11:44:03,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:44:03,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:44:03,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:44:03,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:44:03,731 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:44:03,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2022-11-16 11:44:03,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/a6750475a/d0e8f01002fa4b99ac0b146e559590c6/FLAG568db1287 [2022-11-16 11:44:04,433 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:44:04,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2022-11-16 11:44:04,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/a6750475a/d0e8f01002fa4b99ac0b146e559590c6/FLAG568db1287 [2022-11-16 11:44:04,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/data/a6750475a/d0e8f01002fa4b99ac0b146e559590c6 [2022-11-16 11:44:04,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:44:04,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:44:04,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:44:04,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:44:04,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:44:04,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:04" (1/1) ... [2022-11-16 11:44:04,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3202b431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:04, skipping insertion in model container [2022-11-16 11:44:04,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:04" (1/1) ... [2022-11-16 11:44:04,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:44:04,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:44:05,068 WARN L229 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_3b9ce07c-942f-4457-8438-f66e466888c0/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c[2414,2427] [2022-11-16 11:44:05,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:44:05,145 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:44:05,217 WARN L229 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_3b9ce07c-942f-4457-8438-f66e466888c0/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c[2414,2427] [2022-11-16 11:44:05,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:44:05,236 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:44:05,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05 WrapperNode [2022-11-16 11:44:05,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:44:05,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:44:05,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:44:05,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:44:05,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,286 INFO L138 Inliner]: procedures = 19, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2022-11-16 11:44:05,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:44:05,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:44:05,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:44:05,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:44:05,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:44:05,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:44:05,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:44:05,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:44:05,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (1/1) ... [2022-11-16 11:44:05,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:44:05,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:44:05,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:44:05,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:44:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-16 11:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-16 11:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:44:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:44:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:44:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:44:05,529 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:44:05,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:44:07,247 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:44:07,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:44:07,262 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 11:44:07,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:44:07 BoogieIcfgContainer [2022-11-16 11:44:07,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:44:07,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:44:07,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:44:07,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:44:07,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:44:04" (1/3) ... [2022-11-16 11:44:07,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483fa8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:07, skipping insertion in model container [2022-11-16 11:44:07,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:05" (2/3) ... [2022-11-16 11:44:07,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483fa8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:07, skipping insertion in model container [2022-11-16 11:44:07,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:44:07" (3/3) ... [2022-11-16 11:44:07,276 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c.c [2022-11-16 11:44:07,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:44:07,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:44:07,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:44:07,376 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;@19940e29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:44:07,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:44:07,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:44:07,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:44:07,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:44:07,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:07,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:07,396 INFO L85 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2022-11-16 11:44:07,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:44:07,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108019652] [2022-11-16 11:44:07,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:44:07,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:44:07,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:44:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:07,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:44:07,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:44:07,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:44:07,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:44:07,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:44:07,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108019652] [2022-11-16 11:44:07,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108019652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:44:07,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:44:07,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:44:07,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841122097] [2022-11-16 11:44:07,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:44:07,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:44:07,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:44:07,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:44:07,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:44:07,645 INFO L87 Difference]: Start difference. First operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:07,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:44:07,676 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2022-11-16 11:44:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:44:07,678 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-16 11:44:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:44:07,694 INFO L225 Difference]: With dead ends: 72 [2022-11-16 11:44:07,695 INFO L226 Difference]: Without dead ends: 34 [2022-11-16 11:44:07,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:44:07,704 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:44:07,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:44:07,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-16 11:44:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-16 11:44:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 33 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-11-16 11:44:07,739 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2022-11-16 11:44:07,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:44:07,740 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-11-16 11:44:07,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2022-11-16 11:44:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:44:07,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:44:07,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:44:07,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:44:07,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:07,963 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2022-11-16 11:44:07,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:44:07,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821897684] [2022-11-16 11:44:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:07,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:07,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:44:07,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:44:07,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:44:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:08,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:44:08,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:44:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:44:08,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:44:08,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:44:08,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821897684] [2022-11-16 11:44:08,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821897684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:44:08,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:44:08,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:44:08,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166415182] [2022-11-16 11:44:08,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:44:08,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:44:08,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:44:08,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:44:08,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:44:08,450 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:44:08,461 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-16 11:44:08,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:44:08,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-16 11:44:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:44:08,463 INFO L225 Difference]: With dead ends: 45 [2022-11-16 11:44:08,463 INFO L226 Difference]: Without dead ends: 26 [2022-11-16 11:44:08,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:44:08,465 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:44:08,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 23 Unchecked, 0.0s Time] [2022-11-16 11:44:08,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-16 11:44:08,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-16 11:44:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2022-11-16 11:44:08,471 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 15 [2022-11-16 11:44:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:44:08,472 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-11-16 11:44:08,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-16 11:44:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:44:08,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:44:08,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:44:08,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:44:08,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:08,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:08,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:08,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1129837443, now seen corresponding path program 1 times [2022-11-16 11:44:08,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:44:08,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40270788] [2022-11-16 11:44:08,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:08,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:08,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:44:08,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:44:08,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:44:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:08,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:44:08,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:44:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:44:09,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:44:09,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:44:09,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40270788] [2022-11-16 11:44:09,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40270788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:44:09,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:44:09,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:44:09,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178018297] [2022-11-16 11:44:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:44:09,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:44:09,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:44:09,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:44:09,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:44:09,147 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:09,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:44:09,152 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-11-16 11:44:09,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:44:09,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-16 11:44:09,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:44:09,153 INFO L225 Difference]: With dead ends: 34 [2022-11-16 11:44:09,153 INFO L226 Difference]: Without dead ends: 16 [2022-11-16 11:44:09,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:44:09,155 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:44:09,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2022-11-16 11:44:09,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-16 11:44:09,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-16 11:44:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-11-16 11:44:09,160 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 15 [2022-11-16 11:44:09,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:44:09,161 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-11-16 11:44:09,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:09,161 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-11-16 11:44:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:44:09,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:44:09,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:44:09,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:44:09,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:09,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:09,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:09,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2022-11-16 11:44:09,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:44:09,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455751874] [2022-11-16 11:44:09,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:09,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:09,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:44:09,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:44:09,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:44:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:09,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 11:44:09,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:44:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:44:10,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:44:10,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:44:10,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455751874] [2022-11-16 11:44:10,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455751874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:44:10,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:44:10,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:44:10,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359994051] [2022-11-16 11:44:10,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:44:10,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:44:10,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:44:10,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:44:10,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:44:10,068 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:44:10,338 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:44:10,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:44:10,339 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-16 11:44:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:44:10,339 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:44:10,339 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:44:10,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:44:10,341 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 16 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:44:10,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 19 Unchecked, 0.1s Time] [2022-11-16 11:44:10,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:44:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:44:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:44:10,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-11-16 11:44:10,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:44:10,344 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:44:10,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:44:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:44:10,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:44:10,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:44:10,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:44:10,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:44:10,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:44:10,660 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 69) no Hoare annotation was computed. [2022-11-16 11:44:10,660 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 69) no Hoare annotation was computed. [2022-11-16 11:44:10,660 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 90) no Hoare annotation was computed. [2022-11-16 11:44:10,661 INFO L895 garLoopResultBuilder]: At program point L85-2(lines 85 90) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= |ULTIMATE.start_ceil_double_#res#1| .cse0) (= |ULTIMATE.start_ceil_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven))) [2022-11-16 11:44:10,661 INFO L899 garLoopResultBuilder]: For program point L85-3(lines 85 90) no Hoare annotation was computed. [2022-11-16 11:44:10,661 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2022-11-16 11:44:10,661 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2022-11-16 11:44:10,662 INFO L895 garLoopResultBuilder]: At program point L94(lines 83 95) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= (bvadd (_ bv1 32) (bvneg (bvlshr (let ((.cse1 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_13|))) (bvor (bvneg .cse2) .cse2)) (_ bv31 32)) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|))))))) (bvor (bvneg .cse1) .cse1)) (_ bv31 32)))) |ULTIMATE.start_isinf_double_#res#1|))) [2022-11-16 11:44:10,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:44:10,662 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 68) no Hoare annotation was computed. [2022-11-16 11:44:10,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:44:10,662 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 72) no Hoare annotation was computed. [2022-11-16 11:44:10,662 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 49) no Hoare annotation was computed. [2022-11-16 11:44:10,662 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2022-11-16 11:44:10,663 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_ceil_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-16 11:44:10,663 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2022-11-16 11:44:10,663 INFO L902 garLoopResultBuilder]: At program point L112(lines 97 113) the Hoare annotation is: true [2022-11-16 11:44:10,663 INFO L895 garLoopResultBuilder]: At program point L79(lines 18 80) the Hoare annotation is: (and (= |ULTIMATE.start_ceil_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_ceil_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-16 11:44:10,664 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 38) no Hoare annotation was computed. [2022-11-16 11:44:10,664 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 37) no Hoare annotation was computed. [2022-11-16 11:44:10,664 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 78) no Hoare annotation was computed. [2022-11-16 11:44:10,664 INFO L895 garLoopResultBuilder]: At program point L73-1(lines 18 80) the Hoare annotation is: false [2022-11-16 11:44:10,664 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 73 78) no Hoare annotation was computed. [2022-11-16 11:44:10,664 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 66) no Hoare annotation was computed. [2022-11-16 11:44:10,665 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:44:10,665 INFO L899 garLoopResultBuilder]: For program point L65-2(lines 65 66) no Hoare annotation was computed. [2022-11-16 11:44:10,665 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 58) no Hoare annotation was computed. [2022-11-16 11:44:10,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2022-11-16 11:44:10,665 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2022-11-16 11:44:10,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:44:10,665 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 72) no Hoare annotation was computed. [2022-11-16 11:44:10,666 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 111) no Hoare annotation was computed. [2022-11-16 11:44:10,666 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 37) no Hoare annotation was computed. [2022-11-16 11:44:10,666 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 71) no Hoare annotation was computed. [2022-11-16 11:44:10,666 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 54) no Hoare annotation was computed. [2022-11-16 11:44:10,666 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-11-16 11:44:10,666 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 48) no Hoare annotation was computed. [2022-11-16 11:44:10,670 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:44:10,673 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:44:10,680 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,681 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,681 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,684 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,685 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,685 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,685 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,685 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,685 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,686 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,686 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,686 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,687 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,687 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,694 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,695 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,695 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,695 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,695 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,695 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,696 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,696 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,696 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,696 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,697 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,697 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,697 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,698 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,700 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,700 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,701 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,702 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,703 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,703 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,703 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,705 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,705 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,707 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,708 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,708 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,708 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,709 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,709 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,709 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,709 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,710 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,711 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,711 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,711 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,712 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,725 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,729 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,729 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,729 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,730 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,730 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,731 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:44:10 BoogieIcfgContainer [2022-11-16 11:44:10,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:44:10,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:44:10,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:44:10,734 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:44:10,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:44:07" (3/4) ... [2022-11-16 11:44:10,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:44:10,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-16 11:44:10,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 11:44:10,753 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:44:10,753 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:44:10,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-16 11:44:10,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-16 11:44:10,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-16 11:44:10,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(1bv32, ~bvneg64(~bvlshr32(~bvor32(~bvneg64(~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), ~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), 31bv32))) == \result) [2022-11-16 11:44:10,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:44:10,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:44:10,817 INFO L158 Benchmark]: Toolchain (without parser) took 6077.66ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 59.2MB in the beginning and 59.6MB in the end (delta: -398.9kB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-16 11:44:10,817 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:44:10,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.74ms. Allocated memory is still 75.5MB. Free memory was 59.0MB in the beginning and 58.0MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:44:10,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.86ms. Allocated memory is still 75.5MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:44:10,818 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 75.5MB. Free memory was 56.1MB in the beginning and 54.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:44:10,819 INFO L158 Benchmark]: RCFGBuilder took 1937.68ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 37.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:44:10,821 INFO L158 Benchmark]: TraceAbstraction took 3465.21ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 37.3MB in the beginning and 63.2MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:44:10,821 INFO L158 Benchmark]: Witness Printer took 83.52ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 59.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:44:10,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.74ms. Allocated memory is still 75.5MB. Free memory was 59.0MB in the beginning and 58.0MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.86ms. Allocated memory is still 75.5MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 75.5MB. Free memory was 56.1MB in the beginning and 54.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1937.68ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 37.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3465.21ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 37.3MB in the beginning and 63.2MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.52ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 59.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. 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[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 109]: 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 218 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 52 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 98 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 11 NumberOfFragments, 152 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 13 QuantifiedInterpolants, 509 SizeOfPredicates, 26 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 83]: Loop Invariant [2022-11-16 11:44:10,855 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,855 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,855 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,855 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,856 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,856 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,861 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,861 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,863 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,863 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,864 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,864 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,864 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,864 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,864 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,864 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,865 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,865 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,865 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,865 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,865 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,866 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,866 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-16 11:44:10,866 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && ~bvadd64(1bv32, ~bvneg64(~bvlshr32(~bvor32(~bvneg64(~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), ~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), 31bv32))) == \result) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant [2022-11-16 11:44:10,867 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,867 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,867 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,868 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,869 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,869 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,869 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,869 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,869 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,870 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,870 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,871 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,871 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,871 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,871 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,871 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,871 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,872 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,872 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,872 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,872 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,872 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 18]: Loop Invariant [2022-11-16 11:44:10,875 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,876 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,876 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,876 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,876 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,876 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,877 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,877 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,877 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,877 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,877 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,878 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant [2022-11-16 11:44:10,878 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,878 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,879 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:44:10,879 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,879 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:44:10,879 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-11-16 11:44:10,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9ce07c-942f-4457-8438-f66e466888c0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE