./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS --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 f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c --- 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-8393723 [2022-11-19 08:21:07,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:07,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:07,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:07,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:07,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:07,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:07,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:07,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:07,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:07,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:07,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:07,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:07,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:07,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:07,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:07,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:07,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:07,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:07,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:07,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:07,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:07,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:07,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:07,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:07,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:07,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:07,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:07,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:07,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:07,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:07,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:07,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:07,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:07,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:07,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:07,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:07,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:07,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:07,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:07,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:07,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:21:07,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:07,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:07,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:07,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:07,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:07,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:07,935 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:07,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:07,936 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:07,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:21:07,938 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:07,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:07,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:21:07,938 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:21:07,939 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:07,939 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:21:07,939 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:21:07,940 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:21:07,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:07,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:21:07,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:21:07,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:21:07,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:07,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:07,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:07,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:07,942 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:21:07,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:07,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:07,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:07,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:07,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:07,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:07,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:07,945 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:21:07,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:07,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:07,945 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:21:07,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:21:07,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:07,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:07,947 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_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c [2022-11-19 08:21:08,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:08,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:08,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:08,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:08,287 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:08,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2022-11-19 08:21:08,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/d3b7ee901/a3f8004f04de4d9f8b2ab06975370c43/FLAG0c3eb9ea7 [2022-11-19 08:21:08,877 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:08,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2022-11-19 08:21:08,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/d3b7ee901/a3f8004f04de4d9f8b2ab06975370c43/FLAG0c3eb9ea7 [2022-11-19 08:21:09,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/d3b7ee901/a3f8004f04de4d9f8b2ab06975370c43 [2022-11-19 08:21:09,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:09,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:09,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:09,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:09,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:09,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e94bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09, skipping insertion in model container [2022-11-19 08:21:09,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:09,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:09,640 WARN L234 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_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2022-11-19 08:21:09,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:09,673 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:09,764 WARN L234 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_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2022-11-19 08:21:09,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:09,789 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:09,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09 WrapperNode [2022-11-19 08:21:09,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:09,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:09,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:09,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:09,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,886 INFO L138 Inliner]: procedures = 25, calls = 374, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1026 [2022-11-19 08:21:09,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:09,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:21:09,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:21:09,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:21:09,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,989 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:09,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:10,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:21:10,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:21:10,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:21:10,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:21:10,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (1/1) ... [2022-11-19 08:21:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:10,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:10,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:21:10,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:21:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:21:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-11-19 08:21:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-11-19 08:21:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-11-19 08:21:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-11-19 08:21:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:21:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-19 08:21:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:21:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-19 08:21:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:21:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-19 08:21:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-11-19 08:21:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-11-19 08:21:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-19 08:21:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-19 08:21:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:21:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:21:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:21:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:21:10,337 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:21:10,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:21:11,468 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:21:11,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:21:11,784 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-19 08:21:11,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:11 BoogieIcfgContainer [2022-11-19 08:21:11,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:21:11,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:21:11,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:21:11,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:21:11,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:09" (1/3) ... [2022-11-19 08:21:11,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cee4e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:11, skipping insertion in model container [2022-11-19 08:21:11,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:09" (2/3) ... [2022-11-19 08:21:11,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cee4e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:11, skipping insertion in model container [2022-11-19 08:21:11,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:11" (3/3) ... [2022-11-19 08:21:11,798 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2022-11-19 08:21:11,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:21:11,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:21:11,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:21:11,886 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;@3df99fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:21:11,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:21:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 158 states have (on average 1.6898734177215189) internal successors, (267), 159 states have internal predecessors, (267), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:21:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:21:11,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:11,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:11,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:11,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:11,904 INFO L85 PathProgramCache]: Analyzing trace with hash -96023126, now seen corresponding path program 1 times [2022-11-19 08:21:11,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:11,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313632786] [2022-11-19 08:21:11,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:21:12,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:12,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313632786] [2022-11-19 08:21:12,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313632786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:12,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:12,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:21:12,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690702749] [2022-11-19 08:21:12,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:12,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:21:12,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:12,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:21:12,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:21:12,272 INFO L87 Difference]: Start difference. First operand has 176 states, 158 states have (on average 1.6898734177215189) internal successors, (267), 159 states have internal predecessors, (267), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-11-19 08:21:12,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:12,554 INFO L93 Difference]: Finished difference Result 350 states and 591 transitions. [2022-11-19 08:21:12,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:21:12,556 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 [2022-11-19 08:21:12,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:12,575 INFO L225 Difference]: With dead ends: 350 [2022-11-19 08:21:12,575 INFO L226 Difference]: Without dead ends: 173 [2022-11-19 08:21:12,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:21:12,591 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:12,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:21:12,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-19 08:21:12,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-11-19 08:21:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 156 states have (on average 1.391025641025641) internal successors, (217), 156 states have internal predecessors, (217), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:21:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 241 transitions. [2022-11-19 08:21:12,667 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 241 transitions. Word has length 9 [2022-11-19 08:21:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:12,668 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 241 transitions. [2022-11-19 08:21:12,669 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) [2022-11-19 08:21:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 241 transitions. [2022-11-19 08:21:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 08:21:12,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:12,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:12,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:21:12,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:12,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:12,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1634962151, now seen corresponding path program 1 times [2022-11-19 08:21:12,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:12,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74997522] [2022-11-19 08:21:12,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:12,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:21:12,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:21:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:21:12,903 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:21:12,904 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:21:12,905 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:21:12,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:21:12,911 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 08:21:12,914 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:21:12,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:21:12 BoogieIcfgContainer [2022-11-19 08:21:12,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:21:12,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:21:12,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:21:12,986 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:21:12,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:11" (3/4) ... [2022-11-19 08:21:12,990 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 08:21:12,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:21:12,992 INFO L158 Benchmark]: Toolchain (without parser) took 3822.93ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 82.9MB in the beginning and 51.9MB in the end (delta: 31.0MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2022-11-19 08:21:12,993 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:21:12,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.00ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 889.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:21:13,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.81ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 75.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:21:13,001 INFO L158 Benchmark]: Boogie Preprocessor took 127.22ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 68.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:21:13,005 INFO L158 Benchmark]: RCFGBuilder took 1772.19ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.7MB in the beginning and 111.4MB in the end (delta: -42.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-11-19 08:21:13,005 INFO L158 Benchmark]: TraceAbstraction took 1191.46ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 51.9MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-19 08:21:13,006 INFO L158 Benchmark]: Witness Printer took 8.08ms. Allocated memory is still 146.8MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:21:13,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.00ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 889.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.81ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 75.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.22ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 68.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1772.19ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.7MB in the beginning and 111.4MB in the end (delta: -42.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1191.46ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 51.9MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 8.08ms. Allocated memory is still 146.8MB. Free memory is still 51.9MB. 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: 648]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 532, overapproximation of bitwiseAnd at line 611, overapproximation of someBinaryArithmeticDOUBLEoperation at line 616, overapproximation of someBinaryDOUBLEComparisonOperation at line 647. Possible FailurePath: [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L182-L187] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L572-L578] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L189-L191] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L377-L384] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L572-L578] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L180] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L189-L191] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L189-L191] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L23] static const double huge_floor = 1.0e300; [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L572-L578] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L572-L578] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L364-L375] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L572-L578] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L528-L534] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L640] double x = __VERIFIER_nondet_double(); [L642] COND TRUE x == 0.0 || x == -0.0 [L644] CALL, EXPR cos_double(x) [L603] double y[2], z = 0.0; [L604] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={5:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={4:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={7:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L606] ieee_double_shape_type gh_u; [L607] gh_u.value = (x) [L608] EXPR gh_u.parts.msw [L608] (ix) = gh_u.parts.msw [L611] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={5:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={4:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={7:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L612] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={5:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={4:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={7:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L615] COND TRUE ix >= 0x7ff00000 [L616] return x - x; [L616] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={5:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={4:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={7:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, z=0, zero_krempio=0, zero_rempio=0] [L644] RET, EXPR cos_double(x) [L644] double res = cos_double(x); [L647] COND TRUE res != 1.0 VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={5:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={4:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={7:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, zero_krempio=0, zero_rempio=0] [L648] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={6:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={5:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={4:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={7:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 176 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 192 mSDtfsCounter, 53 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=176occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 08:21:13,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS --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 f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c --- 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-8393723 [2022-11-19 08:21:15,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:15,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:15,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:15,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:15,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:15,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:15,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:15,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:15,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:15,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:15,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:15,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:15,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:15,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:15,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:15,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:15,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:15,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:15,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:15,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:15,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:15,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:15,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:15,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:15,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:15,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:15,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:15,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:15,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:15,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:15,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:15,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:15,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:15,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:15,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:15,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:15,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:15,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:15,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:15,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:15,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 08:21:15,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:15,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:15,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:15,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:15,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:15,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:15,364 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:15,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:15,365 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:15,365 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:15,365 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:15,365 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:15,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:15,366 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:21:15,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:21:15,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:15,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:15,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:15,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:15,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:21:15,367 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:21:15,368 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:21:15,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:21:15,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:15,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:15,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:15,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:15,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:21:15,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:15,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:15,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:15,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:15,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:15,370 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:21:15,370 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:21:15,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:15,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:15,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:21:15,371 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_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1463618c6d56a82ea28796926e89927f2765ad9b9813a5531865e3b5e48209c [2022-11-19 08:21:15,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:15,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:15,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:15,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:15,744 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:15,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2022-11-19 08:21:15,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/6897e8ae5/4dffe4f32c714c39b201f0b9427f074d/FLAGabad5a002 [2022-11-19 08:21:16,340 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:16,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/sv-benchmarks/c/float-newlib/double_req_bl_0320.c [2022-11-19 08:21:16,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/6897e8ae5/4dffe4f32c714c39b201f0b9427f074d/FLAGabad5a002 [2022-11-19 08:21:16,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/data/6897e8ae5/4dffe4f32c714c39b201f0b9427f074d [2022-11-19 08:21:16,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:16,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:16,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:16,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:16,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:16,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:16" (1/1) ... [2022-11-19 08:21:16,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76674d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:16, skipping insertion in model container [2022-11-19 08:21:16,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:16" (1/1) ... [2022-11-19 08:21:16,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:16,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:17,113 WARN L234 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_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2022-11-19 08:21:17,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:17,155 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:17,289 WARN L234 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_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/sv-benchmarks/c/float-newlib/double_req_bl_0320.c[16343,16356] [2022-11-19 08:21:17,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:17,322 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:17,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17 WrapperNode [2022-11-19 08:21:17,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:17,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:17,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:17,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:17,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,427 INFO L138 Inliner]: procedures = 29, calls = 374, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1018 [2022-11-19 08:21:17,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:17,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:21:17,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:21:17,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:21:17,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:21:17,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:21:17,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:21:17,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:21:17,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (1/1) ... [2022-11-19 08:21:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:17,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:17,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:21:17,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:21:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:21:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-19 08:21:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-11-19 08:21:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-11-19 08:21:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-19 08:21:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 08:21:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 08:21:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-11-19 08:21:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-11-19 08:21:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:21:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-19 08:21:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 08:21:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-11-19 08:21:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-11-19 08:21:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-19 08:21:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-19 08:21:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:21:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:21:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 08:21:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:21:17,825 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:21:17,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:22:22,434 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:22:22,446 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:22:22,447 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-19 08:22:22,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:22 BoogieIcfgContainer [2022-11-19 08:22:22,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:22:22,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:22:22,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:22:22,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:22:22,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:16" (1/3) ... [2022-11-19 08:22:22,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2728a941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:22:22, skipping insertion in model container [2022-11-19 08:22:22,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:17" (2/3) ... [2022-11-19 08:22:22,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2728a941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:22:22, skipping insertion in model container [2022-11-19 08:22:22,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:22" (3/3) ... [2022-11-19 08:22:22,462 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2022-11-19 08:22:22,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:22:22,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:22:22,570 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:22:22,583 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;@51dd91f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:22:22,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:22:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 255 states, 237 states have (on average 1.6666666666666667) internal successors, (395), 238 states have internal predecessors, (395), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:22:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 08:22:22,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:22,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:22,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:22,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:22,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1985297463, now seen corresponding path program 1 times [2022-11-19 08:22:22,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:22:22,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623861597] [2022-11-19 08:22:22,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:22,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:22,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:22:22,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:22:22,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 08:22:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:23,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 08:22:23,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:22:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:23,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:22:23,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:22:23,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623861597] [2022-11-19 08:22:23,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623861597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:23,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:23,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:23,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551816248] [2022-11-19 08:22:23,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:23,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:22:23,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:22:23,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:22:23,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:22:23,234 INFO L87 Difference]: Start difference. First operand has 255 states, 237 states have (on average 1.6666666666666667) internal successors, (395), 238 states have internal predecessors, (395), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:23,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:23,300 INFO L93 Difference]: Finished difference Result 507 states and 846 transitions. [2022-11-19 08:22:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:22:23,302 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 08:22:23,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:23,313 INFO L225 Difference]: With dead ends: 507 [2022-11-19 08:22:23,313 INFO L226 Difference]: Without dead ends: 251 [2022-11-19 08:22:23,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:22:23,323 INFO L413 NwaCegarLoop]: 355 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, 355 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:23,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:22:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-19 08:22:23,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-19 08:22:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:22:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 350 transitions. [2022-11-19 08:22:23,387 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 350 transitions. Word has length 10 [2022-11-19 08:22:23,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:23,387 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 350 transitions. [2022-11-19 08:22:23,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:23,388 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 350 transitions. [2022-11-19 08:22:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:22:23,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:23,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:23,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:22:23,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:23,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:23,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:23,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1097669548, now seen corresponding path program 1 times [2022-11-19 08:22:23,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:22:23,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182813839] [2022-11-19 08:22:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:23,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:22:23,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:22:23,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 08:22:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:24,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-19 08:22:24,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:22:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:25,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:22:25,009 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:22:25,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182813839] [2022-11-19 08:22:25,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182813839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:25,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:25,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:22:25,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608036645] [2022-11-19 08:22:25,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:25,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:22:25,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:22:25,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:22:25,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:22:25,024 INFO L87 Difference]: Start difference. First operand 251 states and 350 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:25,503 INFO L93 Difference]: Finished difference Result 269 states and 370 transitions. [2022-11-19 08:22:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:22:25,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 08:22:25,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:25,506 INFO L225 Difference]: With dead ends: 269 [2022-11-19 08:22:25,506 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 08:22:25,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:22:25,510 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:25,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 77 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 0.3s Time] [2022-11-19 08:22:25,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 08:22:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 08:22:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:22:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-19 08:22:25,527 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2022-11-19 08:22:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:25,528 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-19 08:22:25,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:22:25,529 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-19 08:22:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:22:25,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:25,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:25,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 08:22:25,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:25,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:25,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:25,736 INFO L85 PathProgramCache]: Analyzing trace with hash 316558498, now seen corresponding path program 1 times [2022-11-19 08:22:25,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:22:25,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621085869] [2022-11-19 08:22:25,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:25,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:25,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:22:25,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:22:25,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 08:22:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:26,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 08:22:26,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:22:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:27,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:22:27,821 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:22:27,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621085869] [2022-11-19 08:22:27,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621085869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:27,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:27,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:22:27,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329288699] [2022-11-19 08:22:27,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:27,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:22:27,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:22:27,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:22:27,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:22:27,825 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:22:29,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:32,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:35,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:37,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:39,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:41,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:44,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:46,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:48,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:50,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:51,445 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-11-19 08:22:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:22:51,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-19 08:22:51,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:51,447 INFO L225 Difference]: With dead ends: 34 [2022-11-19 08:22:51,448 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 08:22:51,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:22:51,449 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 11 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:51,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 98 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 9 Unknown, 0 Unchecked, 23.1s Time] [2022-11-19 08:22:51,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 08:22:51,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 08:22:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:22:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-11-19 08:22:51,455 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 20 [2022-11-19 08:22:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:51,456 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-11-19 08:22:51,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:22:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-19 08:22:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 08:22:51,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:51,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:51,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-19 08:22:51,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:51,658 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:51,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1085588791, now seen corresponding path program 1 times [2022-11-19 08:22:51,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:22:51,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279615408] [2022-11-19 08:22:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:51,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:22:51,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:22:51,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:22:51,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 08:22:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:55,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:22:55,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:22:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:56,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:22:56,767 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:22:56,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279615408] [2022-11-19 08:22:56,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279615408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:56,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:56,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 08:22:56,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746050431] [2022-11-19 08:22:56,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:56,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:22:56,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:22:56,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:22:56,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:22:56,771 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:22:58,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:01,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:04,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:06,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:06,930 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2022-11-19 08:23:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:23:07,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-19 08:23:07,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:07,054 INFO L225 Difference]: With dead ends: 40 [2022-11-19 08:23:07,054 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 08:23:07,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:23:07,056 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 12 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:07,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 110 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 3 Unknown, 37 Unchecked, 10.0s Time] [2022-11-19 08:23:07,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 08:23:07,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 08:23:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:23:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2022-11-19 08:23:07,061 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 21 [2022-11-19 08:23:07,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:07,061 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-19 08:23:07,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:23:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-11-19 08:23:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:23:07,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:07,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:23:07,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:23:07,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:23:07,265 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:23:07,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:07,266 INFO L85 PathProgramCache]: Analyzing trace with hash 171899782, now seen corresponding path program 1 times [2022-11-19 08:23:07,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:23:07,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036066770] [2022-11-19 08:23:07,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:07,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:23:07,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:23:07,269 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:23:07,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 08:23:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:10,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 08:23:10,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:23:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:23:12,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:23:12,972 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:23:12,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036066770] [2022-11-19 08:23:12,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036066770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:12,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:23:12,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:23:12,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269808099] [2022-11-19 08:23:12,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:12,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:23:12,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:23:12,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:23:12,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:23:12,974 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:23:14,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:19,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:22,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:24,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 08:23:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:24,501 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2022-11-19 08:23:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:23:24,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-19 08:23:24,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:24,627 INFO L225 Difference]: With dead ends: 27 [2022-11-19 08:23:24,627 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:23:24,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:23:24,629 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:24,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 54 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2022-11-19 08:23:24,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:23:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:23:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:23:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:23:24,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-19 08:23:24,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:24,630 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:23:24,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:23:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:23:24,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:23:24,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:23:24,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-11-19 08:23:24,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:23:24,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:23:26,515 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 126 130) no Hoare annotation was computed. [2022-11-19 08:23:26,515 INFO L902 garLoopResultBuilder]: At program point L126-2(lines 126 130) the Hoare annotation is: true [2022-11-19 08:23:26,516 INFO L899 garLoopResultBuilder]: For program point L126-3(lines 126 130) no Hoare annotation was computed. [2022-11-19 08:23:26,516 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 134) no Hoare annotation was computed. [2022-11-19 08:23:26,516 INFO L899 garLoopResultBuilder]: For program point L122-2(lines 113 163) no Hoare annotation was computed. [2022-11-19 08:23:26,516 INFO L902 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: true [2022-11-19 08:23:26,516 INFO L899 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2022-11-19 08:23:26,517 INFO L899 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 113 163) no Hoare annotation was computed. [2022-11-19 08:23:26,517 INFO L902 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: true [2022-11-19 08:23:26,517 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-19 08:23:26,517 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2022-11-19 08:23:26,517 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2022-11-19 08:23:26,518 INFO L902 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: true [2022-11-19 08:23:26,518 INFO L899 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2022-11-19 08:23:26,518 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2022-11-19 08:23:26,518 INFO L902 garLoopResultBuilder]: At program point L115-2(lines 115 120) the Hoare annotation is: true [2022-11-19 08:23:26,519 INFO L899 garLoopResultBuilder]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2022-11-19 08:23:26,519 INFO L899 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 113 163) no Hoare annotation was computed. [2022-11-19 08:23:26,519 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2022-11-19 08:23:26,519 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 133) no Hoare annotation was computed. [2022-11-19 08:23:26,519 INFO L902 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 113 163) the Hoare annotation is: true [2022-11-19 08:23:26,520 INFO L902 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: true [2022-11-19 08:23:26,520 INFO L899 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2022-11-19 08:23:26,520 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 154) no Hoare annotation was computed. [2022-11-19 08:23:26,520 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 141 146) no Hoare annotation was computed. [2022-11-19 08:23:26,521 INFO L902 garLoopResultBuilder]: At program point L141-2(lines 141 146) the Hoare annotation is: true [2022-11-19 08:23:26,521 INFO L899 garLoopResultBuilder]: For program point L141-3(lines 141 146) no Hoare annotation was computed. [2022-11-19 08:23:26,521 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 153) no Hoare annotation was computed. [2022-11-19 08:23:26,521 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2022-11-19 08:23:26,521 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2022-11-19 08:23:26,522 INFO L902 garLoopResultBuilder]: At program point L95-1(lines 88 107) the Hoare annotation is: true [2022-11-19 08:23:26,522 INFO L899 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 88 107) no Hoare annotation was computed. [2022-11-19 08:23:26,522 INFO L899 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 88 107) no Hoare annotation was computed. [2022-11-19 08:23:26,522 INFO L902 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 88 107) the Hoare annotation is: true [2022-11-19 08:23:26,522 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 105) no Hoare annotation was computed. [2022-11-19 08:23:26,523 INFO L902 garLoopResultBuilder]: At program point L100-1(lines 88 107) the Hoare annotation is: true [2022-11-19 08:23:26,523 INFO L899 garLoopResultBuilder]: For program point L100-2(lines 100 105) no Hoare annotation was computed. [2022-11-19 08:23:26,523 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-11-19 08:23:26,523 INFO L902 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: true [2022-11-19 08:23:26,523 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 548) no Hoare annotation was computed. [2022-11-19 08:23:26,524 INFO L899 garLoopResultBuilder]: For program point L545-2(lines 545 548) no Hoare annotation was computed. [2022-11-19 08:23:26,524 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 539 543) no Hoare annotation was computed. [2022-11-19 08:23:26,524 INFO L895 garLoopResultBuilder]: At program point L539-2(lines 539 543) the Hoare annotation is: (or (not (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (= |__kernel_cos_#in~x| __kernel_cos_~x)) [2022-11-19 08:23:26,524 INFO L899 garLoopResultBuilder]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2022-11-19 08:23:26,524 INFO L899 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 536 570) no Hoare annotation was computed. [2022-11-19 08:23:26,524 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 565) no Hoare annotation was computed. [2022-11-19 08:23:26,524 INFO L899 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 536 570) no Hoare annotation was computed. [2022-11-19 08:23:26,524 INFO L902 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 536 570) the Hoare annotation is: true [2022-11-19 08:23:26,525 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 547) no Hoare annotation was computed. [2022-11-19 08:23:26,525 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 559 564) no Hoare annotation was computed. [2022-11-19 08:23:26,525 INFO L895 garLoopResultBuilder]: At program point L559-2(lines 559 564) the Hoare annotation is: (or (exists ((|v_skolemized_q#valueAsBitvector_107| (_ BitVec 64))) (and (= |__kernel_cos_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_107|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_107|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_107|))) (not (bvslt (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_107|)) (_ bv1044381696 32))))) (not (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2022-11-19 08:23:26,525 INFO L899 garLoopResultBuilder]: For program point L559-3(lines 556 565) no Hoare annotation was computed. [2022-11-19 08:23:26,525 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 569) no Hoare annotation was computed. [2022-11-19 08:23:26,526 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 503) no Hoare annotation was computed. [2022-11-19 08:23:26,526 INFO L895 garLoopResultBuilder]: At program point L498-1(lines 397 526) the Hoare annotation is: false [2022-11-19 08:23:26,526 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 503) no Hoare annotation was computed. [2022-11-19 08:23:26,526 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 202) no Hoare annotation was computed. [2022-11-19 08:23:26,526 INFO L899 garLoopResultBuilder]: For program point L201-2(lines 201 202) no Hoare annotation was computed. [2022-11-19 08:23:26,527 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 55) no Hoare annotation was computed. [2022-11-19 08:23:26,527 INFO L899 garLoopResultBuilder]: For program point L334-2(lines 334 335) no Hoare annotation was computed. [2022-11-19 08:23:26,527 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2022-11-19 08:23:26,527 INFO L895 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2022-11-19 08:23:26,527 INFO L899 garLoopResultBuilder]: For program point L334-4(lines 334 335) no Hoare annotation was computed. [2022-11-19 08:23:26,528 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 44) no Hoare annotation was computed. [2022-11-19 08:23:26,528 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 72) no Hoare annotation was computed. [2022-11-19 08:23:26,528 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 43) no Hoare annotation was computed. [2022-11-19 08:23:26,528 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2022-11-19 08:23:26,528 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 238) no Hoare annotation was computed. [2022-11-19 08:23:26,529 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 194 362) no Hoare annotation was computed. [2022-11-19 08:23:26,529 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 176) no Hoare annotation was computed. [2022-11-19 08:23:26,529 INFO L899 garLoopResultBuilder]: For program point L237-2(lines 194 362) no Hoare annotation was computed. [2022-11-19 08:23:26,529 INFO L895 garLoopResultBuilder]: At program point L171-1(lines 164 178) the Hoare annotation is: false [2022-11-19 08:23:26,529 INFO L899 garLoopResultBuilder]: For program point L171-2(lines 171 176) no Hoare annotation was computed. [2022-11-19 08:23:26,530 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 43) no Hoare annotation was computed. [2022-11-19 08:23:26,530 INFO L895 garLoopResultBuilder]: At program point L602(lines 602 631) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= ~one_kcos~0 .cse0) (= |ULTIMATE.start_cos_double_#res#1| .cse0))) [2022-11-19 08:23:26,530 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2022-11-19 08:23:26,530 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 404 408) no Hoare annotation was computed. [2022-11-19 08:23:26,531 INFO L895 garLoopResultBuilder]: At program point L404-2(lines 404 408) the Hoare annotation is: false [2022-11-19 08:23:26,531 INFO L899 garLoopResultBuilder]: For program point L338(line 338) no Hoare annotation was computed. [2022-11-19 08:23:26,531 INFO L899 garLoopResultBuilder]: For program point L404-3(lines 404 408) no Hoare annotation was computed. [2022-11-19 08:23:26,531 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 273) no Hoare annotation was computed. [2022-11-19 08:23:26,531 INFO L895 garLoopResultBuilder]: At program point L272-3(lines 272 273) the Hoare annotation is: false [2022-11-19 08:23:26,531 INFO L899 garLoopResultBuilder]: For program point L272-4(lines 270 287) no Hoare annotation was computed. [2022-11-19 08:23:26,532 INFO L899 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2022-11-19 08:23:26,532 INFO L899 garLoopResultBuilder]: For program point L240(lines 194 362) no Hoare annotation was computed. [2022-11-19 08:23:26,532 INFO L895 garLoopResultBuilder]: At program point L339-3(lines 339 343) the Hoare annotation is: false [2022-11-19 08:23:26,532 INFO L899 garLoopResultBuilder]: For program point L339-4(lines 339 343) no Hoare annotation was computed. [2022-11-19 08:23:26,532 INFO L899 garLoopResultBuilder]: For program point L207-2(lines 207 208) no Hoare annotation was computed. [2022-11-19 08:23:26,533 INFO L895 garLoopResultBuilder]: At program point L207-3(lines 207 208) the Hoare annotation is: false [2022-11-19 08:23:26,533 INFO L899 garLoopResultBuilder]: For program point L207-4(lines 207 208) no Hoare annotation was computed. [2022-11-19 08:23:26,533 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 505 510) no Hoare annotation was computed. [2022-11-19 08:23:26,533 INFO L895 garLoopResultBuilder]: At program point L505-2(lines 505 510) the Hoare annotation is: false [2022-11-19 08:23:26,533 INFO L899 garLoopResultBuilder]: For program point L505-3(lines 505 510) no Hoare annotation was computed. [2022-11-19 08:23:26,534 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-11-19 08:23:26,534 INFO L899 garLoopResultBuilder]: For program point L208-2(line 208) no Hoare annotation was computed. [2022-11-19 08:23:26,534 INFO L899 garLoopResultBuilder]: For program point L605-1(lines 605 609) no Hoare annotation was computed. [2022-11-19 08:23:26,534 INFO L895 garLoopResultBuilder]: At program point L605-2(lines 605 609) the Hoare annotation is: (and (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (fp.eq |ULTIMATE.start_cos_double_~x#1| (_ +zero 11 53))) [2022-11-19 08:23:26,534 INFO L899 garLoopResultBuilder]: For program point L605-3(lines 605 609) no Hoare annotation was computed. [2022-11-19 08:23:26,535 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 486) no Hoare annotation was computed. [2022-11-19 08:23:26,535 INFO L899 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2022-11-19 08:23:26,535 INFO L899 garLoopResultBuilder]: For program point L275-1(lines 275 276) no Hoare annotation was computed. [2022-11-19 08:23:26,535 INFO L899 garLoopResultBuilder]: For program point L275-3(lines 275 276) no Hoare annotation was computed. [2022-11-19 08:23:26,535 INFO L895 garLoopResultBuilder]: At program point L275-4(lines 275 276) the Hoare annotation is: false [2022-11-19 08:23:26,536 INFO L899 garLoopResultBuilder]: For program point L275-5(lines 275 276) no Hoare annotation was computed. [2022-11-19 08:23:26,536 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 309 312) no Hoare annotation was computed. [2022-11-19 08:23:26,536 INFO L895 garLoopResultBuilder]: At program point L309-3(lines 309 312) the Hoare annotation is: false [2022-11-19 08:23:26,536 INFO L895 garLoopResultBuilder]: At program point L177(lines 164 178) the Hoare annotation is: false [2022-11-19 08:23:26,536 INFO L899 garLoopResultBuilder]: For program point L243-2(lines 243 252) no Hoare annotation was computed. [2022-11-19 08:23:26,537 INFO L899 garLoopResultBuilder]: For program point L309-4(lines 309 312) no Hoare annotation was computed. [2022-11-19 08:23:26,537 INFO L899 garLoopResultBuilder]: For program point L210-2(lines 210 214) no Hoare annotation was computed. [2022-11-19 08:23:26,537 INFO L895 garLoopResultBuilder]: At program point L243-3(lines 243 252) the Hoare annotation is: false [2022-11-19 08:23:26,537 INFO L895 garLoopResultBuilder]: At program point L210-3(lines 210 214) the Hoare annotation is: false [2022-11-19 08:23:26,537 INFO L899 garLoopResultBuilder]: For program point L243-4(lines 240 268) no Hoare annotation was computed. [2022-11-19 08:23:26,538 INFO L899 garLoopResultBuilder]: For program point L210-4(lines 210 214) no Hoare annotation was computed. [2022-11-19 08:23:26,538 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 211 212) no Hoare annotation was computed. [2022-11-19 08:23:26,538 INFO L895 garLoopResultBuilder]: At program point L211-3(lines 211 212) the Hoare annotation is: false [2022-11-19 08:23:26,538 INFO L899 garLoopResultBuilder]: For program point L211-4(lines 211 212) no Hoare annotation was computed. [2022-11-19 08:23:26,538 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 84) no Hoare annotation was computed. [2022-11-19 08:23:26,539 INFO L895 garLoopResultBuilder]: At program point L79-1(lines 25 86) the Hoare annotation is: false [2022-11-19 08:23:26,539 INFO L899 garLoopResultBuilder]: For program point L79-2(lines 79 84) no Hoare annotation was computed. [2022-11-19 08:23:26,539 INFO L899 garLoopResultBuilder]: For program point L410(lines 410 414) no Hoare annotation was computed. [2022-11-19 08:23:26,539 INFO L899 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2022-11-19 08:23:26,539 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2022-11-19 08:23:26,540 INFO L895 garLoopResultBuilder]: At program point L344-3(lines 344 348) the Hoare annotation is: false [2022-11-19 08:23:26,540 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 283) no Hoare annotation was computed. [2022-11-19 08:23:26,540 INFO L899 garLoopResultBuilder]: For program point L344-4(lines 344 348) no Hoare annotation was computed. [2022-11-19 08:23:26,540 INFO L895 garLoopResultBuilder]: At program point L278-3(lines 278 283) the Hoare annotation is: false [2022-11-19 08:23:26,540 INFO L899 garLoopResultBuilder]: For program point L278-4(lines 278 283) no Hoare annotation was computed. [2022-11-19 08:23:26,540 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2022-11-19 08:23:26,541 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 651) no Hoare annotation was computed. [2022-11-19 08:23:26,541 INFO L899 garLoopResultBuilder]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2022-11-19 08:23:26,541 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 249) no Hoare annotation was computed. [2022-11-19 08:23:26,541 INFO L899 garLoopResultBuilder]: For program point L511-2(lines 511 514) no Hoare annotation was computed. [2022-11-19 08:23:26,541 INFO L895 garLoopResultBuilder]: At program point L511-3(lines 511 514) the Hoare annotation is: false [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L511-4(lines 511 514) no Hoare annotation was computed. [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L280-2(lines 280 281) no Hoare annotation was computed. [2022-11-19 08:23:26,542 INFO L895 garLoopResultBuilder]: At program point L280-3(lines 280 281) the Hoare annotation is: false [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L280-4(lines 280 281) no Hoare annotation was computed. [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 54) no Hoare annotation was computed. [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L446-2(lines 446 478) no Hoare annotation was computed. [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2022-11-19 08:23:26,542 INFO L895 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2022-11-19 08:23:26,542 INFO L899 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2022-11-19 08:23:26,543 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 51) no Hoare annotation was computed. [2022-11-19 08:23:26,543 INFO L899 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2022-11-19 08:23:26,543 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 630) no Hoare annotation was computed. [2022-11-19 08:23:26,543 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 485) no Hoare annotation was computed. [2022-11-19 08:23:26,543 INFO L899 garLoopResultBuilder]: For program point L315-2(lines 315 316) no Hoare annotation was computed. [2022-11-19 08:23:26,543 INFO L895 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2022-11-19 08:23:26,543 INFO L899 garLoopResultBuilder]: For program point L315-4(lines 315 316) no Hoare annotation was computed. [2022-11-19 08:23:26,543 INFO L895 garLoopResultBuilder]: At program point L613(line 613) the Hoare annotation is: (and (= ~one_kcos~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (fp.eq |ULTIMATE.start_cos_double_~x#1| (_ +zero 11 53))) [2022-11-19 08:23:26,543 INFO L899 garLoopResultBuilder]: For program point L613-1(line 613) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 439) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point L349-2(lines 349 350) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L895 garLoopResultBuilder]: At program point L349-3(lines 349 350) the Hoare annotation is: false [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point L349-4(lines 320 360) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L895 garLoopResultBuilder]: At program point L85(lines 25 86) the Hoare annotation is: false [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 650) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 438) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point L648(line 648) no Hoare annotation was computed. [2022-11-19 08:23:26,544 INFO L899 garLoopResultBuilder]: For program point L615(lines 615 630) no Hoare annotation was computed. [2022-11-19 08:23:26,545 INFO L895 garLoopResultBuilder]: At program point L285(lines 194 362) the Hoare annotation is: false [2022-11-19 08:23:26,545 INFO L899 garLoopResultBuilder]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2022-11-19 08:23:26,545 INFO L895 garLoopResultBuilder]: At program point L219-3(lines 219 223) the Hoare annotation is: false [2022-11-19 08:23:26,545 INFO L895 garLoopResultBuilder]: At program point L219-4(lines 219 223) the Hoare annotation is: false [2022-11-19 08:23:26,545 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 517 518) no Hoare annotation was computed. [2022-11-19 08:23:26,545 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 425) no Hoare annotation was computed. [2022-11-19 08:23:26,545 INFO L895 garLoopResultBuilder]: At program point L517-3(lines 517 518) the Hoare annotation is: false [2022-11-19 08:23:26,545 INFO L899 garLoopResultBuilder]: For program point L517-4(lines 517 518) no Hoare annotation was computed. [2022-11-19 08:23:26,545 INFO L899 garLoopResultBuilder]: For program point L418-2(lines 418 425) no Hoare annotation was computed. [2022-11-19 08:23:26,546 INFO L899 garLoopResultBuilder]: For program point L253-1(lines 240 268) no Hoare annotation was computed. [2022-11-19 08:23:26,546 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 452 456) no Hoare annotation was computed. [2022-11-19 08:23:26,546 INFO L895 garLoopResultBuilder]: At program point L452-2(lines 452 456) the Hoare annotation is: false [2022-11-19 08:23:26,546 INFO L899 garLoopResultBuilder]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2022-11-19 08:23:26,546 INFO L895 garLoopResultBuilder]: At program point L320(lines 320 360) the Hoare annotation is: false [2022-11-19 08:23:26,547 INFO L895 garLoopResultBuilder]: At program point L254(lines 254 261) the Hoare annotation is: false [2022-11-19 08:23:26,547 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 78) no Hoare annotation was computed. [2022-11-19 08:23:26,547 INFO L899 garLoopResultBuilder]: For program point L321(line 321) no Hoare annotation was computed. [2022-11-19 08:23:26,547 INFO L899 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2022-11-19 08:23:26,547 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 60) no Hoare annotation was computed. [2022-11-19 08:23:26,547 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2022-11-19 08:23:26,547 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:23:26,547 INFO L902 garLoopResultBuilder]: At program point L653(lines 633 654) the Hoare annotation is: true [2022-11-19 08:23:26,547 INFO L899 garLoopResultBuilder]: For program point L620(lines 620 629) no Hoare annotation was computed. [2022-11-19 08:23:26,548 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 491) no Hoare annotation was computed. [2022-11-19 08:23:26,548 INFO L899 garLoopResultBuilder]: For program point L323-2(lines 323 324) no Hoare annotation was computed. [2022-11-19 08:23:26,548 INFO L895 garLoopResultBuilder]: At program point L323-3(lines 323 324) the Hoare annotation is: false [2022-11-19 08:23:26,548 INFO L899 garLoopResultBuilder]: For program point L323-4(lines 323 324) no Hoare annotation was computed. [2022-11-19 08:23:26,548 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-11-19 08:23:26,549 INFO L899 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2022-11-19 08:23:26,549 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2022-11-19 08:23:26,549 INFO L895 garLoopResultBuilder]: At program point L622(line 622) the Hoare annotation is: false [2022-11-19 08:23:26,549 INFO L899 garLoopResultBuilder]: For program point L622-1(line 622) no Hoare annotation was computed. [2022-11-19 08:23:26,549 INFO L899 garLoopResultBuilder]: For program point L292-1(lines 292 295) no Hoare annotation was computed. [2022-11-19 08:23:26,549 INFO L895 garLoopResultBuilder]: At program point L292-3(lines 292 295) the Hoare annotation is: false [2022-11-19 08:23:26,550 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-19 08:23:26,550 INFO L899 garLoopResultBuilder]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2022-11-19 08:23:26,550 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 33) the Hoare annotation is: false [2022-11-19 08:23:26,562 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 33) no Hoare annotation was computed. [2022-11-19 08:23:26,562 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2022-11-19 08:23:26,562 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 477) no Hoare annotation was computed. [2022-11-19 08:23:26,563 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 446 478) no Hoare annotation was computed. [2022-11-19 08:23:26,563 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: false [2022-11-19 08:23:26,563 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2022-11-19 08:23:26,563 INFO L895 garLoopResultBuilder]: At program point L525(lines 397 526) the Hoare annotation is: false [2022-11-19 08:23:26,563 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2022-11-19 08:23:26,563 INFO L899 garLoopResultBuilder]: For program point L327-2(line 327) no Hoare annotation was computed. [2022-11-19 08:23:26,563 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2022-11-19 08:23:26,564 INFO L899 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2022-11-19 08:23:26,564 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 493 497) no Hoare annotation was computed. [2022-11-19 08:23:26,564 INFO L895 garLoopResultBuilder]: At program point L493-2(lines 493 497) the Hoare annotation is: false [2022-11-19 08:23:26,564 INFO L895 garLoopResultBuilder]: At program point L361(lines 193 362) the Hoare annotation is: false [2022-11-19 08:23:26,564 INFO L899 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2022-11-19 08:23:26,564 INFO L895 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2022-11-19 08:23:26,564 INFO L899 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2022-11-19 08:23:26,564 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-11-19 08:23:26,564 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 77) no Hoare annotation was computed. [2022-11-19 08:23:26,564 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L627(line 627) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 436) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L429-2(lines 429 436) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L895 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: false [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L330-2(lines 330 331) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L895 garLoopResultBuilder]: At program point L330-3(lines 330 331) the Hoare annotation is: false [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L330-4(lines 330 331) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2022-11-19 08:23:26,565 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 66 75) no Hoare annotation was computed. [2022-11-19 08:23:26,566 INFO L895 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: false [2022-11-19 08:23:26,566 INFO L899 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2022-11-19 08:23:26,566 INFO L899 garLoopResultBuilder]: For program point L298(lines 298 305) no Hoare annotation was computed. [2022-11-19 08:23:26,566 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 266) no Hoare annotation was computed. [2022-11-19 08:23:26,566 INFO L895 garLoopResultBuilder]: At program point L298-2(lines 289 306) the Hoare annotation is: false [2022-11-19 08:23:26,566 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2022-11-19 08:23:26,567 INFO L895 garLoopResultBuilder]: At program point L166-2(lines 166 170) the Hoare annotation is: false [2022-11-19 08:23:26,567 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 74) no Hoare annotation was computed. [2022-11-19 08:23:26,567 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2022-11-19 08:23:26,567 INFO L895 garLoopResultBuilder]: At program point L464-2(lines 464 468) the Hoare annotation is: false [2022-11-19 08:23:26,567 INFO L899 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2022-11-19 08:23:26,570 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2022-11-19 08:23:26,571 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2022-11-19 08:23:26,571 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 78) no Hoare annotation was computed. [2022-11-19 08:23:26,571 INFO L902 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 580 600) the Hoare annotation is: true [2022-11-19 08:23:26,572 INFO L899 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 580 600) no Hoare annotation was computed. [2022-11-19 08:23:26,572 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 592) no Hoare annotation was computed. [2022-11-19 08:23:26,573 INFO L899 garLoopResultBuilder]: For program point L589-2(lines 589 592) no Hoare annotation was computed. [2022-11-19 08:23:26,573 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 583 587) no Hoare annotation was computed. [2022-11-19 08:23:26,573 INFO L902 garLoopResultBuilder]: At program point L583-2(lines 583 587) the Hoare annotation is: true [2022-11-19 08:23:26,573 INFO L899 garLoopResultBuilder]: For program point L583-3(lines 583 587) no Hoare annotation was computed. [2022-11-19 08:23:26,573 INFO L899 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 580 600) no Hoare annotation was computed. [2022-11-19 08:23:26,573 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 599) no Hoare annotation was computed. [2022-11-19 08:23:26,574 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 591) no Hoare annotation was computed. [2022-11-19 08:23:26,577 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 08:23:26,579 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:23:26,595 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,596 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,597 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,597 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,598 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:23:26 BoogieIcfgContainer [2022-11-19 08:23:26,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:23:26,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:23:26,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:23:26,602 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:23:26,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:22" (3/4) ... [2022-11-19 08:23:26,606 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:23:26,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2022-11-19 08:23:26,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2022-11-19 08:23:26,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2022-11-19 08:23:26,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2022-11-19 08:23:26,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2022-11-19 08:23:26,631 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-19 08:23:26,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:23:26,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:23:26,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) || \old(x) == x [2022-11-19 08:23:26,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2022-11-19 08:23:26,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_107 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_107[63:63], v_skolemized_q#valueAsBitvector_107[62:52], v_skolemized_q#valueAsBitvector_107[51:0]) && !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_107[63:32]), 1044381696bv32)) || !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) [2022-11-19 08:23:26,743 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:23:26,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:23:26,744 INFO L158 Benchmark]: Toolchain (without parser) took 130064.13ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 48.3MB in the beginning and 77.2MB in the end (delta: -28.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-19 08:23:26,745 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:23:26,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.23ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 42.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:23:26,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.55ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 35.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:23:26,746 INFO L158 Benchmark]: Boogie Preprocessor took 115.41ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 59.7MB in the end (delta: -23.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-11-19 08:23:26,747 INFO L158 Benchmark]: RCFGBuilder took 64906.14ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 59.7MB in the beginning and 64.7MB in the end (delta: -5.0MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2022-11-19 08:23:26,747 INFO L158 Benchmark]: TraceAbstraction took 64147.72ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 86.7MB in the end (delta: -22.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-19 08:23:26,747 INFO L158 Benchmark]: Witness Printer took 142.66ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 77.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:23:26,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.23ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 42.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.55ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 35.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.41ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 59.7MB in the end (delta: -23.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 64906.14ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 59.7MB in the beginning and 64.7MB in the end (delta: -5.0MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 64147.72ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 86.7MB in the end (delta: -22.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Witness Printer took 142.66ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 77.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 648]: 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 5 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 64.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 46.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 44.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 694 SdHoareTripleChecker+Invalid, 42.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 41 IncrementalHoareTripleChecker+Unchecked, 244 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 450 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 164 PreInvPairs, 171 NumberOfFragments, 126 HoareAnnotationTreeSize, 164 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 67 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.5s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 10 QuantifiedInterpolants, 369 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1209 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && ~fp.eq~DOUBLE(x, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) || \old(x) == x - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant [2022-11-19 08:23:26,764 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,764 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,765 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,765 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,765 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,766 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,766 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] [2022-11-19 08:23:26,766 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_107,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_107 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_107[63:63], v_skolemized_q#valueAsBitvector_107[62:52], v_skolemized_q#valueAsBitvector_107[51:0]) && !~bvslt32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_107[63:32]), 1044381696bv32)) || !(one_kcos == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-19 08:23:27,003 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-19 08:23:27,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3af2c21-8f70-4a43-b3aa-878871fdeeb4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE