./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- 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-5e519f3 [2022-11-03 01:46:40,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:46:40,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:46:40,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:46:40,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:46:40,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:46:40,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:46:40,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:46:40,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:46:40,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:46:40,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:46:40,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:46:40,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:46:40,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:46:40,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:46:40,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:46:40,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:46:40,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:46:40,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:46:40,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:46:40,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:46:40,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:46:40,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:46:40,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:46:40,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:46:40,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:46:40,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:46:40,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:46:40,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:46:40,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:46:40,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:46:40,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:46:40,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:46:40,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:46:40,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:46:40,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:46:40,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:46:40,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:46:40,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:46:40,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:46:40,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:46:40,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:46:40,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:46:40,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:46:40,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:46:40,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:46:40,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:46:40,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:46:40,322 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:46:40,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:46:40,323 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:46:40,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:46:40,323 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:46:40,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:46:40,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:46:40,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:46:40,324 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:46:40,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:46:40,325 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:46:40,325 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:46:40,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:46:40,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:46:40,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:46:40,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:46:40,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:46:40,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:46:40,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:46:40,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:46:40,332 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:46:40,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:46:40,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:46:40,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:46:40,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:46:40,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:46:40,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:46:40,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:46:40,335 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:46:40,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:46:40,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:46:40,336 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:46:40,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:46:40,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:46:40,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:46:40,337 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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2022-11-03 01:46:40,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:46:40,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:46:40,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:46:40,685 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:46:40,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:46:40,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-03 01:46:40,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/6a4ec1b08/39e42e9095534059af889d833139cba9/FLAGbb7b12de1 [2022-11-03 01:46:41,325 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:46:41,325 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-03 01:46:41,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/6a4ec1b08/39e42e9095534059af889d833139cba9/FLAGbb7b12de1 [2022-11-03 01:46:41,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/6a4ec1b08/39e42e9095534059af889d833139cba9 [2022-11-03 01:46:41,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:46:41,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:46:41,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:46:41,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:46:41,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:46:41,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:41,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb3da47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41, skipping insertion in model container [2022-11-03 01:46:41,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:41,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:46:41,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:46:41,941 WARN L230 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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-03 01:46:41,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:46:41,957 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:46:41,980 WARN L230 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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-03 01:46:41,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:46:41,994 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:46:41,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41 WrapperNode [2022-11-03 01:46:41,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:46:41,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:46:41,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:46:41,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:46:42,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,056 INFO L138 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-03 01:46:42,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:46:42,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:46:42,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:46:42,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:46:42,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,090 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:46:42,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:46:42,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:46:42,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:46:42,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (1/1) ... [2022-11-03 01:46:42,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:46:42,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:46:42,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:46:42,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:46:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:46:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:46:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:46:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 01:46:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:46:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-03 01:46:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:46:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:46:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:46:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:46:42,330 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:46:42,332 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:46:42,688 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:46:42,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:46:42,705 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-03 01:46:42,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:42 BoogieIcfgContainer [2022-11-03 01:46:42,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:46:42,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:46:42,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:46:42,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:46:42,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:46:41" (1/3) ... [2022-11-03 01:46:42,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78630908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:46:42, skipping insertion in model container [2022-11-03 01:46:42,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:41" (2/3) ... [2022-11-03 01:46:42,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78630908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:46:42, skipping insertion in model container [2022-11-03 01:46:42,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:42" (3/3) ... [2022-11-03 01:46:42,731 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2022-11-03 01:46:42,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:46:42,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:46:42,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:46:42,872 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;@6ca30771, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:46:42,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:46:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 24 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:46:42,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:42,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:42,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:42,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:42,921 INFO L85 PathProgramCache]: Analyzing trace with hash -918965283, now seen corresponding path program 1 times [2022-11-03 01:46:42,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:42,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671728226] [2022-11-03 01:46:42,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:42,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:43,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:43,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671728226] [2022-11-03 01:46:43,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671728226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:43,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:43,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:46:43,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535066152] [2022-11-03 01:46:43,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:43,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:46:43,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:43,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:46:43,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:46:43,124 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 24 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:43,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:43,150 INFO L93 Difference]: Finished difference Result 49 states and 79 transitions. [2022-11-03 01:46:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:46:43,160 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 01:46:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:43,168 INFO L225 Difference]: With dead ends: 49 [2022-11-03 01:46:43,169 INFO L226 Difference]: Without dead ends: 23 [2022-11-03 01:46:43,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:46:43,178 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:43,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:46:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-03 01:46:43,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-03 01:46:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-03 01:46:43,225 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 10 [2022-11-03 01:46:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:43,226 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-03 01:46:43,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-03 01:46:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:46:43,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:43,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:43,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:46:43,230 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:43,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1507225320, now seen corresponding path program 1 times [2022-11-03 01:46:43,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:43,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819727571] [2022-11-03 01:46:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:43,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:46:43,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:46:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:46:43,419 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:46:43,420 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:46:43,422 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:46:43,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:46:43,432 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 01:46:43,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:46:43,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:46:43 BoogieIcfgContainer [2022-11-03 01:46:43,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:46:43,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:46:43,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:46:43,475 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:46:43,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:42" (3/4) ... [2022-11-03 01:46:43,478 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:46:43,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:46:43,480 INFO L158 Benchmark]: Toolchain (without parser) took 1807.03ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.3MB in the beginning and 72.6MB in the end (delta: -9.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-11-03 01:46:43,480 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:46:43,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.21ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 72.6MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:46:43,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.78ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 69.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:46:43,488 INFO L158 Benchmark]: Boogie Preprocessor took 38.87ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 67.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:46:43,491 INFO L158 Benchmark]: RCFGBuilder took 611.49ms. Allocated memory is still 98.6MB. Free memory was 67.2MB in the beginning and 46.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-03 01:46:43,492 INFO L158 Benchmark]: TraceAbstraction took 748.69ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 72.9MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:46:43,493 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 119.5MB. Free memory was 72.9MB in the beginning and 72.6MB in the end (delta: 318.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:46:43,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.21ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 72.6MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.78ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 69.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.87ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 67.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.49ms. Allocated memory is still 98.6MB. Free memory was 67.2MB in the beginning and 46.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 748.69ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 72.9MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 119.5MB. Free memory was 72.9MB in the beginning and 72.6MB in the end (delta: 318.5kB). 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: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 83, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L83] double x = -0.0; [L84] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=4294967305, x=4294967305] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967305, exponent_less_1023=1024, lsw=0, msw=-1, signbit=-4294967296, x=4294967305] [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=4294967305, exponent_less_1023=1024, lsw=0, msw=-1, signbit=-4294967296, x=4294967305] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=4294967305, exponent_less_1023=1024, lsw=0, msw=-1, signbit=-4294967296, x=4294967305] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=4294967305, exponent_less_1023=1024, lsw=0, msw=-1, signbit=-4294967296, x=4294967305] [L84] RET, EXPR trunc_double(x) [L84] double res = trunc_double(x); [L87] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=4294967304, res == -0.0 && __signbit_double(res) == 1=0, x=4294967305] [L87] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L88] reach_error() VAL [res=4294967304, x=4294967305] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 3 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=25occurred 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, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 01:46:43,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- 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-5e519f3 [2022-11-03 01:46:45,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:46:45,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:46:46,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:46:46,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:46:46,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:46:46,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:46:46,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:46:46,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:46:46,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:46:46,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:46:46,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:46:46,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:46:46,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:46:46,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:46:46,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:46:46,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:46:46,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:46:46,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:46:46,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:46:46,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:46:46,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:46:46,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:46:46,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:46:46,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:46:46,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:46:46,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:46:46,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:46:46,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:46:46,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:46:46,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:46:46,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:46:46,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:46:46,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:46:46,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:46:46,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:46:46,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:46:46,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:46:46,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:46:46,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:46:46,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:46:46,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 01:46:46,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:46:46,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:46:46,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:46:46,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:46:46,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:46:46,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:46:46,173 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:46:46,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:46:46,174 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:46:46,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:46:46,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:46:46,175 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:46:46,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:46:46,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:46:46,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:46:46,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:46:46,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:46:46,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:46:46,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:46:46,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:46:46,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:46:46,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:46:46,179 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:46:46,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:46:46,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:46:46,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:46:46,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:46:46,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:46:46,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:46:46,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:46:46,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:46:46,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:46:46,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:46:46,182 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:46:46,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:46:46,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:46:46,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:46:46,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:46:46,183 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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2022-11-03 01:46:46,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:46:46,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:46:46,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:46:46,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:46:46,668 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:46:46,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-03 01:46:46,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/95950e55e/0d2fb9bba8cb4051a7ccd94e35a9210c/FLAGcb5e8f4e4 [2022-11-03 01:46:47,349 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:46:47,354 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-03 01:46:47,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/95950e55e/0d2fb9bba8cb4051a7ccd94e35a9210c/FLAGcb5e8f4e4 [2022-11-03 01:46:47,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/data/95950e55e/0d2fb9bba8cb4051a7ccd94e35a9210c [2022-11-03 01:46:47,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:46:47,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:46:47,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:46:47,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:46:47,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:46:47,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:46:47" (1/1) ... [2022-11-03 01:46:47,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581aeed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:47, skipping insertion in model container [2022-11-03 01:46:47,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:46:47" (1/1) ... [2022-11-03 01:46:47,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:46:47,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:46:48,047 WARN L230 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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-03 01:46:48,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:46:48,071 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:46:48,121 WARN L230 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_51a22227-ff84-4c9d-b70f-49bac0ca72fd/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-03 01:46:48,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:46:48,164 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:46:48,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48 WrapperNode [2022-11-03 01:46:48,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:46:48,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:46:48,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:46:48,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:46:48,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,219 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-03 01:46:48,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:46:48,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:46:48,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:46:48,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:46:48,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:46:48,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:46:48,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:46:48,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:46:48,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (1/1) ... [2022-11-03 01:46:48,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:46:48,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:46:48,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:46:48,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:46:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:46:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-03 01:46:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-03 01:46:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 01:46:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:46:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 01:46:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:46:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:46:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 01:46:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:46:48,519 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:46:48,521 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:46:48,795 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:46:48,801 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:46:48,801 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-03 01:46:48,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:48 BoogieIcfgContainer [2022-11-03 01:46:48,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:46:48,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:46:48,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:46:48,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:46:48,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:46:47" (1/3) ... [2022-11-03 01:46:48,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152a2693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:46:48, skipping insertion in model container [2022-11-03 01:46:48,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:48" (2/3) ... [2022-11-03 01:46:48,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152a2693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:46:48, skipping insertion in model container [2022-11-03 01:46:48,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:48" (3/3) ... [2022-11-03 01:46:48,828 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2022-11-03 01:46:48,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:46:48,871 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:46:48,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:46:48,926 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;@1c74f79f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:46:48,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:46:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:46:48,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:48,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:48,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:48,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2022-11-03 01:46:48,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:48,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615940304] [2022-11-03 01:46:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:48,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:48,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:48,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:49,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:46:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:49,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 01:46:49,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:49,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:49,160 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:49,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615940304] [2022-11-03 01:46:49,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615940304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:49,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:49,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:46:49,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638820316] [2022-11-03 01:46:49,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:49,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:46:49,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:49,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:46:49,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:46:49,217 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) 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) [2022-11-03 01:46:49,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:49,243 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2022-11-03 01:46:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:46:49,246 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 [2022-11-03 01:46:49,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:49,256 INFO L225 Difference]: With dead ends: 54 [2022-11-03 01:46:49,256 INFO L226 Difference]: Without dead ends: 25 [2022-11-03 01:46:49,260 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 [2022-11-03 01:46:49,269 INFO L413 NwaCegarLoop]: 32 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, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:49,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:46:49,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-03 01:46:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-03 01:46:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-03 01:46:49,312 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2022-11-03 01:46:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:49,313 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-03 01:46:49,314 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) [2022-11-03 01:46:49,315 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-03 01:46:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:46:49,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:49,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:49,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 01:46:49,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:49,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:49,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2022-11-03 01:46:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:49,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253903609] [2022-11-03 01:46:49,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:49,540 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:49,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:49,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:49,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:46:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:49,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 01:46:49,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:49,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:49,849 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:49,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253903609] [2022-11-03 01:46:49,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253903609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:49,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:49,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:46:49,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062659263] [2022-11-03 01:46:49,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:49,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:46:49,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:49,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:46:49,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:46:49,853 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:49,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:49,917 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-11-03 01:46:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:46:49,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-03 01:46:49,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:49,919 INFO L225 Difference]: With dead ends: 35 [2022-11-03 01:46:49,919 INFO L226 Difference]: Without dead ends: 21 [2022-11-03 01:46:49,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:49,920 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:49,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-11-03 01:46:49,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-03 01:46:49,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-03 01:46:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-11-03 01:46:49,925 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2022-11-03 01:46:49,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:49,926 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-11-03 01:46:49,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-03 01:46:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:46:49,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:49,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:49,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:50,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:50,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:50,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2089944352, now seen corresponding path program 1 times [2022-11-03 01:46:50,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:50,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182628509] [2022-11-03 01:46:50,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:50,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:50,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:50,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:50,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 01:46:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:50,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 01:46:50,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:50,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:50,371 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:50,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182628509] [2022-11-03 01:46:50,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182628509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:50,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:50,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:46:50,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703096775] [2022-11-03 01:46:50,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:50,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:46:50,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:50,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:46:50,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:46:50,375 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:50,413 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2022-11-03 01:46:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:46:50,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-11-03 01:46:50,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:50,415 INFO L225 Difference]: With dead ends: 31 [2022-11-03 01:46:50,415 INFO L226 Difference]: Without dead ends: 19 [2022-11-03 01:46:50,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:50,417 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:50,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 53 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-11-03 01:46:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-03 01:46:50,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-03 01:46:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-03 01:46:50,422 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2022-11-03 01:46:50,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:50,423 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-11-03 01:46:50,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:50,423 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-03 01:46:50,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:46:50,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:50,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:50,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:50,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:50,644 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:50,645 INFO L85 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2022-11-03 01:46:50,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:50,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929193731] [2022-11-03 01:46:50,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:50,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:50,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:50,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:50,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 01:46:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:50,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 01:46:50,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:50,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:50,951 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:50,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929193731] [2022-11-03 01:46:50,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929193731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:50,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:50,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:50,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140499448] [2022-11-03 01:46:50,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:50,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:50,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:50,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:50,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:50,958 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:50,975 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2022-11-03 01:46:50,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:46:50,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-11-03 01:46:50,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:50,976 INFO L225 Difference]: With dead ends: 22 [2022-11-03 01:46:50,976 INFO L226 Difference]: Without dead ends: 19 [2022-11-03 01:46:50,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:50,981 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:50,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2022-11-03 01:46:50,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-03 01:46:50,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-03 01:46:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2022-11-03 01:46:50,990 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2022-11-03 01:46:50,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:50,991 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2022-11-03 01:46:50,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2022-11-03 01:46:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 01:46:50,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:50,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:51,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:51,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:51,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:51,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:51,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2022-11-03 01:46:51,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:51,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945677356] [2022-11-03 01:46:51,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:51,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:51,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:51,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 01:46:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:51,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-03 01:46:51,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:51,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:46:51,599 INFO L356 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2022-11-03 01:46:51,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2022-11-03 01:46:52,018 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 01:46:52,019 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 31 [2022-11-03 01:46:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:52,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:52,246 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:52,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945677356] [2022-11-03 01:46:52,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945677356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:52,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:52,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:46:52,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840949526] [2022-11-03 01:46:52,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:52,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:46:52,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:46:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:46:52,249 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:52,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:52,333 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2022-11-03 01:46:52,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:46:52,334 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 18 [2022-11-03 01:46:52,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:52,334 INFO L225 Difference]: With dead ends: 19 [2022-11-03 01:46:52,334 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:46:52,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:46:52,336 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:52,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 58 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 31 Unchecked, 0.0s Time] [2022-11-03 01:46:52,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:46:52,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:46:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:46:52,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-03 01:46:52,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:52,338 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:46:52,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:46:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:46:52,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:46:52,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:46:52,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:52,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:52,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:46:52,617 INFO L895 garLoopResultBuilder]: At program point L73(lines 64 74) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short12#1| (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|)) [2022-11-03 01:46:52,618 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 60) no Hoare annotation was computed. [2022-11-03 01:46:52,618 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 01:46:52,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 01:46:52,619 INFO L895 garLoopResultBuilder]: At program point L61(lines 19 62) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8|))) (let ((.cse1 (select .cse2 (_ bv4 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_trunc_double_#res#1|) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) .cse3) (= .cse1 (bvand .cse3 (_ bv2147483648 32))))))) (exists ((|ULTIMATE.start_trunc_double_~msw~0#1| (_ BitVec 32))) (= (let ((.cse4 (concat (bvand |ULTIMATE.start_trunc_double_~msw~0#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_trunc_double_#res#1|))) [2022-11-03 01:46:52,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 01:46:52,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2022-11-03 01:46:52,619 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2022-11-03 01:46:52,619 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) |ULTIMATE.start_trunc_double_~x#1|) [2022-11-03 01:46:52,619 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2022-11-03 01:46:52,619 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2022-11-03 01:46:52,619 INFO L899 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2022-11-03 01:46:52,620 INFO L895 garLoopResultBuilder]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2022-11-03 01:46:52,620 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 48) no Hoare annotation was computed. [2022-11-03 01:46:52,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:46:52,620 INFO L899 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2022-11-03 01:46:52,620 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2022-11-03 01:46:52,620 INFO L899 garLoopResultBuilder]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2022-11-03 01:46:52,620 INFO L895 garLoopResultBuilder]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2022-11-03 01:46:52,620 INFO L899 garLoopResultBuilder]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2022-11-03 01:46:52,620 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed. [2022-11-03 01:46:52,621 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2022-11-03 01:46:52,621 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2022-11-03 01:46:52,621 INFO L895 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short12#1| (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8|))) (let ((.cse1 (select .cse2 (_ bv4 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start___signbit_double_~x#1|) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) .cse3) (= .cse1 (bvand .cse3 (_ bv2147483648 32)))))))) [2022-11-03 01:46:52,621 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= (fp.neg (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) .cse0) (= |ULTIMATE.start_trunc_double_~signbit~0#1| (bvand .cse0 (_ bv2147483648 32)))))) [2022-11-03 01:46:52,622 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2022-11-03 01:46:52,622 INFO L902 garLoopResultBuilder]: At program point L92(lines 76 93) the Hoare annotation is: true [2022-11-03 01:46:52,622 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-03 01:46:52,625 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-03 01:46:52,636 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:46:52,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,657 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,658 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,658 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,658 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,658 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,659 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,660 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,661 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,664 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,666 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,666 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,667 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:46:52 BoogieIcfgContainer [2022-11-03 01:46:52,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:46:52,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:46:52,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:46:52,697 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:46:52,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:48" (3/4) ... [2022-11-03 01:46:52,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:46:52,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-03 01:46:52,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 01:46:52,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:46:52,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:46:52,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: (~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && signbit == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) [2022-11-03 01:46:52,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == \result) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) && (\exists ULTIMATE.start_trunc_double_~msw~0#1 : bv32 :: ~fp~LONGDOUBLE((~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[51:0]) == \result) [2022-11-03 01:46:52,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == x) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) [2022-11-03 01:46:52,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-res == -0.0 && __signbit_double(res) == 1-aux && 1bv32 == \result [2022-11-03 01:46:52,761 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:46:52,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:46:52,762 INFO L158 Benchmark]: Toolchain (without parser) took 4993.75ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 31.8MB in the beginning and 43.5MB in the end (delta: -11.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-03 01:46:52,763 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:46:52,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.19ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 49.3MB in the end (delta: -17.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:46:52,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.56ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:46:52,764 INFO L158 Benchmark]: Boogie Preprocessor took 81.34ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 45.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:46:52,764 INFO L158 Benchmark]: RCFGBuilder took 494.94ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 31.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 01:46:52,765 INFO L158 Benchmark]: TraceAbstraction took 3874.41ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 49.7MB in the beginning and 47.0MB in the end (delta: 2.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-11-03 01:46:52,765 INFO L158 Benchmark]: Witness Printer took 64.68ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 43.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:46:52,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.19ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 49.3MB in the end (delta: -17.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.56ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.34ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 45.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 494.94ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 31.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3874.41ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 49.7MB in the beginning and 47.0MB in the end (delta: 2.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 64.68ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 43.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 56 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 210 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 25 QuantifiedInterpolants, 857 SizeOfPredicates, 32 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 19]: Loop Invariant [2022-11-03 01:46:52,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,804 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-11-03 01:46:52,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == \result) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) && (\exists ULTIMATE.start_trunc_double_~msw~0#1 : bv32 :: ~fp~LONGDOUBLE((~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[51:0]) == \result) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: aux-res == -0.0 && __signbit_double(res) == 1-aux && 1bv32 == \result - InvariantResult [Line: 67]: Loop Invariant [2022-11-03 01:46:52,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,810 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,811 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-11-03 01:46:52,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] Derived loop invariant: aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == x) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) - InvariantResult [Line: 34]: Loop Invariant [2022-11-03 01:46:52,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-11-03 01:46:52,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-11-03 01:46:52,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: (~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0]) && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && signbit == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 01:46:52,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a22227-ff84-4c9d-b70f-49bac0ca72fd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE