./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba --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 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a --- 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-b5237d8 [2022-11-22 02:35:18,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:35:18,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:35:18,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:35:18,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:35:18,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:35:18,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:35:18,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:35:18,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:35:18,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:35:18,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:35:18,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:35:18,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:35:18,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:35:18,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:35:18,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:35:18,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:35:18,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:35:18,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:35:18,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:35:18,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:35:18,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:35:18,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:35:18,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:35:18,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:35:18,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:35:18,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:35:18,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:35:18,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:35:18,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:35:18,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:35:18,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:35:18,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:35:18,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:35:18,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:35:18,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:35:18,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:35:18,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:35:18,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:35:18,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:35:18,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:35:18,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 02:35:18,972 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:35:18,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:35:18,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:35:18,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:35:18,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:35:18,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:35:18,975 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:35:18,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:35:18,975 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:35:18,975 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:35:18,977 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:35:18,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:35:18,996 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:35:18,996 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:35:18,997 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:35:18,997 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:35:18,997 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:35:18,998 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:35:18,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:35:18,999 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:35:18,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:35:18,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:35:19,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:35:19,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:35:19,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:35:19,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:35:19,002 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:35:19,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:35:19,003 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:35:19,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:35:19,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:35:19,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:35:19,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:35:19,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:35:19,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:35:19,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:35:19,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:35:19,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:35:19,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:35:19,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:35:19,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:35:19,007 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_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a [2022-11-22 02:35:19,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:35:19,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:35:19,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:35:19,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:35:19,337 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:35:19,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-22 02:35:22,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:35:22,605 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:35:22,605 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-22 02:35:22,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data/2925e644c/4de19997de16419d803814664046a076/FLAGf1eb87722 [2022-11-22 02:35:22,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data/2925e644c/4de19997de16419d803814664046a076 [2022-11-22 02:35:22,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:35:22,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:35:22,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:35:22,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:35:22,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:35:22,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:22" (1/1) ... [2022-11-22 02:35:22,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308a00e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:22, skipping insertion in model container [2022-11-22 02:35:22,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:22" (1/1) ... [2022-11-22 02:35:22,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:35:22,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:35:22,964 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-22 02:35:22,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:35:22,982 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:35:23,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-22 02:35:23,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:35:23,083 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:35:23,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23 WrapperNode [2022-11-22 02:35:23,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:35:23,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:35:23,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:35:23,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:35:23,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,132 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 187 [2022-11-22 02:35:23,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:35:23,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:35:23,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:35:23,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:35:23,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:35:23,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:35:23,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:35:23,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:35:23,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (1/1) ... [2022-11-22 02:35:23,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:35:23,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:35:23,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:35:23,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:35:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:35:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:35:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:35:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:35:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-22 02:35:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-22 02:35:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:35:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:35:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:35:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-22 02:35:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:35:23,384 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:35:23,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:35:23,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:35:23,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:35:23,862 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-22 02:35:23,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:23 BoogieIcfgContainer [2022-11-22 02:35:23,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:35:23,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:35:23,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:35:23,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:35:23,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:35:22" (1/3) ... [2022-11-22 02:35:23,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f5e4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:23, skipping insertion in model container [2022-11-22 02:35:23,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:23" (2/3) ... [2022-11-22 02:35:23,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f5e4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:23, skipping insertion in model container [2022-11-22 02:35:23,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:23" (3/3) ... [2022-11-22 02:35:23,875 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2022-11-22 02:35:23,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:35:23,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:35:23,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:35:23,962 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;@5fce16d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:35:23,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:35:23,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 38 states have (on average 1.736842105263158) internal successors, (66), 39 states have internal predecessors, (66), 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) [2022-11-22 02:35:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 02:35:23,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:23,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:23,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:35:23,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:23,981 INFO L85 PathProgramCache]: Analyzing trace with hash -371795694, now seen corresponding path program 1 times [2022-11-22 02:35:23,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:35:23,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501750344] [2022-11-22 02:35:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:23,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:35:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:35:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:35:24,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:35:24,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501750344] [2022-11-22 02:35:24,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501750344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:35:24,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:35:24,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:35:24,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61510031] [2022-11-22 02:35:24,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:35:24,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:35:24,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:35:24,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:35:24,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:35:24,257 INFO L87 Difference]: Start difference. First operand has 40 states, 38 states have (on average 1.736842105263158) internal successors, (66), 39 states have internal predecessors, (66), 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) [2022-11-22 02:35:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:24,321 INFO L93 Difference]: Finished difference Result 78 states and 129 transitions. [2022-11-22 02:35:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:35:24,324 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 [2022-11-22 02:35:24,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:24,333 INFO L225 Difference]: With dead ends: 78 [2022-11-22 02:35:24,334 INFO L226 Difference]: Without dead ends: 37 [2022-11-22 02:35:24,337 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 [2022-11-22 02:35:24,341 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:35:24,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:35:24,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-22 02:35:24,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-22 02:35:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 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) [2022-11-22 02:35:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2022-11-22 02:35:24,378 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 10 [2022-11-22 02:35:24,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:35:24,378 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2022-11-22 02:35:24,379 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) [2022-11-22 02:35:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2022-11-22 02:35:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 02:35:24,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:24,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:24,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:35:24,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:35:24,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:24,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1308950481, now seen corresponding path program 1 times [2022-11-22 02:35:24,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:35:24,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564439967] [2022-11-22 02:35:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:24,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:35:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:35:24,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:35:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:35:24,671 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:35:24,671 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:35:24,673 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:35:24,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:35:24,679 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 02:35:24,683 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:35:24,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:35:24 BoogieIcfgContainer [2022-11-22 02:35:24,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:35:24,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:35:24,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:35:24,729 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:35:24,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:23" (3/4) ... [2022-11-22 02:35:24,733 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:35:24,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:35:24,734 INFO L158 Benchmark]: Toolchain (without parser) took 2102.86ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 108.2MB in the beginning and 183.7MB in the end (delta: -75.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-11-22 02:35:24,735 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 121.5MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:35:24,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.40ms. Allocated memory is still 153.1MB. Free memory was 108.2MB in the beginning and 95.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:35:24,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.82ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 93.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:24,748 INFO L158 Benchmark]: Boogie Preprocessor took 36.79ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:24,748 INFO L158 Benchmark]: RCFGBuilder took 694.11ms. Allocated memory is still 153.1MB. Free memory was 91.5MB in the beginning and 69.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:24,750 INFO L158 Benchmark]: TraceAbstraction took 859.51ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 68.9MB in the beginning and 184.8MB in the end (delta: -115.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:35:24,751 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 232.8MB. Free memory was 184.8MB in the beginning and 183.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:24,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 121.5MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.40ms. Allocated memory is still 153.1MB. Free memory was 108.2MB in the beginning and 95.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.82ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 93.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.79ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.11ms. Allocated memory is still 153.1MB. Free memory was 91.5MB in the beginning and 69.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 859.51ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 68.9MB in the beginning and 184.8MB in the end (delta: -115.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 232.8MB. Free memory was 184.8MB in the beginning and 183.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 137]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L128] float x = 0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L133] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=0, \old(y)=12884901897, one_fmod=1, x=0, y=12884901897, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=0, \old(y)=12884901897, hx=0, hy=0, one_fmod=1, sx=-1, x=0, y=12884901897, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=0, \old(y)=12884901897, hx=0, hy=0, one_fmod=1, sx=-1, x=0, y=12884901897, Zero_fmod={4:0}] [L133] RET, EXPR fmod_float(x, y) [L133] float res = fmod_float(x, y); [L136] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, res=12884901898, res == 0.0f && __signbit_float(res) == 0=0, x=0, y=12884901897, Zero_fmod={4:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L137] reach_error() VAL [one_fmod=1, res=12884901898, x=0, y=12884901897, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 10 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=40occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 02:35:24,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/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_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba --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 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a --- 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-b5237d8 [2022-11-22 02:35:27,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:35:27,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:35:27,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:35:27,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:35:27,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:35:27,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:35:27,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:35:27,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:35:27,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:35:27,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:35:27,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:35:27,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:35:27,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:35:27,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:35:27,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:35:27,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:35:27,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:35:27,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:35:27,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:35:27,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:35:27,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:35:27,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:35:27,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:35:27,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:35:27,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:35:27,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:35:27,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:35:27,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:35:27,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:35:27,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:35:27,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:35:27,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:35:27,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:35:27,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:35:27,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:35:27,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:35:27,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:35:27,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:35:27,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:35:27,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:35:27,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-22 02:35:27,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:35:27,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:35:27,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:35:27,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:35:27,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:35:27,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:35:27,416 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:35:27,416 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:35:27,417 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:35:27,417 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:35:27,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:35:27,418 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:35:27,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:35:27,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:35:27,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:35:27,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:35:27,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:35:27,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:35:27,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:35:27,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:35:27,421 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:35:27,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:35:27,422 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:35:27,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:35:27,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:35:27,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:35:27,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:35:27,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:35:27,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:35:27,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:35:27,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:35:27,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:35:27,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:35:27,425 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:35:27,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:35:27,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:35:27,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:35:27,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:35:27,426 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_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4beb2d56fd26727d06ab5e32646878129bf03feaf41ed8f7c7126586310d6a [2022-11-22 02:35:27,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:35:27,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:35:27,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:35:27,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:35:27,853 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:35:27,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-22 02:35:30,926 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:35:31,214 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:35:31,216 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2022-11-22 02:35:31,223 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data/b0df264e8/154e77a797ca4b3b827f588ca2bcdd21/FLAG68c10f1d4 [2022-11-22 02:35:31,236 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/data/b0df264e8/154e77a797ca4b3b827f588ca2bcdd21 [2022-11-22 02:35:31,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:35:31,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:35:31,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:35:31,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:35:31,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:35:31,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc133f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31, skipping insertion in model container [2022-11-22 02:35:31,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:35:31,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:35:31,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-22 02:35:31,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:35:31,583 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:35:31,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c[2907,2920] [2022-11-22 02:35:31,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:35:31,634 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:35:31,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31 WrapperNode [2022-11-22 02:35:31,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:35:31,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:35:31,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:35:31,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:35:31,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,691 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 187 [2022-11-22 02:35:31,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:35:31,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:35:31,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:35:31,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:35:31,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,731 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:35:31,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:35:31,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:35:31,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:35:31,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (1/1) ... [2022-11-22 02:35:31,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:35:31,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:35:31,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:35:31,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:35:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:35:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-22 02:35:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 02:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-22 02:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 02:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:35:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:35:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-22 02:35:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 02:35:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:35:31,992 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:35:31,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:35:34,676 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:35:34,683 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:35:34,684 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-22 02:35:34,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:34 BoogieIcfgContainer [2022-11-22 02:35:34,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:35:34,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:35:34,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:35:34,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:35:34,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:35:31" (1/3) ... [2022-11-22 02:35:34,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307e59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:34, skipping insertion in model container [2022-11-22 02:35:34,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:31" (2/3) ... [2022-11-22 02:35:34,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307e59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:34, skipping insertion in model container [2022-11-22 02:35:34,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:34" (3/3) ... [2022-11-22 02:35:34,695 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2022-11-22 02:35:34,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:35:34,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:35:34,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:35:34,780 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;@112ba04b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:35:34,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:35:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.7391304347826086) internal successors, (80), 47 states have internal predecessors, (80), 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) [2022-11-22 02:35:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 02:35:34,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:34,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:34,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:35:34,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:34,799 INFO L85 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2022-11-22 02:35:34,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:35:34,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384974960] [2022-11-22 02:35:34,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:34,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:35:34,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:35:34,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 02:35:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:35:35,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-22 02:35:35,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:35:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:35:35,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:35:35,157 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:35:35,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384974960] [2022-11-22 02:35:35,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384974960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:35:35,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:35:35,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:35:35,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103968874] [2022-11-22 02:35:35,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:35:35,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:35:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:35:35,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:35:35,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:35:35,197 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.7391304347826086) internal successors, (80), 47 states have internal predecessors, (80), 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) [2022-11-22 02:35:35,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:35,217 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2022-11-22 02:35:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:35:35,220 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 [2022-11-22 02:35:35,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:35,229 INFO L225 Difference]: With dead ends: 93 [2022-11-22 02:35:35,229 INFO L226 Difference]: Without dead ends: 44 [2022-11-22 02:35:35,232 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 [2022-11-22 02:35:35,236 INFO L413 NwaCegarLoop]: 65 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, 65 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 [2022-11-22 02:35:35,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:35:35,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-22 02:35:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-22 02:35:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 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) [2022-11-22 02:35:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2022-11-22 02:35:35,272 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2022-11-22 02:35:35,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:35:35,272 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2022-11-22 02:35:35,273 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) [2022-11-22 02:35:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-11-22 02:35:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 02:35:35,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:35,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:35,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-22 02:35:35,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:35,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:35:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2022-11-22 02:35:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:35:35,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380251327] [2022-11-22 02:35:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:35:35,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:35:35,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 02:35:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:35:35,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-22 02:35:35,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:35:36,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:35:36,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-22 02:35:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:35:36,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:35:36,796 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:35:36,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380251327] [2022-11-22 02:35:36,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380251327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:35:36,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:35:36,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 02:35:36,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627863105] [2022-11-22 02:35:36,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:35:36,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 02:35:36,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:35:36,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 02:35:36,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:35:36,800 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:35:38,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:35:39,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:39,315 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2022-11-22 02:35:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:35:39,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 02:35:39,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:39,318 INFO L225 Difference]: With dead ends: 53 [2022-11-22 02:35:39,318 INFO L226 Difference]: Without dead ends: 19 [2022-11-22 02:35:39,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:35:39,320 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 55 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:35:39,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 30 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 02:35:39,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-22 02:35:39,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-22 02:35:39,325 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) [2022-11-22 02:35:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-22 02:35:39,326 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2022-11-22 02:35:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:35:39,329 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-11-22 02:35:39,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:35:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-22 02:35:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 02:35:39,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:39,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:39,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:35:39,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:39,547 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:35:39,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:39,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2022-11-22 02:35:39,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:35:39,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384527685] [2022-11-22 02:35:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:39,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:39,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:35:39,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:35:39,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-22 02:35:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:35:39,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 02:35:39,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:35:39,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:35:39,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:35:39,795 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:35:39,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384527685] [2022-11-22 02:35:39,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384527685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:35:39,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:35:39,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:35:39,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240053313] [2022-11-22 02:35:39,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:35:39,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:35:39,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:35:39,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:35:39,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:35:39,798 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) [2022-11-22 02:35:39,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:39,957 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2022-11-22 02:35:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:35:39,958 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 [2022-11-22 02:35:39,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:39,958 INFO L225 Difference]: With dead ends: 22 [2022-11-22 02:35:39,959 INFO L226 Difference]: Without dead ends: 19 [2022-11-22 02:35:39,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:35:39,960 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 37 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:35:39,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:35:39,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-22 02:35:39,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-22 02:35:39,966 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) [2022-11-22 02:35:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2022-11-22 02:35:39,967 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2022-11-22 02:35:39,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:35:39,967 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2022-11-22 02:35:39,967 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) [2022-11-22 02:35:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2022-11-22 02:35:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 02:35:39,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:39,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:39,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:35:40,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:40,181 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:35:40,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:40,182 INFO L85 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2022-11-22 02:35:40,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:35:40,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136444422] [2022-11-22 02:35:40,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:40,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:40,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:35:40,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:35:40,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-22 02:35:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:35:40,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-22 02:35:40,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:35:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:35:40,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:35:40,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:35:40,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136444422] [2022-11-22 02:35:40,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136444422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:35:40,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:35:40,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-22 02:35:40,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101406658] [2022-11-22 02:35:40,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:35:40,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:35:40,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:35:40,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:35:40,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:35:40,741 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-22 02:35:41,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:41,267 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2022-11-22 02:35:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:35:41,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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 [2022-11-22 02:35:41,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:41,270 INFO L225 Difference]: With dead ends: 19 [2022-11-22 02:35:41,271 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:35:41,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:35:41,272 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 43 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:35:41,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 52 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:35:41,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:35:41,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:35:41,274 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) [2022-11-22 02:35:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:35:41,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-22 02:35:41,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:35:41,274 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:35:41,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-22 02:35:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:35:41,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:35:41,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:35:41,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:35:41,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:35:41,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 02:35:41,920 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-11-22 02:35:41,920 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-11-22 02:35:41,921 INFO L895 garLoopResultBuilder]: At program point L27-1(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24)) (= .cse0 |ULTIMATE.start_fmod_float_~hx~0#1|)))) (or (fp.lt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (fp.gt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)))) [2022-11-22 02:35:41,921 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-11-22 02:35:41,921 INFO L895 garLoopResultBuilder]: At program point L118(lines 109 119) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv0 32)) (= (_ +zero 8 24) |ULTIMATE.start_fmod_float_#res#1|) (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short16#1| (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_fmod_float_~hx~0#1_35| (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|))) (= (bvxor (bvand |v_ULTIMATE.start_fmod_float_~hx~0#1_35| (_ bv2147483648 32)) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) |ULTIMATE.start_fmod_float_~hx~0#1|))) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|)) (_ +zero 8 24)) (exists ((|v_ULTIMATE.start_fmod_float_~hy~0#1_20| (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) |ULTIMATE.start_fmod_float_~hy~0#1|))) (or (fp.lt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (fp.gt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)))) [2022-11-22 02:35:41,922 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-22 02:35:41,922 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-22 02:35:41,922 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-11-22 02:35:41,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 02:35:41,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-22 02:35:41,922 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-11-22 02:35:41,922 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-11-22 02:35:41,923 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-22 02:35:41,923 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2022-11-22 02:35:41,923 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-11-22 02:35:41,923 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2022-11-22 02:35:41,923 INFO L895 garLoopResultBuilder]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_fmod_float_#res#1|) (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short16#1| (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_fmod_float_~hx~0#1_35| (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|))) (= (bvxor (bvand |v_ULTIMATE.start_fmod_float_~hx~0#1_35| (_ bv2147483648 32)) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) |ULTIMATE.start_fmod_float_~hx~0#1|))) (exists ((|v_ULTIMATE.start_fmod_float_~hy~0#1_20| (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) |ULTIMATE.start_fmod_float_~hy~0#1|))) (or (fp.lt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (fp.gt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)))) [2022-11-22 02:35:41,924 INFO L899 garLoopResultBuilder]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2022-11-22 02:35:41,924 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-22 02:35:41,924 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-11-22 02:35:41,924 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-11-22 02:35:41,924 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-11-22 02:35:41,925 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (or (fp.lt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (fp.gt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)))) [2022-11-22 02:35:41,925 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-11-22 02:35:41,925 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-11-22 02:35:41,925 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_fmod_float_#res#1|) (= |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_fmod_float_~hx~0#1_35| (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|))) (= (bvxor (bvand |v_ULTIMATE.start_fmod_float_~hx~0#1_35| (_ bv2147483648 32)) |v_ULTIMATE.start_fmod_float_~hx~0#1_35|) |ULTIMATE.start_fmod_float_~hx~0#1|))) (exists ((|v_ULTIMATE.start_fmod_float_~hy~0#1_20| (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) |v_ULTIMATE.start_fmod_float_~hy~0#1_20|) |ULTIMATE.start_fmod_float_~hy~0#1|))) (or (fp.lt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (fp.gt |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)))) [2022-11-22 02:35:41,925 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-22 02:35:41,925 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 140) no Hoare annotation was computed. [2022-11-22 02:35:41,926 INFO L899 garLoopResultBuilder]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2022-11-22 02:35:41,926 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-22 02:35:41,926 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-11-22 02:35:41,926 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-11-22 02:35:41,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2022-11-22 02:35:41,927 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-11-22 02:35:41,928 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-11-22 02:35:41,928 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-11-22 02:35:41,928 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-11-22 02:35:41,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 02:35:41,928 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-11-22 02:35:41,929 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-11-22 02:35:41,929 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-11-22 02:35:41,929 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-11-22 02:35:41,929 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-11-22 02:35:41,930 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-11-22 02:35:41,930 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-11-22 02:35:41,930 INFO L902 garLoopResultBuilder]: At program point L142(lines 121 143) the Hoare annotation is: true [2022-11-22 02:35:41,930 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-22 02:35:41,930 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-11-22 02:35:41,934 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 02:35:41,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:35:41,950 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,951 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,952 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,952 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,953 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,953 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,953 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,954 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:41,955 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,955 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,955 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,956 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,956 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,956 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,956 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,957 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,957 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,963 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,963 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,964 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,964 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,964 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,964 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,965 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,965 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,965 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,965 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,966 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,966 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,966 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:41,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:41,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:35:41 BoogieIcfgContainer [2022-11-22 02:35:41,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:35:41,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:35:41,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:35:41,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:35:41,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:34" (3/4) ... [2022-11-22 02:35:41,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:35:41,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-22 02:35:41,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-22 02:35:41,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 02:35:41,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:35:42,018 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:35:42,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:35:42,019 INFO L158 Benchmark]: Toolchain (without parser) took 10779.84ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 37.6MB in the end (delta: 25.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 02:35:42,020 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:35:42,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.94ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 48.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 02:35:42,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.55ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 46.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:42,021 INFO L158 Benchmark]: Boogie Preprocessor took 46.44ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 44.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:42,021 INFO L158 Benchmark]: RCFGBuilder took 2947.18ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 50.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-11-22 02:35:42,022 INFO L158 Benchmark]: TraceAbstraction took 7282.81ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 40.3MB in the end (delta: 9.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:42,022 INFO L158 Benchmark]: Witness Printer took 47.20ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 37.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:35:42,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.94ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 48.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.55ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 46.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.44ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 44.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2947.18ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 50.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7282.81ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 40.3MB in the end (delta: 9.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 47.20ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 37.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,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: 137]: 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, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 99 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 18 NumberOfFragments, 244 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 3 QuantifiedInterpolants, 286 SizeOfPredicates, 26 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 19]: Loop Invariant [2022-11-22 02:35:42,041 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:42,041 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:42,042 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:42,042 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:42,042 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:42,043 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:42,043 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] [2022-11-22 02:35:42,043 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6,QUANTIFIED] Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && unknown-#memory_int-unknown[v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_6][0bv32] == hx)) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant [2022-11-22 02:35:42,044 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,044 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,044 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,045 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,045 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,045 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,045 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,046 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,046 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,046 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,046 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,047 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,047 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,047 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,047 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,047 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,048 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,048 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] Derived loop invariant: (((((((((x == ~Pluszero~LONGDOUBLE() && \result == 0bv32) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0#1_35 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0#1_35[31:31], v_ULTIMATE.start_fmod_float_~hx~0#1_35[30:23], v_ULTIMATE.start_fmod_float_~hx~0#1_35[22:0]) && ~bvxor32(~bvand32(v_ULTIMATE.start_fmod_float_~hx~0#1_35, 2147483648bv32), v_ULTIMATE.start_fmod_float_~hx~0#1_35) == hx)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0#1_20 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0#1_20[31:31], v_ULTIMATE.start_fmod_float_~hy~0#1_20[30:23], v_ULTIMATE.start_fmod_float_~hy~0#1_20[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0#1_20) == hy)) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 112]: Loop Invariant [2022-11-22 02:35:42,049 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,049 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,049 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,049 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,049 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] Derived loop invariant: (((((((x == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0#1_35 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0#1_35[31:31], v_ULTIMATE.start_fmod_float_~hx~0#1_35[30:23], v_ULTIMATE.start_fmod_float_~hx~0#1_35[22:0]) && ~bvxor32(~bvand32(v_ULTIMATE.start_fmod_float_~hx~0#1_35, 2147483648bv32), v_ULTIMATE.start_fmod_float_~hx~0#1_35) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0#1_20 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0#1_20[31:31], v_ULTIMATE.start_fmod_float_~hy~0#1_20[30:23], v_ULTIMATE.start_fmod_float_~hy~0#1_20[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0#1_20) == hy)) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 19]: Loop Invariant [2022-11-22 02:35:42,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0#1_35,QUANTIFIED] [2022-11-22 02:35:42,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] [2022-11-22 02:35:42,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0#1_20,QUANTIFIED] Derived loop invariant: ((((~Pluszero~LONGDOUBLE() == \result && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0#1_35 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0#1_35[31:31], v_ULTIMATE.start_fmod_float_~hx~0#1_35[30:23], v_ULTIMATE.start_fmod_float_~hx~0#1_35[22:0]) && ~bvxor32(~bvand32(v_ULTIMATE.start_fmod_float_~hx~0#1_35, 2147483648bv32), v_ULTIMATE.start_fmod_float_~hx~0#1_35) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0#1_20 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0#1_20[31:31], v_ULTIMATE.start_fmod_float_~hy~0#1_20[30:23], v_ULTIMATE.start_fmod_float_~hy~0#1_20[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0#1_20) == hy)) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) RESULT: Ultimate proved your program to be correct! [2022-11-22 02:35:42,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f1af0-742b-4557-95a2-ee09d087f2e5/bin/utaipan-g80aRyZoba/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