./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:07:18,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:07:18,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:07:18,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:07:18,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:07:18,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:07:18,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:07:18,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:07:18,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:07:18,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:07:18,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:07:18,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:07:18,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:07:18,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:07:18,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:07:18,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:07:18,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:07:18,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:07:18,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:07:18,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:07:18,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:07:18,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:07:18,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:07:18,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:07:18,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:07:18,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:07:18,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:07:18,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:07:18,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:07:18,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:07:18,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:07:18,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:07:18,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:07:18,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:07:18,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:07:18,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:07:18,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:07:18,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:07:18,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:07:18,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:07:18,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:07:18,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 12:07:18,914 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:07:18,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:07:18,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:07:18,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:07:18,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:07:18,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:07:18,916 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:07:18,916 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:07:18,922 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:07:18,922 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:07:18,922 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:07:18,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:07:18,923 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:07:18,923 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:07:18,923 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:07:18,923 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:07:18,923 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:07:18,923 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:07:18,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:07:18,924 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:07:18,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:07:18,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:07:18,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:07:18,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:07:18,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:07:18,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:07:18,925 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:07:18,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:07:18,926 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:07:18,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:07:18,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:07:18,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:07:18,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:07:18,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:07:18,926 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:07:18,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:07:18,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:07:18,927 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:07:18,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:07:18,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:07:18,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:07:18,927 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_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f [2022-12-14 12:07:19,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:07:19,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:07:19,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:07:19,124 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:07:19,124 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:07:19,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-12-14 12:07:21,693 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:07:21,826 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:07:21,826 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-12-14 12:07:21,832 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data/aabe4fcb7/4f394fc8d9f74635adb840df032f8aa9/FLAGf3fde2e82 [2022-12-14 12:07:21,843 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data/aabe4fcb7/4f394fc8d9f74635adb840df032f8aa9 [2022-12-14 12:07:21,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:07:21,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:07:21,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:07:21,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:07:21,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:07:21,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:07:21" (1/1) ... [2022-12-14 12:07:21,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2d3748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:21, skipping insertion in model container [2022-12-14 12:07:21,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:07:21" (1/1) ... [2022-12-14 12:07:21,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:07:21,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:07:22,057 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_ad87866f-44d9-4772-97fe-92046cd8e55c/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-12-14 12:07:22,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:07:22,071 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:07:22,112 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_ad87866f-44d9-4772-97fe-92046cd8e55c/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-12-14 12:07:22,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:07:22,123 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:07:22,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22 WrapperNode [2022-12-14 12:07:22,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:07:22,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:07:22,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:07:22,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:07:22,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,158 INFO L138 Inliner]: procedures = 20, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 241 [2022-12-14 12:07:22,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:07:22,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:07:22,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:07:22,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:07:22,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:07:22,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:07:22,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:07:22,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:07:22,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (1/1) ... [2022-12-14 12:07:22,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:07:22,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:07:22,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:07:22,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:07:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:07:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:07:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:07:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-14 12:07:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:07:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-14 12:07:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:07:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:07:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:07:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:07:22,324 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:07:22,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:07:22,581 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:07:22,666 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:07:22,667 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 12:07:22,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:07:22 BoogieIcfgContainer [2022-12-14 12:07:22,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:07:22,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:07:22,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:07:22,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:07:22,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:07:21" (1/3) ... [2022-12-14 12:07:22,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b5a525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:07:22, skipping insertion in model container [2022-12-14 12:07:22,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:22" (2/3) ... [2022-12-14 12:07:22,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b5a525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:07:22, skipping insertion in model container [2022-12-14 12:07:22,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:07:22" (3/3) ... [2022-12-14 12:07:22,679 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2022-12-14 12:07:22,697 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:07:22,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:07:22,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:07:22,737 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;@5961202b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:07:22,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:07:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.7) internal successors, (68), 41 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:07:22,753 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:07:22,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:07:22,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:07:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:07:22,758 INFO L85 PathProgramCache]: Analyzing trace with hash -790480837, now seen corresponding path program 1 times [2022-12-14 12:07:22,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:07:22,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301989125] [2022-12-14 12:07:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:07:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:07:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:07:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:07:22,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:07:22,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301989125] [2022-12-14 12:07:22,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301989125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:07:22,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:07:22,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:07:22,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410143000] [2022-12-14 12:07:22,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:07:22,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:07:22,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:07:22,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:07:22,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:07:22,910 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.7) internal successors, (68), 41 states have internal predecessors, (68), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:07:22,952 INFO L93 Difference]: Finished difference Result 83 states and 135 transitions. [2022-12-14 12:07:22,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:07:22,955 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-12-14 12:07:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:07:22,961 INFO L225 Difference]: With dead ends: 83 [2022-12-14 12:07:22,961 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 12:07:22,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:07:22,966 INFO L413 NwaCegarLoop]: 43 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, 43 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 [2022-12-14 12:07:22,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:07:22,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 12:07:22,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-14 12:07:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2022-12-14 12:07:22,990 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 7 [2022-12-14 12:07:22,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:07:22,990 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2022-12-14 12:07:22,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-14 12:07:22,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:07:22,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:07:22,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:07:22,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:07:22,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:07:22,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:07:22,992 INFO L85 PathProgramCache]: Analyzing trace with hash -804882852, now seen corresponding path program 1 times [2022-12-14 12:07:22,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:07:22,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004427664] [2022-12-14 12:07:22,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:07:22,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:07:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:07:23,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:07:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:07:23,049 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:07:23,050 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:07:23,051 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 12:07:23,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:07:23,055 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:07:23,057 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:07:23,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:07:23 BoogieIcfgContainer [2022-12-14 12:07:23,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:07:23,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:07:23,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:07:23,073 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:07:23,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:07:22" (3/4) ... [2022-12-14 12:07:23,076 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:07:23,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:07:23,076 INFO L158 Benchmark]: Toolchain (without parser) took 1230.39ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 96.2MB in the beginning and 149.3MB in the end (delta: -53.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-12-14 12:07:23,076 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:07:23,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.94ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 82.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 12:07:23,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.93ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 79.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:07:23,077 INFO L158 Benchmark]: Boogie Preprocessor took 26.46ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:07:23,078 INFO L158 Benchmark]: RCFGBuilder took 484.09ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 51.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 12:07:23,078 INFO L158 Benchmark]: TraceAbstraction took 400.32ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 50.1MB in the beginning and 150.4MB in the end (delta: -100.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:07:23,078 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 201.3MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:07:23,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.94ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 82.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.93ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 79.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.46ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.09ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 51.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 400.32ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 50.1MB in the beginning and 150.4MB in the end (delta: -100.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 201.3MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 235]: 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 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L230] float x = 1.0f / 0.0f; [L231] CALL, EXPR __ieee754_asinf(x) [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000002, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000002] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000002] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=1000000000000000000000000000002, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000002] [L231] RET, EXPR __ieee754_asinf(x) [L231] float res = __ieee754_asinf(x); [L234] CALL, EXPR isnan_float(res) [L60] return x != x; [L234] RET, EXPR isnan_float(res) [L234] COND TRUE !isnan_float(res) [L235] reach_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=1000000000000000000000000000001, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000002] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 43 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, 43 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=42occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 12:07:23,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:07:24,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:07:24,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:07:24,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:07:24,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:07:24,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:07:24,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:07:24,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:07:24,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:07:24,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:07:24,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:07:24,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:07:24,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:07:24,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:07:24,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:07:24,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:07:24,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:07:24,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:07:24,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:07:24,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:07:24,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:07:24,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:07:24,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:07:24,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:07:24,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:07:24,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:07:24,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:07:24,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:07:24,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:07:24,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:07:24,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:07:24,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:07:24,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:07:24,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:07:24,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:07:24,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:07:24,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:07:24,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:07:24,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:07:24,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:07:24,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:07:24,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 12:07:24,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:07:24,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:07:24,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:07:24,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:07:24,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:07:24,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:07:24,941 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:07:24,941 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:07:24,942 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:07:24,942 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:07:24,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:07:24,942 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:07:24,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:07:24,943 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:07:24,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:07:24,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:07:24,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:07:24,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:07:24,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:07:24,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:07:24,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:07:24,944 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:07:24,944 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:07:24,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:07:24,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:07:24,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:07:24,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:07:24,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:07:24,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:07:24,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:07:24,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:07:24,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:07:24,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:07:24,946 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:07:24,946 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:07:24,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:07:24,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:07:24,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:07:24,946 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_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f [2022-12-14 12:07:25,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:07:25,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:07:25,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:07:25,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:07:25,220 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:07:25,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-12-14 12:07:27,835 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:07:27,978 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:07:27,978 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-12-14 12:07:27,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data/0cbf0e619/174edaf91bbb4af2b7356327dea70f4b/FLAG7006620bb [2022-12-14 12:07:28,003 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/data/0cbf0e619/174edaf91bbb4af2b7356327dea70f4b [2022-12-14 12:07:28,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:07:28,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:07:28,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:07:28,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:07:28,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:07:28,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49114404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28, skipping insertion in model container [2022-12-14 12:07:28,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:07:28,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:07:28,219 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_ad87866f-44d9-4772-97fe-92046cd8e55c/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-12-14 12:07:28,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:07:28,239 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:07:28,290 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_ad87866f-44d9-4772-97fe-92046cd8e55c/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2022-12-14 12:07:28,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:07:28,321 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:07:28,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28 WrapperNode [2022-12-14 12:07:28,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:07:28,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:07:28,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:07:28,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:07:28,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,375 INFO L138 Inliner]: procedures = 23, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 241 [2022-12-14 12:07:28,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:07:28,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:07:28,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:07:28,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:07:28,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,413 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:07:28,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:07:28,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:07:28,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:07:28,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (1/1) ... [2022-12-14 12:07:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:07:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:07:28,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:07:28,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:07:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:07:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 12:07:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:07:28,561 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:07:28,563 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:07:41,060 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:07:41,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:07:41,065 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 12:07:41,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:07:41 BoogieIcfgContainer [2022-12-14 12:07:41,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:07:41,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:07:41,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:07:41,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:07:41,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:07:28" (1/3) ... [2022-12-14 12:07:41,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3695d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:07:41, skipping insertion in model container [2022-12-14 12:07:41,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:07:28" (2/3) ... [2022-12-14 12:07:41,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3695d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:07:41, skipping insertion in model container [2022-12-14 12:07:41,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:07:41" (3/3) ... [2022-12-14 12:07:41,079 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2022-12-14 12:07:41,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:07:41,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:07:41,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:07:41,133 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;@54722a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:07:41,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:07:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 12:07:41,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:07:41,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:07:41,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:07:41,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:07:41,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2022-12-14 12:07:41,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:07:41,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534900058] [2022-12-14 12:07:41,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:07:41,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:07:41,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:07:41,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:07:41,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 12:07:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:07:41,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 12:07:41,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:07:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:07:41,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:07:41,693 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:07:41,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534900058] [2022-12-14 12:07:41,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534900058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:07:41,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:07:41,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:07:41,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050438096] [2022-12-14 12:07:41,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:07:41,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:07:41,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:07:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:07:41,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:07:41,719 INFO L87 Difference]: Start difference. First operand has 56 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 55 states have internal predecessors, (90), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:41,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:07:41,734 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2022-12-14 12:07:41,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:07:41,736 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-12-14 12:07:41,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:07:41,741 INFO L225 Difference]: With dead ends: 110 [2022-12-14 12:07:41,742 INFO L226 Difference]: Without dead ends: 53 [2022-12-14 12:07:41,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:07:41,746 INFO L413 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:07:41,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:07:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-14 12:07:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-14 12:07:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2022-12-14 12:07:41,770 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2022-12-14 12:07:41,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:07:41,770 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2022-12-14 12:07:41,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-12-14 12:07:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 12:07:41,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:07:41,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:07:41,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:07:41,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:07:41,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:07:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:07:41,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2022-12-14 12:07:41,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:07:41,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735855286] [2022-12-14 12:07:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:07:41,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:07:41,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:07:41,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:07:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 12:07:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:07:42,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 12:07:42,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:07:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:07:42,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:07:42,816 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:07:42,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735855286] [2022-12-14 12:07:42,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735855286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:07:42,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:07:42,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:07:42,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602349237] [2022-12-14 12:07:42,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:07:42,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:07:42,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:07:42,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:07:42,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:07:42,819 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:43,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:07:43,381 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-12-14 12:07:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:07:43,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 12:07:43,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:07:43,383 INFO L225 Difference]: With dead ends: 58 [2022-12-14 12:07:43,383 INFO L226 Difference]: Without dead ends: 12 [2022-12-14 12:07:43,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:07:43,385 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 22 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:07:43,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 12:07:43,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-12-14 12:07:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-12-14 12:07:43,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2022-12-14 12:07:43,390 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2022-12-14 12:07:43,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:07:43,390 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2022-12-14 12:07:43,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2022-12-14 12:07:43,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:07:43,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:07:43,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:07:43,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 12:07:43,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:07:43,596 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:07:43,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:07:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2022-12-14 12:07:43,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:07:43,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269099764] [2022-12-14 12:07:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:07:43,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:07:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:07:43,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:07:43,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 12:07:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:07:44,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 12:07:44,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:07:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:07:44,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:07:44,686 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:07:44,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269099764] [2022-12-14 12:07:44,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269099764] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:07:44,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:07:44,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 12:07:44,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40988309] [2022-12-14 12:07:44,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:07:44,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:07:44,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:07:44,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:07:44,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:07:44,688 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:45,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:07:45,421 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2022-12-14 12:07:45,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:07:45,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 12:07:45,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:07:45,422 INFO L225 Difference]: With dead ends: 12 [2022-12-14 12:07:45,422 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:07:45,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-14 12:07:45,424 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:07:45,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 12:07:45,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:07:45,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:07:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:07:45,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-12-14 12:07:45,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:07:45,426 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:07:45,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:07:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:07:45,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:07:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 12:07:45,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-12-14 12:07:45,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:07:45,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:07:46,308 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed. [2022-12-14 12:07:46,308 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2022-12-14 12:07:46,308 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-12-14 12:07:46,308 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2022-12-14 12:07:46,308 INFO L895 garLoopResultBuilder]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2022-12-14 12:07:46,309 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-12-14 12:07:46,309 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2022-12-14 12:07:46,309 INFO L899 garLoopResultBuilder]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2022-12-14 12:07:46,309 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2022-12-14 12:07:46,309 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2022-12-14 12:07:46,309 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2022-12-14 12:07:46,310 INFO L895 garLoopResultBuilder]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2022-12-14 12:07:46,310 INFO L899 garLoopResultBuilder]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2022-12-14 12:07:46,310 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2022-12-14 12:07:46,310 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 184) no Hoare annotation was computed. [2022-12-14 12:07:46,310 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2022-12-14 12:07:46,310 INFO L895 garLoopResultBuilder]: At program point __ieee754_sqrtf_returnLabel#1(lines 64 129) the Hoare annotation is: false [2022-12-14 12:07:46,311 INFO L895 garLoopResultBuilder]: At program point __ieee754_asinf_returnLabel#1(lines 155 221) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((|ULTIMATE.start___ieee754_asinf_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_asinf_~ix~3#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-12-14 12:07:46,311 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 183) no Hoare annotation was computed. [2022-12-14 12:07:46,311 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 141) no Hoare annotation was computed. [2022-12-14 12:07:46,311 INFO L895 garLoopResultBuilder]: At program point L137-1(lines 137 141) the Hoare annotation is: false [2022-12-14 12:07:46,312 INFO L899 garLoopResultBuilder]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2022-12-14 12:07:46,312 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2022-12-14 12:07:46,312 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2022-12-14 12:07:46,312 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2022-12-14 12:07:46,312 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2022-12-14 12:07:46,313 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2022-12-14 12:07:46,313 INFO L895 garLoopResultBuilder]: At program point L206-1(lines 206 210) the Hoare annotation is: false [2022-12-14 12:07:46,313 INFO L899 garLoopResultBuilder]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2022-12-14 12:07:46,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:07:46,313 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2022-12-14 12:07:46,314 INFO L895 garLoopResultBuilder]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-12-14 12:07:46,314 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-12-14 12:07:46,314 INFO L899 garLoopResultBuilder]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2022-12-14 12:07:46,314 INFO L899 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2022-12-14 12:07:46,314 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 77) no Hoare annotation was computed. [2022-12-14 12:07:46,314 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 223 240) the Hoare annotation is: true [2022-12-14 12:07:46,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 12:07:46,315 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 120) no Hoare annotation was computed. [2022-12-14 12:07:46,315 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 80) no Hoare annotation was computed. [2022-12-14 12:07:46,315 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 12:07:46,315 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 216) no Hoare annotation was computed. [2022-12-14 12:07:46,316 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2022-12-14 12:07:46,316 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-12-14 12:07:46,316 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 82) no Hoare annotation was computed. [2022-12-14 12:07:46,316 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 184) no Hoare annotation was computed. [2022-12-14 12:07:46,316 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 12:07:46,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2022-12-14 12:07:46,317 INFO L895 garLoopResultBuilder]: At program point isnan_float_returnLabel#1(line 60) the Hoare annotation is: (and (= (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_asinf_#res#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((|ULTIMATE.start___ieee754_asinf_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_asinf_~ix~3#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_~hx~1#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (= |ULTIMATE.start___ieee754_asinf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-12-14 12:07:46,317 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2022-12-14 12:07:46,317 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2022-12-14 12:07:46,318 INFO L895 garLoopResultBuilder]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2022-12-14 12:07:46,318 INFO L895 garLoopResultBuilder]: At program point fabs_float_returnLabel#1(lines 130 143) the Hoare annotation is: false [2022-12-14 12:07:46,318 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2022-12-14 12:07:46,318 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2022-12-14 12:07:46,318 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 184) no Hoare annotation was computed. [2022-12-14 12:07:46,322 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 12:07:46,324 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:07:46,336 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,337 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,337 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,337 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,338 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,338 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,338 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,338 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,338 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,339 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,339 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,339 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,339 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,339 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,340 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,340 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,340 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,340 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,340 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,340 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,344 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,344 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,344 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,344 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,345 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,345 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,345 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,345 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,345 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,345 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,346 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,347 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,347 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,348 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,348 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,348 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,348 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,348 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,349 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,350 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,350 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,350 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,350 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,350 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,350 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,350 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,351 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,351 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,352 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,353 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,353 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,353 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,354 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,354 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,354 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,354 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,354 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,357 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,358 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,359 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,359 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:07:46 BoogieIcfgContainer [2022-12-14 12:07:46,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:07:46,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:07:46,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:07:46,361 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:07:46,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:07:41" (3/4) ... [2022-12-14 12:07:46,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:07:46,375 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-14 12:07:46,375 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 12:07:46,376 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 12:07:46,376 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:07:46,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1#1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1#1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1#1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1#1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1#1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-12-14 12:07:46,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1#1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1#1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1#1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1#1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1#1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2022-12-14 12:07:46,411 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:07:46,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:07:46,412 INFO L158 Benchmark]: Toolchain (without parser) took 18405.37ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 55.6MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:07:46,412 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:07:46,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.09ms. Allocated memory is still 81.8MB. Free memory was 51.7MB in the beginning and 61.3MB in the end (delta: -9.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-14 12:07:46,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.90ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:07:46,413 INFO L158 Benchmark]: Boogie Preprocessor took 42.34ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:07:46,414 INFO L158 Benchmark]: RCFGBuilder took 12647.84ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 35.7MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 12:07:46,414 INFO L158 Benchmark]: TraceAbstraction took 5291.18ms. Allocated memory is still 81.8MB. Free memory was 35.1MB in the beginning and 59.3MB in the end (delta: -24.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-12-14 12:07:46,414 INFO L158 Benchmark]: Witness Printer took 51.30ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 55.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:07:46,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.09ms. Allocated memory is still 81.8MB. Free memory was 51.7MB in the beginning and 61.3MB in the end (delta: -9.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.90ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.34ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12647.84ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 35.7MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5291.18ms. Allocated memory is still 81.8MB. Free memory was 35.1MB in the beginning and 59.3MB in the end (delta: -24.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Witness Printer took 51.30ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 55.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 235]: 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, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 84 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 188 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 4 QuantifiedInterpolants, 176 SizeOfPredicates, 16 NumberOfNonLiveVariables, 166 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant [2022-12-14 12:07:46,424 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,424 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,424 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,424 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,425 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,426 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,427 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,427 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,427 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,429 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1#1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1#1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1#1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1#1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1#1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 155]: Loop Invariant [2022-12-14 12:07:46,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,431 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,432 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1#1,QUANTIFIED] [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-12-14 12:07:46,435 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1#1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1#1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1#1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1#1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1#1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant [2022-12-14 12:07:46,435 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-14 12:07:46,435 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-14 12:07:46,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad87866f-44d9-4772-97fe-92046cd8e55c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE