./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:26:25,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:26:25,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:26:25,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:26:25,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:26:25,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:26:25,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:26:25,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:26:25,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:26:25,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:26:25,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:26:25,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:26:25,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:26:25,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:26:25,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:26:25,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:26:25,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:26:25,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:26:25,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:26:25,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:26:25,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:26:25,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:26:25,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:26:25,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:26:25,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:26:25,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:26:25,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:26:25,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:26:25,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:26:25,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:26:25,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:26:25,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:26:25,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:26:25,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:26:25,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:26:25,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:26:25,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:26:25,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:26:25,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:26:25,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:26:25,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:26:25,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:26:25,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:26:25,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:26:25,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:26:25,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:26:25,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:26:25,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:26:25,966 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:26:25,967 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:26:25,967 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:26:25,967 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:26:25,968 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:26:25,968 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:26:25,968 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:26:25,969 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:26:25,969 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:26:25,969 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:26:25,969 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:26:25,969 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:26:25,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:26:25,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:26:25,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:26:25,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:26:25,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:26:25,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:26:25,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:26:25,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:26:25,972 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:26:25,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:26:25,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:26:25,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:26:25,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:26:25,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:26:25,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:26:25,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:26:25,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:26:25,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:26:25,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:26:25,974 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:26:25,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:26:25,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:26:25,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:26:25,975 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_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 [2022-11-03 02:26:26,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:26:26,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:26:26,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:26:26,287 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:26:26,291 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:26:26,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2022-11-03 02:26:26,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/f2cab3b1b/8963e45ac16b453cb671e2bef5ccee5f/FLAGb3da52ee3 [2022-11-03 02:26:26,925 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:26:26,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2022-11-03 02:26:26,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/f2cab3b1b/8963e45ac16b453cb671e2bef5ccee5f/FLAGb3da52ee3 [2022-11-03 02:26:27,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/f2cab3b1b/8963e45ac16b453cb671e2bef5ccee5f [2022-11-03 02:26:27,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:26:27,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:26:27,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:26:27,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:26:27,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:26:27,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e6d626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27, skipping insertion in model container [2022-11-03 02:26:27,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:26:27,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:26:27,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2022-11-03 02:26:27,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:26:27,626 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:26:27,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2022-11-03 02:26:27,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:26:27,690 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:26:27,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27 WrapperNode [2022-11-03 02:26:27,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:26:27,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:26:27,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:26:27,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:26:27,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,751 INFO L138 Inliner]: procedures = 20, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 249 [2022-11-03 02:26:27,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:26:27,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:26:27,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:26:27,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:26:27,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:26:27,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:26:27,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:26:27,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:26:27,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (1/1) ... [2022-11-03 02:26:27,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:26:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:26:27,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:26:27,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:26:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:26:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:26:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:26:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 02:26:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:26:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-11-03 02:26:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-11-03 02:26:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-03 02:26:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-11-03 02:26:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-11-03 02:26:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:26:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:26:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:26:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-03 02:26:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:26:28,133 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:26:28,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:26:28,734 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:26:28,889 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:26:28,893 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-03 02:26:28,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:28 BoogieIcfgContainer [2022-11-03 02:26:28,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:26:28,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:26:28,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:26:28,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:26:28,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:26:27" (1/3) ... [2022-11-03 02:26:28,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5594a0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:26:28, skipping insertion in model container [2022-11-03 02:26:28,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:27" (2/3) ... [2022-11-03 02:26:28,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5594a0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:26:28, skipping insertion in model container [2022-11-03 02:26:28,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:28" (3/3) ... [2022-11-03 02:26:28,906 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2022-11-03 02:26:28,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:26:28,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:26:29,014 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:26:29,024 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;@5a3b11da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:26:29,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:26:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 66 states have (on average 1.7121212121212122) internal successors, (113), 67 states have internal predecessors, (113), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:26:29,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:26:29,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:29,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:29,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:26:29,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:29,046 INFO L85 PathProgramCache]: Analyzing trace with hash 475707120, now seen corresponding path program 1 times [2022-11-03 02:26:29,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:29,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567866120] [2022-11-03 02:26:29,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:29,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:29,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567866120] [2022-11-03 02:26:29,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567866120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:29,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:29,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:26:29,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371623417] [2022-11-03 02:26:29,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:29,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:26:29,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:29,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:26:29,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:26:29,378 INFO L87 Difference]: Start difference. First operand has 74 states, 66 states have (on average 1.7121212121212122) internal successors, (113), 67 states have internal predecessors, (113), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:29,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:29,466 INFO L93 Difference]: Finished difference Result 147 states and 245 transitions. [2022-11-03 02:26:29,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:26:29,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 02:26:29,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:29,480 INFO L225 Difference]: With dead ends: 147 [2022-11-03 02:26:29,480 INFO L226 Difference]: Without dead ends: 72 [2022-11-03 02:26:29,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:26:29,498 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:29,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:26:29,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-03 02:26:29,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-03 02:26:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.4153846153846155) internal successors, (92), 65 states have internal predecessors, (92), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:26:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2022-11-03 02:26:29,541 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 10 [2022-11-03 02:26:29,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:29,541 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2022-11-03 02:26:29,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2022-11-03 02:26:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:26:29,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:29,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:29,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:26:29,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:26:29,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1527674777, now seen corresponding path program 1 times [2022-11-03 02:26:29,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:29,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880228248] [2022-11-03 02:26:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:29,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:26:29,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:26:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:26:29,828 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:26:29,828 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:26:29,830 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:26:29,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:26:29,835 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 02:26:29,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:26:29,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:26:29 BoogieIcfgContainer [2022-11-03 02:26:29,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:26:29,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:26:29,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:26:29,869 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:26:29,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:28" (3/4) ... [2022-11-03 02:26:29,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:26:29,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:26:29,874 INFO L158 Benchmark]: Toolchain (without parser) took 2611.16ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 80.9MB in the beginning and 81.4MB in the end (delta: -571.1kB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2022-11-03 02:26:29,874 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:26:29,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.76ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 80.7MB in the beginning and 133.0MB in the end (delta: -52.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:26:29,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.18ms. Allocated memory is still 163.6MB. Free memory was 133.0MB in the beginning and 129.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:26:29,876 INFO L158 Benchmark]: Boogie Preprocessor took 97.13ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 126.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:26:29,876 INFO L158 Benchmark]: RCFGBuilder took 1046.21ms. Allocated memory is still 163.6MB. Free memory was 126.1MB in the beginning and 131.8MB in the end (delta: -5.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-03 02:26:29,877 INFO L158 Benchmark]: TraceAbstraction took 969.27ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 82.0MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-03 02:26:29,877 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 163.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:26:29,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.76ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 80.7MB in the beginning and 133.0MB in the end (delta: -52.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.18ms. Allocated memory is still 163.6MB. Free memory was 133.0MB in the beginning and 129.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.13ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 126.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1046.21ms. Allocated memory is still 163.6MB. Free memory was 126.1MB in the beginning and 131.8MB in the end (delta: -5.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 969.27ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 82.0MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 163.6MB. Free memory is still 81.4MB. 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: 270]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 269. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L265] double x = 0.0; [L266] double y = 0.0; [L267] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=0, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=0, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=0, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, ix=0, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=0, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=0, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, hy=-1, ix=0, iy=2146435073, lx=0, ly=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=0, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=0, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2, hy=-1, ix=0, iy=2146435073, lx=0, ly=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=0, zero_atan2=0] [L267] RET, EXPR __ieee754_atan2(y, x) [L267] double res = __ieee754_atan2(y, x); [L269] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, res == 0.0 && __signbit_double(res) == 0=0, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=0, zero_atan2=0] [L269] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L270] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=0, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 14 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=74occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 02:26:29,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:26:32,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:26:32,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:26:32,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:26:32,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:26:32,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:26:32,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:26:32,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:26:32,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:26:32,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:26:32,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:26:32,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:26:32,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:26:32,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:26:32,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:26:32,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:26:32,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:26:32,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:26:32,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:26:32,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:26:32,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:26:32,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:26:32,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:26:32,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:26:32,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:26:32,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:26:32,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:26:32,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:26:32,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:26:32,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:26:32,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:26:32,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:26:32,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:26:32,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:26:32,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:26:32,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:26:32,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:26:32,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:26:32,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:26:32,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:26:32,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:26:32,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 02:26:32,442 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:26:32,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:26:32,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:26:32,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:26:32,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:26:32,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:26:32,445 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:26:32,445 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:26:32,445 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:26:32,445 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:26:32,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:26:32,447 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:26:32,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:26:32,448 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:26:32,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:26:32,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:26:32,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:26:32,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:26:32,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:26:32,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:26:32,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:26:32,450 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:26:32,450 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:26:32,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:26:32,450 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:26:32,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:26:32,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:26:32,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:26:32,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:26:32,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:26:32,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:26:32,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:26:32,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:26:32,452 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:26:32,453 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:26:32,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:26:32,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:26:32,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:26:32,461 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_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ade1ef6f39670f85f34fd118229c96ac1c225bb515b821a13b4050f3a28ad6 [2022-11-03 02:26:32,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:26:32,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:26:32,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:26:32,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:26:32,878 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:26:32,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2022-11-03 02:26:32,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/fb1f5df9c/4c357d1ca3fe46ef9e91173befb8daf9/FLAGc1fa35e13 [2022-11-03 02:26:33,532 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:26:33,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2022-11-03 02:26:33,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/fb1f5df9c/4c357d1ca3fe46ef9e91173befb8daf9/FLAGc1fa35e13 [2022-11-03 02:26:33,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/data/fb1f5df9c/4c357d1ca3fe46ef9e91173befb8daf9 [2022-11-03 02:26:33,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:26:33,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:26:33,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:26:33,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:26:33,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:26:33,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:26:33" (1/1) ... [2022-11-03 02:26:33,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb46d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:33, skipping insertion in model container [2022-11-03 02:26:33,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:26:33" (1/1) ... [2022-11-03 02:26:33,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:26:33,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:26:34,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2022-11-03 02:26:34,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:26:34,245 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:26:34,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2022-11-03 02:26:34,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:26:34,320 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:26:34,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34 WrapperNode [2022-11-03 02:26:34,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:26:34,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:26:34,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:26:34,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:26:34,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,410 INFO L138 Inliner]: procedures = 23, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 249 [2022-11-03 02:26:34,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:26:34,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:26:34,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:26:34,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:26:34,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,455 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:26:34,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:26:34,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:26:34,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:26:34,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (1/1) ... [2022-11-03 02:26:34,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:26:34,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:26:34,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:26:34,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:26:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:26:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-03 02:26:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-03 02:26:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:26:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:26:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-11-03 02:26:34,543 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-11-03 02:26:34,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-03 02:26:34,543 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-11-03 02:26:34,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-11-03 02:26:34,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:26:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:26:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:26:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:26:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:26:34,673 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:26:34,676 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:26:54,613 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:26:54,621 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:26:54,622 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-03 02:26:54,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:54 BoogieIcfgContainer [2022-11-03 02:26:54,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:26:54,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:26:54,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:26:54,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:26:54,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:26:33" (1/3) ... [2022-11-03 02:26:54,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d778fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:26:54, skipping insertion in model container [2022-11-03 02:26:54,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:26:34" (2/3) ... [2022-11-03 02:26:54,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d778fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:26:54, skipping insertion in model container [2022-11-03 02:26:54,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:54" (3/3) ... [2022-11-03 02:26:54,636 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2022-11-03 02:26:54,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:26:54,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:26:54,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:26:54,722 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;@32ce26c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:26:54,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:26:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 89 states have (on average 1.6629213483146068) internal successors, (148), 90 states have internal predecessors, (148), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:26:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:26:54,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:54,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:54,737 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:26:54,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:54,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1577988125, now seen corresponding path program 1 times [2022-11-03 02:26:54,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:26:54,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573971333] [2022-11-03 02:26:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:54,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:26:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:26:54,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:26:54,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:26:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:55,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 02:26:55,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:26:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:55,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:26:55,263 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:26:55,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573971333] [2022-11-03 02:26:55,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573971333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:55,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:55,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:26:55,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824916604] [2022-11-03 02:26:55,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:55,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:26:55,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:26:55,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:26:55,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:26:55,318 INFO L87 Difference]: Start difference. First operand has 97 states, 89 states have (on average 1.6629213483146068) internal successors, (148), 90 states have internal predecessors, (148), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:55,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:55,380 INFO L93 Difference]: Finished difference Result 192 states and 314 transitions. [2022-11-03 02:26:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:26:55,385 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:26:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:55,400 INFO L225 Difference]: With dead ends: 192 [2022-11-03 02:26:55,400 INFO L226 Difference]: Without dead ends: 94 [2022-11-03 02:26:55,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:26:55,406 INFO L413 NwaCegarLoop]: 137 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, 137 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:55,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:26:55,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-03 02:26:55,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-03 02:26:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:26:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 134 transitions. [2022-11-03 02:26:55,462 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 134 transitions. Word has length 11 [2022-11-03 02:26:55,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:55,462 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 134 transitions. [2022-11-03 02:26:55,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:26:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2022-11-03 02:26:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:26:55,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:55,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:55,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 02:26:55,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:26:55,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:26:55,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:55,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1202416212, now seen corresponding path program 1 times [2022-11-03 02:26:55,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:26:55,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115064989] [2022-11-03 02:26:55,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:55,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:26:55,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:26:55,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:26:55,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:26:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:56,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:26:56,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:26:56,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2022-11-03 02:26:57,987 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2022-11-03 02:26:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:59,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:26:59,457 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:26:59,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115064989] [2022-11-03 02:26:59,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115064989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:59,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:59,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:26:59,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392427087] [2022-11-03 02:26:59,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:59,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:26:59,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:26:59,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:26:59,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:26:59,462 INFO L87 Difference]: Start difference. First operand 94 states and 134 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:02,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:02,497 INFO L93 Difference]: Finished difference Result 103 states and 143 transitions. [2022-11-03 02:27:02,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:27:02,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 02:27:02,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:02,676 INFO L225 Difference]: With dead ends: 103 [2022-11-03 02:27:02,676 INFO L226 Difference]: Without dead ends: 94 [2022-11-03 02:27:02,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:27:02,678 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 2 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:02,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 698 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 70 Unchecked, 2.7s Time] [2022-11-03 02:27:02,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-03 02:27:02,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-03 02:27:02,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 87 states have (on average 1.4367816091954022) internal successors, (125), 87 states have internal predecessors, (125), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:27:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 133 transitions. [2022-11-03 02:27:02,692 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 133 transitions. Word has length 13 [2022-11-03 02:27:02,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:02,693 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 133 transitions. [2022-11-03 02:27:02,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2022-11-03 02:27:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:27:02,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:02,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:02,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:27:02,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:27:02,903 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:27:02,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash 2039257012, now seen corresponding path program 1 times [2022-11-03 02:27:02,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:27:02,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820886474] [2022-11-03 02:27:02,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:02,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:27:02,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:27:02,907 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:27:02,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:27:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:03,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:27:03,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:27:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:04,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:27:04,354 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:27:04,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820886474] [2022-11-03 02:27:04,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820886474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:04,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:04,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:27:04,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448624253] [2022-11-03 02:27:04,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:04,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:27:04,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:27:04,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:27:04,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:27:04,357 INFO L87 Difference]: Start difference. First operand 94 states and 133 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:04,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:04,586 INFO L93 Difference]: Finished difference Result 113 states and 152 transitions. [2022-11-03 02:27:04,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:27:04,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 02:27:04,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:04,589 INFO L225 Difference]: With dead ends: 113 [2022-11-03 02:27:04,589 INFO L226 Difference]: Without dead ends: 103 [2022-11-03 02:27:04,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:04,591 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 69 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:04,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 322 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-11-03 02:27:04,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-03 02:27:04,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 94. [2022-11-03 02:27:04,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 87 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:27:04,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2022-11-03 02:27:04,602 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 18 [2022-11-03 02:27:04,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:04,602 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2022-11-03 02:27:04,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2022-11-03 02:27:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:27:04,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:04,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:04,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-03 02:27:04,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:27:04,817 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:27:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:04,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2096515314, now seen corresponding path program 1 times [2022-11-03 02:27:04,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:27:04,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186727923] [2022-11-03 02:27:04,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:04,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:27:04,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:27:04,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:27:04,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:27:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:05,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 02:27:05,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:27:05,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:27:05,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-03 02:27:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:07,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:27:07,683 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:27:07,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186727923] [2022-11-03 02:27:07,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186727923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:07,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:07,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:27:07,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922903414] [2022-11-03 02:27:07,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:07,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:27:07,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:27:07,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:27:07,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:27:07,686 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:10,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:10,670 INFO L93 Difference]: Finished difference Result 178 states and 247 transitions. [2022-11-03 02:27:10,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:27:10,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 02:27:10,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:10,910 INFO L225 Difference]: With dead ends: 178 [2022-11-03 02:27:10,911 INFO L226 Difference]: Without dead ends: 103 [2022-11-03 02:27:10,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:27:10,912 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 14 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:10,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 625 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 35 Unchecked, 2.7s Time] [2022-11-03 02:27:10,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-03 02:27:10,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 94. [2022-11-03 02:27:10,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 87 states have internal predecessors, (123), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:27:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2022-11-03 02:27:10,942 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 18 [2022-11-03 02:27:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:10,942 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2022-11-03 02:27:10,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2022-11-03 02:27:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:27:10,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:10,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:10,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:27:11,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:27:11,164 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:27:11,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:11,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1806187276, now seen corresponding path program 1 times [2022-11-03 02:27:11,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:27:11,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095463124] [2022-11-03 02:27:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:11,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:27:11,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:27:11,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:27:11,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:27:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:11,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:27:11,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:27:11,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2022-11-03 02:27:12,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-03 02:27:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:14,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:27:14,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:27:14,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095463124] [2022-11-03 02:27:14,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095463124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:14,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:14,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:27:14,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627812524] [2022-11-03 02:27:14,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:14,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:27:14,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:27:14,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:27:14,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:27:14,411 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:14,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:14,949 INFO L93 Difference]: Finished difference Result 146 states and 194 transitions. [2022-11-03 02:27:14,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:27:14,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 02:27:14,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:14,951 INFO L225 Difference]: With dead ends: 146 [2022-11-03 02:27:14,951 INFO L226 Difference]: Without dead ends: 66 [2022-11-03 02:27:14,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:27:14,953 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 13 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:14,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 333 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 31 Unchecked, 0.2s Time] [2022-11-03 02:27:14,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-03 02:27:14,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 57. [2022-11-03 02:27:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 52 states have (on average 1.25) internal successors, (65), 52 states have internal predecessors, (65), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:27:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-11-03 02:27:14,962 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 18 [2022-11-03 02:27:14,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:14,962 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-11-03 02:27:14,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:14,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-03 02:27:14,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:27:14,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:14,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:14,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:27:15,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:27:15,179 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:27:15,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:15,180 INFO L85 PathProgramCache]: Analyzing trace with hash 713772658, now seen corresponding path program 1 times [2022-11-03 02:27:15,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:27:15,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433825782] [2022-11-03 02:27:15,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:27:15,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:27:15,186 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:27:15,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:27:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:15,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:27:15,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:27:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:16,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:27:16,320 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:27:16,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433825782] [2022-11-03 02:27:16,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433825782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:16,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:16,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:27:16,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775089409] [2022-11-03 02:27:16,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:16,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:27:16,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:27:16,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:27:16,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:16,324 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:17,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:17,327 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-11-03 02:27:17,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:27:17,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 02:27:17,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:17,329 INFO L225 Difference]: With dead ends: 69 [2022-11-03 02:27:17,329 INFO L226 Difference]: Without dead ends: 66 [2022-11-03 02:27:17,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:27:17,331 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 35 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:17,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 228 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:27:17,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-03 02:27:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2022-11-03 02:27:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:27:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-11-03 02:27:17,339 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 18 [2022-11-03 02:27:17,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:17,340 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-11-03 02:27:17,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-03 02:27:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:27:17,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:17,342 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] [2022-11-03 02:27:17,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:27:17,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:27:17,565 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:27:17,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:17,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1643552697, now seen corresponding path program 1 times [2022-11-03 02:27:17,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:27:17,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521316260] [2022-11-03 02:27:17,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:17,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:27:17,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:27:17,568 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:27:17,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 02:27:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:17,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-03 02:27:17,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:27:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:20,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:27:20,214 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:27:20,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521316260] [2022-11-03 02:27:20,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521316260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:20,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:20,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:27:20,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493236925] [2022-11-03 02:27:20,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:20,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:27:20,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:27:20,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:27:20,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:27:20,216 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:22,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:22,718 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2022-11-03 02:27:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:27:22,719 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-03 02:27:22,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:22,720 INFO L225 Difference]: With dead ends: 69 [2022-11-03 02:27:22,720 INFO L226 Difference]: Without dead ends: 56 [2022-11-03 02:27:22,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:27:22,722 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 29 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:22,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 471 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 9 Unchecked, 0.9s Time] [2022-11-03 02:27:22,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-03 02:27:22,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2022-11-03 02:27:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:27:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2022-11-03 02:27:22,729 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 22 [2022-11-03 02:27:22,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:22,730 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2022-11-03 02:27:22,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2022-11-03 02:27:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:27:22,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:22,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:22,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:27:22,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:27:22,951 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:27:22,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:22,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1094861174, now seen corresponding path program 1 times [2022-11-03 02:27:22,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:27:22,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580721378] [2022-11-03 02:27:22,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:22,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:27:22,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:27:22,953 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:27:22,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:27:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:23,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:27:23,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:27:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:24,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:27:24,226 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:27:24,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580721378] [2022-11-03 02:27:24,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580721378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:24,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:24,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:27:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143109823] [2022-11-03 02:27:24,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:24,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:27:24,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:27:24,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:27:24,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:27:24,229 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-03 02:27:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:24,390 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2022-11-03 02:27:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:27:24,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 26 [2022-11-03 02:27:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:24,390 INFO L225 Difference]: With dead ends: 53 [2022-11-03 02:27:24,391 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:27:24,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:24,392 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:24,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2022-11-03 02:27:24,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:27:24,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:27:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:27:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:27:24,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-11-03 02:27:24,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:24,394 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:27:24,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-03 02:27:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:27:24,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:27:24,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:27:24,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:27:24,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:27:24,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:27:26,357 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2022-11-03 02:27:26,357 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 19 33) the Hoare annotation is: true [2022-11-03 02:27:26,357 INFO L899 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2022-11-03 02:27:26,357 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2022-11-03 02:27:26,357 INFO L902 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 19 33) the Hoare annotation is: true [2022-11-03 02:27:26,358 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-11-03 02:27:26,358 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-11-03 02:27:26,358 INFO L899 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 19 33) no Hoare annotation was computed. [2022-11-03 02:27:26,358 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-11-03 02:27:26,359 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-03 02:27:26,359 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2022-11-03 02:27:26,359 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2022-11-03 02:27:26,359 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2022-11-03 02:27:26,359 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2022-11-03 02:27:26,360 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2022-11-03 02:27:26,360 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2022-11-03 02:27:26,360 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2022-11-03 02:27:26,360 INFO L899 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2022-11-03 02:27:26,360 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2022-11-03 02:27:26,360 INFO L902 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2022-11-03 02:27:26,361 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2022-11-03 02:27:26,361 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2022-11-03 02:27:26,361 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2022-11-03 02:27:26,361 INFO L899 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2022-11-03 02:27:26,361 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2022-11-03 02:27:26,362 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2022-11-03 02:27:26,362 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2022-11-03 02:27:26,362 INFO L899 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2022-11-03 02:27:26,362 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-11-03 02:27:26,362 INFO L902 garLoopResultBuilder]: At program point atan_doubleENTRY(lines 66 134) the Hoare annotation is: true [2022-11-03 02:27:26,363 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2022-11-03 02:27:26,381 INFO L899 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2022-11-03 02:27:26,381 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2022-11-03 02:27:26,381 INFO L899 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2022-11-03 02:27:26,381 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2022-11-03 02:27:26,381 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L269(line 269) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 272) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2022-11-03 02:27:26,382 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2022-11-03 02:27:26,383 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2022-11-03 02:27:26,383 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2022-11-03 02:27:26,383 INFO L895 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2022-11-03 02:27:26,383 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-11-03 02:27:26,384 INFO L899 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2022-11-03 02:27:26,385 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2022-11-03 02:27:26,385 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2022-11-03 02:27:26,385 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-03 02:27:26,385 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-03 02:27:26,385 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-03 02:27:26,386 INFO L899 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2022-11-03 02:27:26,386 INFO L895 garLoopResultBuilder]: At program point L255(lines 246 256) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short45#1| (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~y#1|) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|)) [2022-11-03 02:27:26,386 INFO L899 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2022-11-03 02:27:26,386 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2022-11-03 02:27:26,387 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_25| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_25|) .cse0) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_25|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_25|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_25|))) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) .cse0))))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~y#1|) (exists ((|v_skolemized_q#valueAsBitvector_34| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9|))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_34|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_34|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_34|) (select .cse1 (_ bv4 32))) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_34|))))) (exists ((|v_skolemized_q#valueAsBitvector_54| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_54|))) (= |ULTIMATE.start___ieee754_atan2_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_54|)))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~x#1|)) [2022-11-03 02:27:26,387 INFO L899 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2022-11-03 02:27:26,387 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2022-11-03 02:27:26,387 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-03 02:27:26,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:27:26,388 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-03 02:27:26,388 INFO L902 garLoopResultBuilder]: At program point L273(lines 258 274) the Hoare annotation is: true [2022-11-03 02:27:26,388 INFO L899 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2022-11-03 02:27:26,388 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2022-11-03 02:27:26,388 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-03 02:27:26,388 INFO L899 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2022-11-03 02:27:26,389 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2022-11-03 02:27:26,389 INFO L895 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2022-11-03 02:27:26,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 02:27:26,389 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-11-03 02:27:26,389 INFO L895 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_atan2_#res#1| (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~y#1|)) [2022-11-03 02:27:26,389 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-03 02:27:26,390 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-03 02:27:26,390 INFO L899 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2022-11-03 02:27:26,390 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2022-11-03 02:27:26,390 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 02:27:26,390 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 270) no Hoare annotation was computed. [2022-11-03 02:27:26,391 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2022-11-03 02:27:26,391 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2022-11-03 02:27:26,391 INFO L895 garLoopResultBuilder]: At program point L231-1(lines 224 237) the Hoare annotation is: false [2022-11-03 02:27:26,391 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2022-11-03 02:27:26,391 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2022-11-03 02:27:26,391 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2022-11-03 02:27:26,392 INFO L895 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~y#1|) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~x#1|)) [2022-11-03 02:27:26,392 INFO L899 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2022-11-03 02:27:26,392 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-03 02:27:26,392 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2022-11-03 02:27:26,392 INFO L899 garLoopResultBuilder]: For program point L249-1(lines 249 253) no Hoare annotation was computed. [2022-11-03 02:27:26,392 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-11-03 02:27:26,393 INFO L895 garLoopResultBuilder]: At program point L249-2(lines 249 253) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_atan2_#res#1| (_ +zero 11 53)) |ULTIMATE.start_main_#t~short45#1| (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~y#1|) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|)) [2022-11-03 02:27:26,393 INFO L899 garLoopResultBuilder]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2022-11-03 02:27:26,393 INFO L899 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2022-11-03 02:27:26,393 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2022-11-03 02:27:26,393 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2022-11-03 02:27:26,397 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:26,399 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:27:26,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,420 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,420 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,420 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,420 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,420 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,421 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:27:26 BoogieIcfgContainer [2022-11-03 02:27:26,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:27:26,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:27:26,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:27:26,425 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:27:26,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:26:54" (3/4) ... [2022-11-03 02:27:26,429 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:27:26,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2022-11-03 02:27:26,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2022-11-03 02:27:26,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-11-03 02:27:26,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-03 02:27:26,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 02:27:26,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:27:26,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_q#valueAsBitvector_25 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_25[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_25[63:63], v_skolemized_q#valueAsBitvector_25[62:52], v_skolemized_q#valueAsBitvector_25[51:0])) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32])) && ~Pluszero~LONGDOUBLE() == y) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9 : bv32 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) && v_skolemized_q#valueAsBitvector_34[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][0bv32] == v_skolemized_q#valueAsBitvector_34[31:0])) && (\exists v_skolemized_q#valueAsBitvector_54 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_54[63:63], v_skolemized_q#valueAsBitvector_54[62:52], v_skolemized_q#valueAsBitvector_54[51:0]) && hx == v_skolemized_q#valueAsBitvector_54[63:32])) && ~Pluszero~LONGDOUBLE() == x [2022-11-03 02:27:26,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == y [2022-11-03 02:27:26,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~Pluszero~LONGDOUBLE() && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == y) && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x [2022-11-03 02:27:26,474 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == y) && 0bv32 == \result [2022-11-03 02:27:26,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:27:26,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:27:26,508 INFO L158 Benchmark]: Toolchain (without parser) took 52619.93ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 39.5MB in the end (delta: -9.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-03 02:27:26,509 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 52.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:27:26,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.56ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 29.6MB in the beginning and 51.2MB in the end (delta: -21.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-11-03 02:27:26,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.06ms. Allocated memory is still 73.4MB. Free memory was 51.2MB in the beginning and 48.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:27:26,510 INFO L158 Benchmark]: Boogie Preprocessor took 51.10ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 45.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:27:26,510 INFO L158 Benchmark]: RCFGBuilder took 20161.53ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 41.3MB in the end (delta: 4.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-03 02:27:26,510 INFO L158 Benchmark]: TraceAbstraction took 31798.00ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 45.9MB in the end (delta: -5.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-11-03 02:27:26,511 INFO L158 Benchmark]: Witness Printer took 82.74ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 39.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:27:26,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 52.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.56ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 29.6MB in the beginning and 51.2MB in the end (delta: -21.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.06ms. Allocated memory is still 73.4MB. Free memory was 51.2MB in the beginning and 48.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.10ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 45.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 20161.53ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 41.3MB in the end (delta: 4.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 31798.00ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 45.9MB in the end (delta: -5.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 82.74ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 39.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. 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_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,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: 270]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 2827 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 156 IncrementalHoareTripleChecker+Unchecked, 2099 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 728 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, InterpolantAutomatonStates: 49, 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, 8 MinimizatonAttempts, 37 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 52 PreInvPairs, 58 NumberOfFragments, 126 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 50 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 136 ConstructedInterpolants, 38 QuantifiedInterpolants, 1060 SizeOfPredicates, 61 NumberOfNonLiveVariables, 1169 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 246]: Loop Invariant Derived loop invariant: (aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == y) && 0bv32 == \result - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == y && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant [2022-11-03 02:27:26,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_25,QUANTIFIED] [2022-11-03 02:27:26,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-11-03 02:27:26,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9,QUANTIFIED] [2022-11-03 02:27:26,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_34,QUANTIFIED] [2022-11-03 02:27:26,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] [2022-11-03 02:27:26,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_54,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_25 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_25[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32] && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_25[63:63], v_skolemized_q#valueAsBitvector_25[62:52], v_skolemized_q#valueAsBitvector_25[51:0])) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32])) && ~Pluszero~LONGDOUBLE() == y) && (\exists v_skolemized_q#valueAsBitvector_34 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9 : bv32 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_34[63:63], v_skolemized_q#valueAsBitvector_34[62:52], v_skolemized_q#valueAsBitvector_34[51:0]) && v_skolemized_q#valueAsBitvector_34[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][4bv32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][0bv32] == v_skolemized_q#valueAsBitvector_34[31:0])) && (\exists v_skolemized_q#valueAsBitvector_54 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_54[63:63], v_skolemized_q#valueAsBitvector_54[62:52], v_skolemized_q#valueAsBitvector_54[51:0]) && hx == v_skolemized_q#valueAsBitvector_54[63:32])) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: \result == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == y - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((\result == ~Pluszero~LONGDOUBLE() && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == y) && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x RESULT: Ultimate proved your program to be correct! [2022-11-03 02:27:26,751 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-03 02:27:26,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b89f5f-27d2-440c-9f0a-9a79ab71d662/bin/utaipan-7li7fVZpFI/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