./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:53:38,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:53:38,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:53:38,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:53:38,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:53:38,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:53:38,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:53:38,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:53:38,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:53:38,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:53:38,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:53:38,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:53:38,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:53:38,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:53:38,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:53:38,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:53:38,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:53:38,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:53:38,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:53:38,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:53:38,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:53:38,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:53:38,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:53:38,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:53:38,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:53:38,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:53:38,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:53:38,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:53:38,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:53:38,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:53:38,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:53:38,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:53:38,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:53:38,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:53:38,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:53:38,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:53:38,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:53:38,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:53:38,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:53:38,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:53:38,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:53:38,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 15:53:38,083 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:53:38,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:53:38,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:53:38,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:53:38,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:53:38,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:53:38,084 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:53:38,084 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:53:38,084 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:53:38,085 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:53:38,085 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:53:38,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:53:38,085 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:53:38,085 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:53:38,085 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:53:38,085 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:53:38,085 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:53:38,086 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:53:38,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:53:38,086 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:53:38,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:53:38,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:53:38,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:53:38,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:53:38,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:53:38,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:53:38,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:53:38,089 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_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c [2022-12-14 15:53:38,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:53:38,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:53:38,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:53:38,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:53:38,266 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:53:38,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2022-12-14 15:53:40,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:53:41,043 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:53:41,044 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2022-12-14 15:53:41,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data/bf8f831d8/9c836d12036f4b28af789ff01970f204/FLAG57e09018f [2022-12-14 15:53:41,064 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data/bf8f831d8/9c836d12036f4b28af789ff01970f204 [2022-12-14 15:53:41,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:53:41,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:53:41,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:53:41,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:53:41,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:53:41,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60914923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41, skipping insertion in model container [2022-12-14 15:53:41,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:53:41,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:53:41,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2022-12-14 15:53:41,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:53:41,294 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:53:41,338 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2022-12-14 15:53:41,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:53:41,353 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:53:41,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41 WrapperNode [2022-12-14 15:53:41,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:53:41,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:53:41,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:53:41,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:53:41,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,398 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 219 [2022-12-14 15:53:41,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:53:41,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:53:41,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:53:41,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:53:41,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,436 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:53:41,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:53:41,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:53:41,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:53:41,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (1/1) ... [2022-12-14 15:53:41,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:53:41,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:53:41,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:53:41,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:53:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:53:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:53:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:53:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-14 15:53:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:53:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-12-14 15:53:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-12-14 15:53:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-14 15:53:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-12-14 15:53:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-12-14 15:53:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:53:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:53:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:53:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-12-14 15:53:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:53:41,578 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:53:41,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:53:41,930 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:53:41,973 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:53:41,974 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 15:53:41,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:53:41 BoogieIcfgContainer [2022-12-14 15:53:41,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:53:41,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:53:41,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:53:41,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:53:41,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:53:41" (1/3) ... [2022-12-14 15:53:41,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b4848e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:53:41, skipping insertion in model container [2022-12-14 15:53:41,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:41" (2/3) ... [2022-12-14 15:53:41,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b4848e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:53:41, skipping insertion in model container [2022-12-14 15:53:41,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:53:41" (3/3) ... [2022-12-14 15:53:41,994 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2022-12-14 15:53:42,012 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:53:42,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:53:42,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:53:42,058 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=FINITE_AUTOMATA, 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;@1b11dd47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:53:42,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:53:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 64 states have (on average 1.703125) internal successors, (109), 65 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 15:53:42,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 15:53:42,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:53:42,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:53:42,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:53:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:53:42,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2118839983, now seen corresponding path program 1 times [2022-12-14 15:53:42,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:53:42,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533905979] [2022-12-14 15:53:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:53:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:53:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:53:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:53:42,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:53:42,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533905979] [2022-12-14 15:53:42,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533905979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:53:42,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:53:42,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:53:42,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183114256] [2022-12-14 15:53:42,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:53:42,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:53:42,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:53:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:53:42,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:53:42,280 INFO L87 Difference]: Start difference. First operand has 72 states, 64 states have (on average 1.703125) internal successors, (109), 65 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:53:42,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:53:42,328 INFO L93 Difference]: Finished difference Result 142 states and 235 transitions. [2022-12-14 15:53:42,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:53:42,330 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 15:53:42,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:53:42,338 INFO L225 Difference]: With dead ends: 142 [2022-12-14 15:53:42,338 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 15:53:42,340 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 [2022-12-14 15:53:42,343 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:53:42,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:53:42,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 15:53:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-14 15:53:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 62 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 15:53:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2022-12-14 15:53:42,382 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 10 [2022-12-14 15:53:42,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:53:42,382 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2022-12-14 15:53:42,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:53:42,383 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-12-14 15:53:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 15:53:42,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:53:42,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:53:42,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:53:42,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:53:42,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:53:42,385 INFO L85 PathProgramCache]: Analyzing trace with hash 432971096, now seen corresponding path program 1 times [2022-12-14 15:53:42,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:53:42,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684106430] [2022-12-14 15:53:42,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:53:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:53:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:53:42,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:53:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:53:42,571 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:53:42,571 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:53:42,572 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 15:53:42,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:53:42,576 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 15:53:42,579 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:53:42,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:53:42 BoogieIcfgContainer [2022-12-14 15:53:42,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:53:42,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:53:42,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:53:42,598 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:53:42,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:53:41" (3/4) ... [2022-12-14 15:53:42,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:53:42,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:53:42,602 INFO L158 Benchmark]: Toolchain (without parser) took 1533.77ms. Allocated memory is still 121.6MB. Free memory was 66.5MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2022-12-14 15:53:42,602 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:53:42,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.87ms. Allocated memory is still 121.6MB. Free memory was 66.3MB in the beginning and 89.3MB in the end (delta: -22.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-12-14 15:53:42,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.80ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 86.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:53:42,603 INFO L158 Benchmark]: Boogie Preprocessor took 43.17ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 83.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:53:42,603 INFO L158 Benchmark]: RCFGBuilder took 533.50ms. Allocated memory is still 121.6MB. Free memory was 83.9MB in the beginning and 52.2MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 15:53:42,603 INFO L158 Benchmark]: TraceAbstraction took 618.98ms. Allocated memory is still 121.6MB. Free memory was 51.3MB in the beginning and 65.3MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:53:42,604 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 121.6MB. Free memory was 65.3MB in the beginning and 64.9MB in the end (delta: 479.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:53:42,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.87ms. Allocated memory is still 121.6MB. Free memory was 66.3MB in the beginning and 89.3MB in the end (delta: -22.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.80ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 86.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.17ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 83.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.50ms. Allocated memory is still 121.6MB. Free memory was 83.9MB in the beginning and 52.2MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 618.98ms. Allocated memory is still 121.6MB. Free memory was 51.3MB in the beginning and 65.3MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 121.6MB. Free memory was 65.3MB in the beginning and 64.9MB in the end (delta: 479.2kB). 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: 262]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L253] double x = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y < 0.0 [L258] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435073, ix=2146435073, lx=-4609434222908669951, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435073, hy=10, ix=2146435073, iy=0, lx=-4609434222908669951, ly=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435073, hy=10, ix=2146435073, iy=0, lx=-4609434222908669951, ly=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L258] RET, EXPR __ieee754_atan2(y, x) [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L262] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 89 mSDtfsCounter, 11 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=72occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 15:53:42,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:53:44,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:53:44,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:53:44,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:53:44,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:53:44,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:53:44,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:53:44,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:53:44,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:53:44,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:53:44,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:53:44,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:53:44,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:53:44,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:53:44,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:53:44,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:53:44,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:53:44,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:53:44,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:53:44,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:53:44,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:53:44,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:53:44,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:53:44,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:53:44,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:53:44,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:53:44,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:53:44,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:53:44,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:53:44,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:53:44,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:53:44,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:53:44,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:53:44,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:53:44,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:53:44,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:53:44,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:53:44,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:53:44,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:53:44,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:53:44,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:53:44,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 15:53:44,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:53:44,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:53:44,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:53:44,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:53:44,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:53:44,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:53:44,261 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:53:44,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:53:44,261 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:53:44,261 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:53:44,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:53:44,262 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:53:44,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:53:44,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:53:44,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:53:44,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:53:44,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:53:44,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:53:44,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:53:44,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:53:44,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:53:44,264 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:53:44,264 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:53:44,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:53:44,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:53:44,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:53:44,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:53:44,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:53:44,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:53:44,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:53:44,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:53:44,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:53:44,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:53:44,267 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:53:44,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:53:44,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:53:44,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:53:44,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:53:44,267 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_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c [2022-12-14 15:53:44,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:53:44,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:53:44,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:53:44,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:53:44,513 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:53:44,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2022-12-14 15:53:47,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:53:47,300 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:53:47,300 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2022-12-14 15:53:47,306 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data/7f0bd7e94/7997d8d1c8f84b1e8e2c18d8994cb49d/FLAG17152edb7 [2022-12-14 15:53:47,317 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/data/7f0bd7e94/7997d8d1c8f84b1e8e2c18d8994cb49d [2022-12-14 15:53:47,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:53:47,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:53:47,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:53:47,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:53:47,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:53:47,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447d9f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47, skipping insertion in model container [2022-12-14 15:53:47,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:53:47,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:53:47,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2022-12-14 15:53:47,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:53:47,523 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:53:47,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c[6225,6238] [2022-12-14 15:53:47,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:53:47,599 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:53:47,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47 WrapperNode [2022-12-14 15:53:47,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:53:47,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:53:47,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:53:47,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:53:47,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,633 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 220 [2022-12-14 15:53:47,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:53:47,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:53:47,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:53:47,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:53:47,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:53:47,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:53:47,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:53:47,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:53:47,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (1/1) ... [2022-12-14 15:53:47,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:53:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:53:47,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:53:47,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:53:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:53:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-12-14 15:53:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-12-14 15:53:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 15:53:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:53:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-12-14 15:53:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-12-14 15:53:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-12-14 15:53:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-12-14 15:53:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-12-14 15:53:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 15:53:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:53:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:53:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 15:53:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:53:47,818 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:53:47,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:54:10,171 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:54:10,177 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:54:10,177 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 15:54:10,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:54:10 BoogieIcfgContainer [2022-12-14 15:54:10,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:54:10,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:54:10,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:54:10,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:54:10,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:53:47" (1/3) ... [2022-12-14 15:54:10,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2313c46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:54:10, skipping insertion in model container [2022-12-14 15:54:10,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:53:47" (2/3) ... [2022-12-14 15:54:10,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2313c46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:54:10, skipping insertion in model container [2022-12-14 15:54:10,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:54:10" (3/3) ... [2022-12-14 15:54:10,186 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2022-12-14 15:54:10,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:54:10,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:54:10,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:54:10,241 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=FINITE_AUTOMATA, 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;@5b83a634, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:54:10,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:54:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 80 states have (on average 1.675) internal successors, (134), 81 states have internal predecessors, (134), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 15:54:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 15:54:10,249 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:54:10,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:54:10,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:54:10,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:54:10,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1510954264, now seen corresponding path program 1 times [2022-12-14 15:54:10,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:54:10,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706794480] [2022-12-14 15:54:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:54:10,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:54:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:54:10,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:54:10,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 15:54:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:54:10,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 15:54:10,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:54:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:54:10,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:54:10,589 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:54:10,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706794480] [2022-12-14 15:54:10,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706794480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:54:10,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:54:10,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:54:10,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680572424] [2022-12-14 15:54:10,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:54:10,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:54:10,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:54:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:54:10,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:54:10,616 INFO L87 Difference]: Start difference. First operand has 88 states, 80 states have (on average 1.675) internal successors, (134), 81 states have internal predecessors, (134), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:54:10,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:54:10,639 INFO L93 Difference]: Finished difference Result 173 states and 284 transitions. [2022-12-14 15:54:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:54:10,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 15:54:10,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:54:10,646 INFO L225 Difference]: With dead ends: 173 [2022-12-14 15:54:10,646 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 15:54:10,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:54:10,651 INFO L413 NwaCegarLoop]: 125 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, 125 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 [2022-12-14 15:54:10,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:54:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 15:54:10,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-12-14 15:54:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 15:54:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2022-12-14 15:54:10,681 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 11 [2022-12-14 15:54:10,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:54:10,682 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2022-12-14 15:54:10,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:54:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2022-12-14 15:54:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 15:54:10,682 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:54:10,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:54:10,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:54:10,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:54:10,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:54:10,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:54:10,887 INFO L85 PathProgramCache]: Analyzing trace with hash 370347393, now seen corresponding path program 1 times [2022-12-14 15:54:10,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:54:10,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653821814] [2022-12-14 15:54:10,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:54:10,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:54:10,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:54:10,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:54:10,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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 [2022-12-14 15:54:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:54:11,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 15:54:11,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:54:11,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2022-12-14 15:54:12,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2022-12-14 15:54:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:54:14,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:54:14,201 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:54:14,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653821814] [2022-12-14 15:54:14,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653821814] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:54:14,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:54:14,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 15:54:14,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314254088] [2022-12-14 15:54:14,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:54:14,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 15:54:14,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:54:14,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 15:54:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:54:14,203 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2022-12-14 15:54:17,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:22,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:29,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:36,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:38,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:41,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:43,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:46,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:48,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:54:48,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:54:48,574 INFO L93 Difference]: Finished difference Result 137 states and 192 transitions. [2022-12-14 15:54:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:54:48,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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 [2022-12-14 15:54:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:54:48,578 INFO L225 Difference]: With dead ends: 137 [2022-12-14 15:54:48,578 INFO L226 Difference]: Without dead ends: 67 [2022-12-14 15:54:48,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=45, Invalid=109, Unknown=2, NotChecked=0, Total=156 [2022-12-14 15:54:48,580 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 147 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 14 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:54:48,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 355 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 80 Invalid, 7 Unknown, 0 Unchecked, 26.6s Time] [2022-12-14 15:54:48,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-14 15:54:48,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-12-14 15:54:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 60 states have internal predecessors, (79), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 15:54:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 87 transitions. [2022-12-14 15:54:48,589 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 87 transitions. Word has length 13 [2022-12-14 15:54:48,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:54:48,589 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 87 transitions. [2022-12-14 15:54:48,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2022-12-14 15:54:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2022-12-14 15:54:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 15:54:48,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:54:48,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:54:48,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 15:54:48,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:54:48,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:54:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:54:48,793 INFO L85 PathProgramCache]: Analyzing trace with hash 639744913, now seen corresponding path program 1 times [2022-12-14 15:54:48,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:54:48,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492217286] [2022-12-14 15:54:48,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:54:48,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:54:48,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:54:48,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:54:48,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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 [2022-12-14 15:54:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:54:49,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 15:54:49,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:54:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:54:54,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:54:54,542 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:54:54,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492217286] [2022-12-14 15:54:54,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492217286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:54:54,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:54:54,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:54:54,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856118581] [2022-12-14 15:54:54,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:54:54,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 15:54:54,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:54:54,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 15:54:54,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:54:54,545 INFO L87 Difference]: Start difference. First operand 67 states and 87 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2022-12-14 15:54:59,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:02,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:04,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:06,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:08,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:16,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:17,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:19,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:22,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:24,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:26,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:28,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:31,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:35,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:38,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:41,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:44,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:46,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 15:55:47,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:55:47,566 INFO L93 Difference]: Finished difference Result 115 states and 146 transitions. [2022-12-14 15:55:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:55:47,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) Word has length 16 [2022-12-14 15:55:47,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:55:47,591 INFO L225 Difference]: With dead ends: 115 [2022-12-14 15:55:47,591 INFO L226 Difference]: Without dead ends: 111 [2022-12-14 15:55:47,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:55:47,592 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 97 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:55:47,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 304 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 15 Unknown, 0 Unchecked, 49.9s Time] [2022-12-14 15:55:47,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-12-14 15:55:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 90. [2022-12-14 15:55:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 80 states have (on average 1.2875) internal successors, (103), 81 states have internal predecessors, (103), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 15:55:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 114 transitions. [2022-12-14 15:55:47,604 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 114 transitions. Word has length 16 [2022-12-14 15:55:47,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:55:47,604 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 114 transitions. [2022-12-14 15:55:47,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2022-12-14 15:55:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2022-12-14 15:55:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 15:55:47,605 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:55:47,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:55:47,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 15:55:47,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:55:47,807 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:55:47,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:55:47,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1087523227, now seen corresponding path program 1 times [2022-12-14 15:55:47,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:55:47,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392684374] [2022-12-14 15:55:47,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:55:47,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:55:47,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:55:47,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:55:47,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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 [2022-12-14 15:55:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:55:48,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 15:55:48,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:55:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:55:50,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:55:50,754 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:55:50,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392684374] [2022-12-14 15:55:50,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392684374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:55:50,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:55:50,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 15:55:50,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111571595] [2022-12-14 15:55:50,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:55:50,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 15:55:50,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:55:50,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 15:55:50,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:55:50,756 INFO L87 Difference]: Start difference. First operand 90 states and 114 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:55:53,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:55:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:55:57,605 INFO L93 Difference]: Finished difference Result 111 states and 136 transitions. [2022-12-14 15:55:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:55:57,606 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 21 [2022-12-14 15:55:57,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:55:57,607 INFO L225 Difference]: With dead ends: 111 [2022-12-14 15:55:57,607 INFO L226 Difference]: Without dead ends: 68 [2022-12-14 15:55:57,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-14 15:55:57,608 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 93 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:55:57,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 296 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 15:55:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-14 15:55:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-14 15:55:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 61 states have internal predecessors, (75), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 15:55:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2022-12-14 15:55:57,614 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 21 [2022-12-14 15:55:57,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:55:57,614 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2022-12-14 15:55:57,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:55:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2022-12-14 15:55:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 15:55:57,615 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:55:57,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:55:57,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 15:55:57,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:55:57,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:55:57,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:55:57,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1388850208, now seen corresponding path program 1 times [2022-12-14 15:55:57,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:55:57,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085210923] [2022-12-14 15:55:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:55:57,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:55:57,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:55:57,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:55:57,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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 (6)] Waiting until timeout for monitored process [2022-12-14 15:55:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:55:58,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 15:55:58,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:55:59,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2022-12-14 15:56:00,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-12-14 15:56:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:56:11,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:56:11,834 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:56:11,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085210923] [2022-12-14 15:56:11,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085210923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:11,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:11,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 15:56:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574259861] [2022-12-14 15:56:11,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:11,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 15:56:11,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:56:11,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 15:56:11,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=85, Unknown=2, NotChecked=0, Total=110 [2022-12-14 15:56:11,836 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:20,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:56:27,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:56:32,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:56:35,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 15:56:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:35,952 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2022-12-14 15:56:36,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:56:36,027 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 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 23 [2022-12-14 15:56:36,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:36,028 INFO L225 Difference]: With dead ends: 72 [2022-12-14 15:56:36,028 INFO L226 Difference]: Without dead ends: 68 [2022-12-14 15:56:36,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=72, Invalid=198, Unknown=2, NotChecked=0, Total=272 [2022-12-14 15:56:36,030 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 103 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:36,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 379 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 18.5s Time] [2022-12-14 15:56:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-14 15:56:36,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-14 15:56:36,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 61 states have internal predecessors, (74), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 15:56:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2022-12-14 15:56:36,041 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 23 [2022-12-14 15:56:36,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:36,041 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2022-12-14 15:56:36,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2022-12-14 15:56:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 15:56:36,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:56:36,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:56:36,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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 (6)] Ended with exit code 0 [2022-12-14 15:56:36,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:56:36,244 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:56:36,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:56:36,245 INFO L85 PathProgramCache]: Analyzing trace with hash -103017795, now seen corresponding path program 1 times [2022-12-14 15:56:36,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 15:56:36,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574000679] [2022-12-14 15:56:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:56:36,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:56:36,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 15:56:36,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 15:56:36,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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 (7)] Waiting until timeout for monitored process [2022-12-14 15:56:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:56:36,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 15:56:36,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:56:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:56:39,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:56:39,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 15:56:39,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574000679] [2022-12-14 15:56:39,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574000679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:56:39,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:56:39,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:56:39,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121390999] [2022-12-14 15:56:39,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:56:39,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:56:39,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 15:56:39,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:56:39,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:56:39,097 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:40,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:56:40,179 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2022-12-14 15:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:56:40,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 24 [2022-12-14 15:56:40,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:56:40,181 INFO L225 Difference]: With dead ends: 68 [2022-12-14 15:56:40,181 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 15:56:40,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:56:40,182 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 26 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:56:40,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 15 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:56:40,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 15:56:40,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 15:56:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 15:56:40,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-12-14 15:56:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:56:40,184 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 15:56:40,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:56:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 15:56:40,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 15:56:40,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 15:56:40,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/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 (7)] Ended with exit code 0 [2022-12-14 15:56:40,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 15:56:40,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 15:56:46,414 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2022-12-14 15:56:46,415 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 26 31) the Hoare annotation is: true [2022-12-14 15:56:46,415 INFO L899 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2022-12-14 15:56:46,415 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2022-12-14 15:56:46,415 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-12-14 15:56:46,415 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-12-14 15:56:46,415 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 19 33) the Hoare annotation is: true [2022-12-14 15:56:46,415 INFO L899 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 19 33) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2022-12-14 15:56:46,416 INFO L899 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L902 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 134) the Hoare annotation is: true [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2022-12-14 15:56:46,417 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L899 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L899 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L899 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 246 268) the Hoare annotation is: true [2022-12-14 15:56:46,418 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2022-12-14 15:56:46,418 INFO L895 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2022-12-14 15:56:46,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 15:56:46,419 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2022-12-14 15:56:46,419 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2022-12-14 15:56:46,419 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-12-14 15:56:46,419 INFO L895 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (exists ((|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|) |ULTIMATE.start___ieee754_atan2_~hy~0#1|) (fp.lt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|)) (_ +zero 11 53)) (= |ULTIMATE.start___ieee754_atan2_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_24|)))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) |ULTIMATE.start___ieee754_atan2_~ix~1#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) .cse0))) (fp.lt |ULTIMATE.start___ieee754_atan2_~y#1| (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)) |ULTIMATE.start___ieee754_atan2_~iy~0#1|) (fp.lt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|)) (_ +zero 11 53)) (= |ULTIMATE.start___ieee754_atan2_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_24|)))) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___ieee754_atan2_~x#1| .cse0) (= ~pi_o_2~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 785398163397448279.0 500000000000000000.0))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_atan2_#res#1| (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))))) [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 264) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2022-12-14 15:56:46,420 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2022-12-14 15:56:46,420 INFO L895 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L262(line 262) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2022-12-14 15:56:46,421 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2022-12-14 15:56:46,422 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (fp.lt |ULTIMATE.start___ieee754_atan2_~y#1| (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) .cse0) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_41|) |ULTIMATE.start___ieee754_atan2_~lx~0#1|) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|))))) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___ieee754_atan2_~x#1| .cse0) (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) .cse1) (= |ULTIMATE.start___ieee754_atan2_~hx~1#1| .cse1) (= .cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|)))))) (= currentRoundingMode roundNearestTiesToEven))) [2022-12-14 15:56:46,422 INFO L899 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2022-12-14 15:56:46,422 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 262) no Hoare annotation was computed. [2022-12-14 15:56:46,422 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2022-12-14 15:56:46,422 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-12-14 15:56:46,422 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2022-12-14 15:56:46,422 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L895 garLoopResultBuilder]: At program point L231-1(lines 231 236) the Hoare annotation is: false [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 265) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 265) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2022-12-14 15:56:46,423 INFO L895 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (fp.lt |ULTIMATE.start___ieee754_atan2_~y#1| (_ +zero 11 53)) (= ~pi_o_2~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 500000000000000000.0))) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___ieee754_atan2_~x#1| .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2022-12-14 15:56:46,423 INFO L899 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2022-12-14 15:56:46,424 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-12-14 15:56:46,424 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2022-12-14 15:56:46,424 INFO L899 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2022-12-14 15:56:46,424 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2022-12-14 15:56:46,424 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-12-14 15:56:46,424 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2022-12-14 15:56:46,424 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2022-12-14 15:56:46,428 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 15:56:46,430 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:56:46,437 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,440 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,442 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,442 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,442 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,442 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,442 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,442 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,445 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,446 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,446 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,447 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,448 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,449 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,449 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,451 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,452 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,453 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,453 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,454 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,454 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,454 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,455 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,455 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,455 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,455 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,456 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,456 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,456 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,456 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,456 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,457 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,457 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,457 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,457 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,457 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,458 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:56:46 BoogieIcfgContainer [2022-12-14 15:56:46,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:56:46,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:56:46,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:56:46,460 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:56:46,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:54:10" (3/4) ... [2022-12-14 15:56:46,464 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 15:56:46,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2022-12-14 15:56:46,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2022-12-14 15:56:46,473 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 15:56:46,473 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 15:56:46,473 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 15:56:46,473 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 15:56:46,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_41 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_41[63:63], v_skolemized_q#valueAsBitvector_41[62:52], v_skolemized_q#valueAsBitvector_41[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_41[31:0] == lx) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_41[63:32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11 : bv32 :: (v_skolemized_q#valueAsBitvector_36[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11][4bv32] && hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11][4bv32]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-12-14 15:56:46,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists v_skolemized_q#valueAsBitvector_24 : bv64 :: (v_skolemized_q#valueAsBitvector_24[63:32] == hy && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]), ~Pluszero~LONGDOUBLE())) && ly == v_skolemized_q#valueAsBitvector_24[31:0])) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_24 : bv64 :: (~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_24[63:32]) == iy && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]), ~Pluszero~LONGDOUBLE())) && ly == v_skolemized_q#valueAsBitvector_24[31:0])) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) [2022-12-14 15:56:46,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:56:46,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:56:46,508 INFO L158 Benchmark]: Toolchain (without parser) took 179188.69ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 30.2MB in the end (delta: 11.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-12-14 15:56:46,508 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.7MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:56:46,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.67ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.4MB in the end (delta: -150.3kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 15:56:46,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.44ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 38.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:56:46,509 INFO L158 Benchmark]: Boogie Preprocessor took 31.22ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 36.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:56:46,509 INFO L158 Benchmark]: RCFGBuilder took 22513.81ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 32.6MB in the end (delta: 3.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-12-14 15:56:46,509 INFO L158 Benchmark]: TraceAbstraction took 156278.73ms. Allocated memory is still 62.9MB. Free memory was 32.1MB in the beginning and 36.2MB in the end (delta: -4.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-12-14 15:56:46,509 INFO L158 Benchmark]: Witness Printer took 47.94ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 30.2MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 15:56:46,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.7MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.67ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.4MB in the end (delta: -150.3kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.44ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 38.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.22ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 36.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 22513.81ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 32.6MB in the end (delta: 3.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 156278.73ms. Allocated memory is still 62.9MB. Free memory was 32.1MB in the beginning and 36.2MB in the end (delta: -4.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 47.94ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 30.2MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,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[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,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[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,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 * 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: 262]: 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 3 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 156.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 119.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 mSolverCounterUnknown, 466 SdHoareTripleChecker+Valid, 100.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 466 mSDsluCounter, 1474 SdHoareTripleChecker+Invalid, 95.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1079 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 284 IncrementalHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 395 mSDtfsCounter, 284 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 33.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=3, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 50 PreInvPairs, 54 NumberOfFragments, 204 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 107 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 26.8s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 102 ConstructedInterpolants, 49 QuantifiedInterpolants, 1629 SizeOfPredicates, 49 NumberOfNonLiveVariables, 833 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 149]: Loop Invariant [2022-12-14 15:56:46,517 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,517 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,518 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,519 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,519 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,519 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,519 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_41,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11,QUANTIFIED] [2022-12-14 15:56:46,520 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,521 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,521 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2022-12-14 15:56:46,521 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_41 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_41[63:63], v_skolemized_q#valueAsBitvector_41[62:52], v_skolemized_q#valueAsBitvector_41[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_41[31:0] == lx) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_41[63:32]))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/500000000000000000)) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_36 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11 : bv32 :: (v_skolemized_q#valueAsBitvector_36[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11][4bv32] && hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_11][4bv32]) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant [2022-12-14 15:56:46,521 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,521 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,522 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,523 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,524 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,524 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,524 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,524 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,524 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,525 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_24,QUANTIFIED] [2022-12-14 15:56:46,526 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,526 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,526 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 15:56:46,526 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && (\exists v_skolemized_q#valueAsBitvector_24 : bv64 :: (v_skolemized_q#valueAsBitvector_24[63:32] == hy && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]), ~Pluszero~LONGDOUBLE())) && ly == v_skolemized_q#valueAsBitvector_24[31:0])) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_24 : bv64 :: (~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_24[63:32]) == iy && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_24[63:63], v_skolemized_q#valueAsBitvector_24[62:52], v_skolemized_q#valueAsBitvector_24[51:0]), ~Pluszero~LONGDOUBLE())) && ly == v_skolemized_q#valueAsBitvector_24[31:0])) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 785398163397448279/500000000000000000)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 15:56:46,730 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-14 15:56:46,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a94236c-eac7-41d1-9bbf-e39cfde2d1cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE