./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0320a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7 --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 0cbfaf99ed6c2c7a503c1ee3bb6430a04470ce99e93c93b74605e38411e2fe77 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:33:24,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:33:24,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:33:24,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:33:24,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:33:24,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:33:24,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:33:24,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:33:24,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:33:24,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:33:24,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:33:24,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:33:24,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:33:24,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:33:24,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:33:24,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:33:24,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:33:24,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:33:24,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:33:24,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:33:24,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:33:24,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:33:24,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:33:24,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:33:24,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:33:24,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:33:24,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:33:24,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:33:24,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:33:24,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:33:24,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:33:24,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:33:24,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:33:24,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:33:24,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:33:24,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:33:24,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:33:24,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:33:24,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:33:24,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:33:24,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:33:24,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:33:24,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:33:24,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:33:24,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:33:24,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:33:24,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:33:24,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:33:24,899 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:33:24,899 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:33:24,899 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:33:24,899 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:33:24,900 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:33:24,900 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:33:24,900 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:33:24,900 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:33:24,900 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:33:24,901 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:33:24,901 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:33:24,901 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:33:24,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:33:24,902 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:33:24,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:33:24,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:33:24,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:33:24,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:33:24,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:33:24,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:33:24,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:33:24,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:33:24,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:33:24,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:33:24,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:33:24,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:33:24,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:33:24,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:33:24,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:33:24,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:33:24,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:33:24,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:33:24,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:33:24,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:33:24,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:33:24,907 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cbfaf99ed6c2c7a503c1ee3bb6430a04470ce99e93c93b74605e38411e2fe77 [2021-11-25 19:33:25,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:33:25,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:33:25,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:33:25,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:33:25,276 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:33:25,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/float_req_bl_0320a.c [2021-11-25 19:33:25,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/a7443cb08/e0cff9baae7d4542bd099c85ad2e8272/FLAGe6fbf6b88 [2021-11-25 19:33:25,983 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:33:25,983 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c [2021-11-25 19:33:26,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/a7443cb08/e0cff9baae7d4542bd099c85ad2e8272/FLAGe6fbf6b88 [2021-11-25 19:33:26,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/a7443cb08/e0cff9baae7d4542bd099c85ad2e8272 [2021-11-25 19:33:26,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:33:26,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:33:26,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:33:26,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:33:26,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:33:26,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:26,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4102424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26, skipping insertion in model container [2021-11-25 19:33:26,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:26,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:33:26,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:33:26,704 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_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c[15470,15483] [2021-11-25 19:33:26,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:33:26,751 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:33:26,914 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_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c[15470,15483] [2021-11-25 19:33:26,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:33:26,964 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:33:26,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26 WrapperNode [2021-11-25 19:33:26,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:33:26,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:33:26,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:33:26,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:33:26,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,117 INFO L137 Inliner]: procedures = 26, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1117 [2021-11-25 19:33:27,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:33:27,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:33:27,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:33:27,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:33:27,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:33:27,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:33:27,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:33:27,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:33:27,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (1/1) ... [2021-11-25 19:33:27,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:33:27,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:27,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:33:27,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:33:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-25 19:33:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-25 19:33:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:33:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:33:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 19:33:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:33:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-25 19:33:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-25 19:33:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-25 19:33:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-25 19:33:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-25 19:33:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:33:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 19:33:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-25 19:33:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-25 19:33:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:33:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:33:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:33:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:33:27,811 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:33:27,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:33:29,228 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:33:29,543 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:33:29,543 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-25 19:33:29,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:33:29 BoogieIcfgContainer [2021-11-25 19:33:29,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:33:29,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:33:29,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:33:29,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:33:29,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:33:26" (1/3) ... [2021-11-25 19:33:29,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aacc2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:33:29, skipping insertion in model container [2021-11-25 19:33:29,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:26" (2/3) ... [2021-11-25 19:33:29,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aacc2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:33:29, skipping insertion in model container [2021-11-25 19:33:29,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:33:29" (3/3) ... [2021-11-25 19:33:29,561 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320a.c [2021-11-25 19:33:29,576 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:33:29,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:33:29,636 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:33:29,653 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:33:29,659 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:33:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 150 states have (on average 1.68) internal successors, (252), 151 states have internal predecessors, (252), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:33:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:33:29,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:29,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:29,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:33:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash 230419572, now seen corresponding path program 1 times [2021-11-25 19:33:29,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:29,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156403789] [2021-11-25 19:33:29,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:29,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:33:30,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:30,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156403789] [2021-11-25 19:33:30,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156403789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:30,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:33:30,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:33:30,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702322335] [2021-11-25 19:33:30,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:30,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:33:30,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:30,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:33:30,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:33:30,238 INFO L87 Difference]: Start difference. First operand has 168 states, 150 states have (on average 1.68) internal successors, (252), 151 states have internal predecessors, (252), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-25 19:33:30,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:33:30,522 INFO L93 Difference]: Finished difference Result 335 states and 563 transitions. [2021-11-25 19:33:30,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:33:30,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-25 19:33:30,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:33:30,546 INFO L225 Difference]: With dead ends: 335 [2021-11-25 19:33:30,546 INFO L226 Difference]: Without dead ends: 166 [2021-11-25 19:33:30,559 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:33:30,565 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:33:30,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 19:33:30,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-25 19:33:30,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-25 19:33:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 149 states have (on average 1.395973154362416) internal successors, (208), 149 states have internal predecessors, (208), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:33:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 232 transitions. [2021-11-25 19:33:30,661 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 232 transitions. Word has length 8 [2021-11-25 19:33:30,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:33:30,663 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 232 transitions. [2021-11-25 19:33:30,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-25 19:33:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 232 transitions. [2021-11-25 19:33:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:33:30,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:30,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:33:30,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:33:30,667 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:33:30,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1128696876, now seen corresponding path program 1 times [2021-11-25 19:33:30,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:30,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802745782] [2021-11-25 19:33:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:30,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:33:30,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:33:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:33:31,110 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:33:31,110 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:33:31,113 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:33:31,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:33:31,120 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 19:33:31,125 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:33:31,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:33:31 BoogieIcfgContainer [2021-11-25 19:33:31,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:33:31,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:33:31,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:33:31,261 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:33:31,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:33:29" (3/4) ... [2021-11-25 19:33:31,266 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:33:31,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:33:31,268 INFO L158 Benchmark]: Toolchain (without parser) took 5021.99ms. Allocated memory was 92.3MB in the beginning and 216.0MB in the end (delta: 123.7MB). Free memory was 70.6MB in the beginning and 179.9MB in the end (delta: -109.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-25 19:33:31,270 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 58.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:33:31,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.94ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 50.6MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-25 19:33:31,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.50ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 43.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:33:31,276 INFO L158 Benchmark]: Boogie Preprocessor took 203.01ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 37.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:33:31,279 INFO L158 Benchmark]: RCFGBuilder took 2223.56ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 37.1MB in the beginning and 59.4MB in the end (delta: -22.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-25 19:33:31,280 INFO L158 Benchmark]: TraceAbstraction took 1709.52ms. Allocated memory was 130.0MB in the beginning and 216.0MB in the end (delta: 86.0MB). Free memory was 59.4MB in the beginning and 180.9MB in the end (delta: -121.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-25 19:33:31,281 INFO L158 Benchmark]: Witness Printer took 6.83ms. Allocated memory is still 216.0MB. Free memory was 180.9MB in the beginning and 179.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:33:31,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 58.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.94ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 50.6MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.50ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 43.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 203.01ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 37.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2223.56ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 37.1MB in the beginning and 59.4MB in the end (delta: -22.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1709.52ms. Allocated memory was 130.0MB in the beginning and 216.0MB in the end (delta: 86.0MB). Free memory was 59.4MB in the beginning and 180.9MB in the end (delta: -121.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 6.83ms. Allocated memory is still 216.0MB. Free memory was 180.9MB in the beginning and 179.9MB in the end (delta: 1.0MB). 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: 613]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 612, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L363-L369] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L371-L380] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L500-L503] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L527-L530] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L567] static const float one_cos = 1.0; [L608] float x = 0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; VAL [\old(x)=0, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff VAL [\old(x)=0, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=0, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; VAL [\old(x)=0, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] COND TRUE res != 1.0f VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000001, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] [L613] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000001, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 168 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 183 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 183 mSDtfsCounter, 51 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=168occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2021-11-25 19:33:31,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7 --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 0cbfaf99ed6c2c7a503c1ee3bb6430a04470ce99e93c93b74605e38411e2fe77 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:33:34,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:33:34,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:33:34,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:33:34,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:33:34,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:33:34,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:33:34,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:33:34,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:33:34,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:33:34,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:33:34,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:33:34,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:33:34,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:33:34,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:33:34,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:33:34,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:33:34,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:33:34,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:33:34,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:33:34,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:33:34,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:33:34,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:33:34,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:33:34,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:33:34,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:33:34,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:33:34,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:33:34,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:33:34,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:33:34,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:33:34,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:33:34,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:33:34,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:33:34,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:33:34,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:33:34,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:33:34,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:33:34,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:33:34,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:33:34,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:33:34,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 19:33:34,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:33:34,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:33:34,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:33:34,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:33:34,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:33:34,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:33:34,496 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:33:34,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:33:34,497 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:33:34,497 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:33:34,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:33:34,499 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:33:34,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:33:34,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:33:34,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:33:34,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:33:34,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:33:34,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:33:34,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:33:34,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:33:34,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:33:34,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:33:34,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:33:34,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:33:34,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:33:34,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:33:34,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:33:34,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:33:34,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:33:34,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:33:34,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:33:34,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:33:34,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:33:34,507 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:33:34,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:33:34,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:33:34,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:33:34,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:33:34,509 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_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cbfaf99ed6c2c7a503c1ee3bb6430a04470ce99e93c93b74605e38411e2fe77 [2021-11-25 19:33:34,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:33:35,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:33:35,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:33:35,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:33:35,021 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:33:35,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/float_req_bl_0320a.c [2021-11-25 19:33:35,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/aa4d2915e/d6281cb229404c5dbfcdf91c8c2d8f78/FLAG590fe7163 [2021-11-25 19:33:35,863 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:33:35,864 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c [2021-11-25 19:33:35,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/aa4d2915e/d6281cb229404c5dbfcdf91c8c2d8f78/FLAG590fe7163 [2021-11-25 19:33:36,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/data/aa4d2915e/d6281cb229404c5dbfcdf91c8c2d8f78 [2021-11-25 19:33:36,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:33:36,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:33:36,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:33:36,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:33:36,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:33:36,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:36,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccc054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36, skipping insertion in model container [2021-11-25 19:33:36,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:36,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:33:36,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:33:36,554 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_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c[15470,15483] [2021-11-25 19:33:36,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:33:36,614 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:33:36,810 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_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/sv-benchmarks/c/float-newlib/float_req_bl_0320a.c[15470,15483] [2021-11-25 19:33:36,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:33:36,922 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:33:36,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36 WrapperNode [2021-11-25 19:33:36,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:33:36,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:33:36,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:33:36,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:33:36,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,139 INFO L137 Inliner]: procedures = 30, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1116 [2021-11-25 19:33:37,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:33:37,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:33:37,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:33:37,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:33:37,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:33:37,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:33:37,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:33:37,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:33:37,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (1/1) ... [2021-11-25 19:33:37,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:33:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:33:37,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:33:37,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:33:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-25 19:33:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-25 19:33:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:33:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:33:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 19:33:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:33:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-25 19:33:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:33:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-25 19:33:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-25 19:33:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-25 19:33:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-25 19:33:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-25 19:33:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-25 19:33:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-25 19:33:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-25 19:33:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:33:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:33:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:33:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:33:37,801 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:33:37,803 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:34:12,317 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:34:12,336 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:34:12,342 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-25 19:34:12,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:34:12 BoogieIcfgContainer [2021-11-25 19:34:12,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:34:12,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:34:12,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:34:12,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:34:12,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:33:36" (1/3) ... [2021-11-25 19:34:12,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9b7c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:34:12, skipping insertion in model container [2021-11-25 19:34:12,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:33:36" (2/3) ... [2021-11-25 19:34:12,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9b7c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:34:12, skipping insertion in model container [2021-11-25 19:34:12,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:34:12" (3/3) ... [2021-11-25 19:34:12,360 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320a.c [2021-11-25 19:34:12,368 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:34:12,368 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:34:12,465 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:34:12,478 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:34:12,479 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:34:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 226 states have (on average 1.663716814159292) internal successors, (376), 227 states have internal predecessors, (376), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:34:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:34:12,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:34:12,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:34:12,523 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:34:12,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:34:12,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1639684783, now seen corresponding path program 1 times [2021-11-25 19:34:12,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:34:12,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452389448] [2021-11-25 19:34:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:34:12,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:34:12,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:34:12,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:34:12,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:34:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:34:14,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 19:34:14,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:34:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:34:14,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:34:14,298 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:34:14,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452389448] [2021-11-25 19:34:14,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452389448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:34:14,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:34:14,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:34:14,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983873556] [2021-11-25 19:34:14,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:34:14,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:34:14,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:34:14,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:34:14,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:34:14,357 INFO L87 Difference]: Start difference. First operand has 244 states, 226 states have (on average 1.663716814159292) internal successors, (376), 227 states have internal predecessors, (376), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:34:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:34:14,433 INFO L93 Difference]: Finished difference Result 486 states and 810 transitions. [2021-11-25 19:34:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:34:14,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 19:34:14,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:34:14,450 INFO L225 Difference]: With dead ends: 486 [2021-11-25 19:34:14,451 INFO L226 Difference]: Without dead ends: 241 [2021-11-25 19:34:14,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:34:14,463 INFO L933 BasicCegarLoop]: 340 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, 340 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 [2021-11-25 19:34:14,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:34:14,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-11-25 19:34:14,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2021-11-25 19:34:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 224 states have (on average 1.3973214285714286) internal successors, (313), 224 states have internal predecessors, (313), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:34:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2021-11-25 19:34:14,561 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 9 [2021-11-25 19:34:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:34:14,561 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2021-11-25 19:34:14,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:34:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2021-11-25 19:34:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 19:34:14,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:34:14,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:34:14,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:34:14,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:34:14,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:34:14,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:34:14,785 INFO L85 PathProgramCache]: Analyzing trace with hash -391148295, now seen corresponding path program 1 times [2021-11-25 19:34:14,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:34:14,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060084588] [2021-11-25 19:34:14,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:34:14,787 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:34:14,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:34:14,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:34:14,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 19:34:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:34:16,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 19:34:16,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:34:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:34:16,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:34:16,748 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:34:16,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060084588] [2021-11-25 19:34:16,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060084588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:34:16,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:34:16,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:34:16,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599327186] [2021-11-25 19:34:16,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:34:16,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:34:16,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:34:16,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:34:16,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:34:16,752 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-11-25 19:34:16,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:34:16,886 INFO L93 Difference]: Finished difference Result 259 states and 357 transitions. [2021-11-25 19:34:16,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:34:16,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 [2021-11-25 19:34:16,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:34:16,888 INFO L225 Difference]: With dead ends: 259 [2021-11-25 19:34:16,888 INFO L226 Difference]: Without dead ends: 26 [2021-11-25 19:34:16,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:34:16,899 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:34:16,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:34:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-25 19:34:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-25 19:34:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:34:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2021-11-25 19:34:16,910 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 10 [2021-11-25 19:34:16,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:34:16,911 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2021-11-25 19:34:16,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-11-25 19:34:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-11-25 19:34:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 19:34:16,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:34:16,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:34:16,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-25 19:34:17,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:34:17,123 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:34:17,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:34:17,124 INFO L85 PathProgramCache]: Analyzing trace with hash 960425796, now seen corresponding path program 1 times [2021-11-25 19:34:17,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:34:17,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113114758] [2021-11-25 19:34:17,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:34:17,126 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:34:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:34:17,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:34:17,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 19:34:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:34:18,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 19:34:18,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:34:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:34:19,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:34:19,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:34:19,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113114758] [2021-11-25 19:34:19,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113114758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:34:19,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:34:19,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:34:19,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737866256] [2021-11-25 19:34:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:34:19,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:34:19,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:34:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:34:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:34:19,565 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-11-25 19:34:22,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:24,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:26,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:28,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:30,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:32,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:34,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:36,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:38,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:38,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:34:38,927 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-11-25 19:34:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:34:38,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 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 19 [2021-11-25 19:34:38,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:34:38,929 INFO L225 Difference]: With dead ends: 33 [2021-11-25 19:34:38,930 INFO L226 Difference]: Without dead ends: 26 [2021-11-25 19:34:38,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-25 19:34:38,933 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 10 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:34:38,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 91 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 9 Unknown, 0 Unchecked, 19.2s Time] [2021-11-25 19:34:38,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-25 19:34:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-25 19:34:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:34:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2021-11-25 19:34:38,939 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 19 [2021-11-25 19:34:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:34:38,940 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2021-11-25 19:34:38,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-11-25 19:34:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-25 19:34:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:34:38,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:34:38,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:34:38,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:34:39,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:34:39,153 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:34:39,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:34:39,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1646682684, now seen corresponding path program 1 times [2021-11-25 19:34:39,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:34:39,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977511326] [2021-11-25 19:34:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:34:39,156 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:34:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:34:39,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:34:39,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 19:34:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:34:41,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 19:34:41,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:34:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:34:42,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:34:42,055 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:34:42,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977511326] [2021-11-25 19:34:42,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977511326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:34:42,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:34:42,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 19:34:42,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705404225] [2021-11-25 19:34:42,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:34:42,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:34:42,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:34:42,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:34:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:34:42,058 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:34:42,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:34:42,299 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2021-11-25 19:34:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:34:42,302 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-11-25 19:34:42,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:34:42,304 INFO L225 Difference]: With dead ends: 39 [2021-11-25 19:34:42,304 INFO L226 Difference]: Without dead ends: 26 [2021-11-25 19:34:42,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:34:42,306 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:34:42,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 24 Unchecked, 0.1s Time] [2021-11-25 19:34:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-25 19:34:42,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-25 19:34:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 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) [2021-11-25 19:34:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-11-25 19:34:42,312 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2021-11-25 19:34:42,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:34:42,313 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-11-25 19:34:42,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:34:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-25 19:34:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 19:34:42,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:34:42,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:34:42,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:34:42,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:34:42,519 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:34:42,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:34:42,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1832981880, now seen corresponding path program 1 times [2021-11-25 19:34:42,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:34:42,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997126941] [2021-11-25 19:34:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:34:42,521 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:34:42,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:34:42,522 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:34:42,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 19:34:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:34:44,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 19:34:44,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:34:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:34:45,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:34:45,391 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:34:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997126941] [2021-11-25 19:34:45,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997126941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:34:45,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:34:45,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:34:45,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576732369] [2021-11-25 19:34:45,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:34:45,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:34:45,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:34:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:34:45,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:34:45,394 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:34:48,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:50,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:52,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:52,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:34:52,439 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-11-25 19:34:52,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:34:52,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2021-11-25 19:34:52,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:34:52,479 INFO L225 Difference]: With dead ends: 26 [2021-11-25 19:34:52,479 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:34:52,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:34:52,480 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:34:52,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 51 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2021-11-25 19:34:52,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:34:52,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:34:52,483 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) [2021-11-25 19:34:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:34:52,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-11-25 19:34:52,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:34:52,484 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:34:52,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:34:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:34:52,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:34:52,488 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:34:52,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-25 19:34:52,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:34:52,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 19:34:53,290 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 544) no Hoare annotation was computed. [2021-11-25 19:34:53,290 INFO L858 garLoopResultBuilder]: For program point L541-2(lines 541 544) no Hoare annotation was computed. [2021-11-25 19:34:53,290 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 535 539) no Hoare annotation was computed. [2021-11-25 19:34:53,290 INFO L854 garLoopResultBuilder]: At program point L535-2(lines 535 539) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0)) (= |__kernel_cosf_#in~x| __kernel_cosf_~x)) [2021-11-25 19:34:53,291 INFO L858 garLoopResultBuilder]: For program point L535-3(lines 535 539) no Hoare annotation was computed. [2021-11-25 19:34:53,291 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-11-25 19:34:53,291 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 532 565) the Hoare annotation is: true [2021-11-25 19:34:53,291 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 543) no Hoare annotation was computed. [2021-11-25 19:34:53,292 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 532 565) no Hoare annotation was computed. [2021-11-25 19:34:53,292 INFO L858 garLoopResultBuilder]: For program point L555-1(lines 555 559) no Hoare annotation was computed. [2021-11-25 19:34:53,292 INFO L854 garLoopResultBuilder]: At program point L555-2(lines 555 559) the Hoare annotation is: (or (exists ((v___kernel_cosf_~ix~6_12 (_ BitVec 32))) (and (= |__kernel_cosf_#in~x| (fp ((_ extract 31 31) v___kernel_cosf_~ix~6_12) ((_ extract 30 23) v___kernel_cosf_~ix~6_12) ((_ extract 22 0) v___kernel_cosf_~ix~6_12))) (not (bvslt (bvand (_ bv2147483647 32) v___kernel_cosf_~ix~6_12) (_ bv838860800 32))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0))) [2021-11-25 19:34:53,292 INFO L858 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-11-25 19:34:53,293 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 564) no Hoare annotation was computed. [2021-11-25 19:34:53,293 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 532 565) no Hoare annotation was computed. [2021-11-25 19:34:53,293 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 66 84) no Hoare annotation was computed. [2021-11-25 19:34:53,293 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-11-25 19:34:53,294 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 66 84) no Hoare annotation was computed. [2021-11-25 19:34:53,294 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 66 84) the Hoare annotation is: true [2021-11-25 19:34:53,294 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-11-25 19:34:53,294 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 66 84) no Hoare annotation was computed. [2021-11-25 19:34:53,295 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2021-11-25 19:34:53,295 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 66 84) no Hoare annotation was computed. [2021-11-25 19:34:53,295 INFO L858 garLoopResultBuilder]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2021-11-25 19:34:53,295 INFO L861 garLoopResultBuilder]: At program point L68-2(lines 68 72) the Hoare annotation is: true [2021-11-25 19:34:53,296 INFO L858 garLoopResultBuilder]: For program point L514-2(lines 514 517) no Hoare annotation was computed. [2021-11-25 19:34:53,313 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2021-11-25 19:34:53,314 INFO L861 garLoopResultBuilder]: At program point L508-2(lines 508 512) the Hoare annotation is: true [2021-11-25 19:34:53,314 INFO L858 garLoopResultBuilder]: For program point L508-3(lines 508 512) no Hoare annotation was computed. [2021-11-25 19:34:53,314 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 505 525) no Hoare annotation was computed. [2021-11-25 19:34:53,315 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2021-11-25 19:34:53,315 INFO L858 garLoopResultBuilder]: For program point L515(lines 515 516) no Hoare annotation was computed. [2021-11-25 19:34:53,315 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 505 525) the Hoare annotation is: true [2021-11-25 19:34:53,315 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 505 525) no Hoare annotation was computed. [2021-11-25 19:34:53,316 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 517) no Hoare annotation was computed. [2021-11-25 19:34:53,316 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-11-25 19:34:53,316 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2021-11-25 19:34:53,316 INFO L858 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2021-11-25 19:34:53,316 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 422) no Hoare annotation was computed. [2021-11-25 19:34:53,317 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 303) no Hoare annotation was computed. [2021-11-25 19:34:53,317 INFO L854 garLoopResultBuilder]: At program point L302-3(lines 302 303) the Hoare annotation is: false [2021-11-25 19:34:53,317 INFO L858 garLoopResultBuilder]: For program point L302-4(lines 299 339) no Hoare annotation was computed. [2021-11-25 19:34:53,317 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 409) no Hoare annotation was computed. [2021-11-25 19:34:53,318 INFO L858 garLoopResultBuilder]: For program point L402-2(lines 402 409) no Hoare annotation was computed. [2021-11-25 19:34:53,318 INFO L858 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-11-25 19:34:53,318 INFO L858 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-11-25 19:34:53,318 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 436 440) no Hoare annotation was computed. [2021-11-25 19:34:53,319 INFO L854 garLoopResultBuilder]: At program point L436-2(lines 436 440) the Hoare annotation is: false [2021-11-25 19:34:53,319 INFO L858 garLoopResultBuilder]: For program point L436-3(lines 436 440) no Hoare annotation was computed. [2021-11-25 19:34:53,319 INFO L858 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2021-11-25 19:34:53,319 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 271 274) no Hoare annotation was computed. [2021-11-25 19:34:53,319 INFO L854 garLoopResultBuilder]: At program point L271-3(lines 271 274) the Hoare annotation is: false [2021-11-25 19:34:53,320 INFO L854 garLoopResultBuilder]: At program point L569(lines 569 599) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= .cse0 ~one_kcos~0) (= |ULTIMATE.start_cos_float_~x#1| (_ +zero 8 24)) (= .cse0 |ULTIMATE.start_cos_float_#res#1|) (= (fp ((_ extract 31 31) |ULTIMATE.start_cos_float_~ix~7#1|) ((_ extract 30 23) |ULTIMATE.start_cos_float_~ix~7#1|) ((_ extract 22 0) |ULTIMATE.start_cos_float_~ix~7#1|)) (_ +zero 8 24)))) [2021-11-25 19:34:53,320 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2021-11-25 19:34:53,320 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-11-25 19:34:53,320 INFO L858 garLoopResultBuilder]: For program point L306-2(line 306) no Hoare annotation was computed. [2021-11-25 19:34:53,321 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 475) no Hoare annotation was computed. [2021-11-25 19:34:53,323 INFO L854 garLoopResultBuilder]: At program point L340(lines 170 341) the Hoare annotation is: false [2021-11-25 19:34:53,324 INFO L858 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2021-11-25 19:34:53,324 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 47) no Hoare annotation was computed. [2021-11-25 19:34:53,324 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2021-11-25 19:34:53,324 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 143 147) no Hoare annotation was computed. [2021-11-25 19:34:53,325 INFO L854 garLoopResultBuilder]: At program point L143-2(lines 143 147) the Hoare annotation is: false [2021-11-25 19:34:53,325 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-25 19:34:53,326 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-11-25 19:34:53,326 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 577) no Hoare annotation was computed. [2021-11-25 19:34:53,337 INFO L854 garLoopResultBuilder]: At program point L573-2(lines 573 577) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0) (= |ULTIMATE.start_cos_float_~x#1| (_ +zero 8 24))) [2021-11-25 19:34:53,338 INFO L858 garLoopResultBuilder]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2021-11-25 19:34:53,338 INFO L854 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: false [2021-11-25 19:34:53,338 INFO L858 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-11-25 19:34:53,338 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2021-11-25 19:34:53,339 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2021-11-25 19:34:53,339 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 299 339) no Hoare annotation was computed. [2021-11-25 19:34:53,340 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 461) no Hoare annotation was computed. [2021-11-25 19:34:53,340 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 430 462) no Hoare annotation was computed. [2021-11-25 19:34:53,340 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 284) no Hoare annotation was computed. [2021-11-25 19:34:53,340 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 245) no Hoare annotation was computed. [2021-11-25 19:34:53,341 INFO L854 garLoopResultBuilder]: At program point L277-2(lines 268 285) the Hoare annotation is: false [2021-11-25 19:34:53,341 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-25 19:34:53,341 INFO L854 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2021-11-25 19:34:53,341 INFO L858 garLoopResultBuilder]: For program point L245-1(line 245) no Hoare annotation was computed. [2021-11-25 19:34:53,341 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 181) no Hoare annotation was computed. [2021-11-25 19:34:53,342 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 181) no Hoare annotation was computed. [2021-11-25 19:34:53,342 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 478 482) no Hoare annotation was computed. [2021-11-25 19:34:53,342 INFO L854 garLoopResultBuilder]: At program point L478-2(lines 478 482) the Hoare annotation is: false [2021-11-25 19:34:53,342 INFO L858 garLoopResultBuilder]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2021-11-25 19:34:53,342 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 314) no Hoare annotation was computed. [2021-11-25 19:34:53,343 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 217) no Hoare annotation was computed. [2021-11-25 19:34:53,344 INFO L854 garLoopResultBuilder]: At program point L313-3(lines 313 314) the Hoare annotation is: false [2021-11-25 19:34:53,344 INFO L858 garLoopResultBuilder]: For program point L313-4(lines 299 339) no Hoare annotation was computed. [2021-11-25 19:34:53,344 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 152) no Hoare annotation was computed. [2021-11-25 19:34:53,344 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 141 154) no Hoare annotation was computed. [2021-11-25 19:34:53,344 INFO L858 garLoopResultBuilder]: For program point L148-2(lines 148 152) no Hoare annotation was computed. [2021-11-25 19:34:53,345 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 420) no Hoare annotation was computed. [2021-11-25 19:34:53,347 INFO L858 garLoopResultBuilder]: For program point L413-2(lines 413 420) no Hoare annotation was computed. [2021-11-25 19:34:53,347 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-11-25 19:34:53,347 INFO L858 garLoopResultBuilder]: For program point L612(lines 612 615) no Hoare annotation was computed. [2021-11-25 19:34:53,347 INFO L858 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-11-25 19:34:53,348 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 217) no Hoare annotation was computed. [2021-11-25 19:34:53,348 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 171 341) no Hoare annotation was computed. [2021-11-25 19:34:53,348 INFO L858 garLoopResultBuilder]: For program point L216-2(lines 171 341) no Hoare annotation was computed. [2021-11-25 19:34:53,348 INFO L858 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2021-11-25 19:34:53,349 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 598) no Hoare annotation was computed. [2021-11-25 19:34:53,350 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2021-11-25 19:34:53,350 INFO L854 garLoopResultBuilder]: At program point L448-2(lines 448 452) the Hoare annotation is: false [2021-11-25 19:34:53,350 INFO L858 garLoopResultBuilder]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-11-25 19:34:53,350 INFO L854 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0) (= |ULTIMATE.start_cos_float_~x#1| (_ +zero 8 24)) (= (fp ((_ extract 31 31) |ULTIMATE.start_cos_float_~ix~7#1|) ((_ extract 30 23) |ULTIMATE.start_cos_float_~ix~7#1|) ((_ extract 22 0) |ULTIMATE.start_cos_float_~ix~7#1|)) (_ +zero 8 24))) [2021-11-25 19:34:53,351 INFO L858 garLoopResultBuilder]: For program point L581-1(line 581) no Hoare annotation was computed. [2021-11-25 19:34:53,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 19:34:53,351 INFO L858 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-11-25 19:34:53,351 INFO L858 garLoopResultBuilder]: For program point L251-2(lines 251 252) no Hoare annotation was computed. [2021-11-25 19:34:53,352 INFO L854 garLoopResultBuilder]: At program point L251-3(lines 251 252) the Hoare annotation is: false [2021-11-25 19:34:53,352 INFO L858 garLoopResultBuilder]: For program point L251-4(lines 249 266) no Hoare annotation was computed. [2021-11-25 19:34:53,352 INFO L858 garLoopResultBuilder]: For program point L483-2(lines 483 486) no Hoare annotation was computed. [2021-11-25 19:34:53,352 INFO L854 garLoopResultBuilder]: At program point L483-3(lines 483 486) the Hoare annotation is: false [2021-11-25 19:34:53,352 INFO L858 garLoopResultBuilder]: For program point L483-4(lines 483 486) no Hoare annotation was computed. [2021-11-25 19:34:53,353 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-11-25 19:34:53,353 INFO L858 garLoopResultBuilder]: For program point L219(lines 171 341) no Hoare annotation was computed. [2021-11-25 19:34:53,353 INFO L854 garLoopResultBuilder]: At program point L318-3(lines 318 322) the Hoare annotation is: false [2021-11-25 19:34:53,353 INFO L858 garLoopResultBuilder]: For program point L318-4(lines 318 322) no Hoare annotation was computed. [2021-11-25 19:34:53,353 INFO L854 garLoopResultBuilder]: At program point L153(lines 141 154) the Hoare annotation is: false [2021-11-25 19:34:53,354 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-11-25 19:34:53,354 INFO L854 garLoopResultBuilder]: At program point L186-3(lines 186 187) the Hoare annotation is: false [2021-11-25 19:34:53,354 INFO L858 garLoopResultBuilder]: For program point L186-4(lines 186 187) no Hoare annotation was computed. [2021-11-25 19:34:53,354 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 598) no Hoare annotation was computed. [2021-11-25 19:34:53,354 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-25 19:34:53,355 INFO L858 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-11-25 19:34:53,355 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-11-25 19:34:53,355 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 20 61) no Hoare annotation was computed. [2021-11-25 19:34:53,355 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2021-11-25 19:34:53,355 INFO L861 garLoopResultBuilder]: At program point L617(lines 601 618) the Hoare annotation is: true [2021-11-25 19:34:53,356 INFO L858 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2021-11-25 19:34:53,356 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 255) no Hoare annotation was computed. [2021-11-25 19:34:53,356 INFO L858 garLoopResultBuilder]: For program point L254-3(lines 254 255) no Hoare annotation was computed. [2021-11-25 19:34:53,356 INFO L854 garLoopResultBuilder]: At program point L254-4(lines 254 255) the Hoare annotation is: false [2021-11-25 19:34:53,356 INFO L858 garLoopResultBuilder]: For program point L254-5(lines 254 255) no Hoare annotation was computed. [2021-11-25 19:34:53,357 INFO L858 garLoopResultBuilder]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2021-11-25 19:34:53,357 INFO L854 garLoopResultBuilder]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2021-11-25 19:34:53,357 INFO L858 garLoopResultBuilder]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2021-11-25 19:34:53,357 INFO L858 garLoopResultBuilder]: For program point L288-2(lines 288 291) no Hoare annotation was computed. [2021-11-25 19:34:53,357 INFO L854 garLoopResultBuilder]: At program point L288-3(lines 288 291) the Hoare annotation is: false [2021-11-25 19:34:53,358 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 231) no Hoare annotation was computed. [2021-11-25 19:34:53,358 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 291) no Hoare annotation was computed. [2021-11-25 19:34:53,358 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-25 19:34:53,358 INFO L854 garLoopResultBuilder]: At program point L222-3(lines 222 231) the Hoare annotation is: false [2021-11-25 19:34:53,358 INFO L854 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2021-11-25 19:34:53,359 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 219 247) no Hoare annotation was computed. [2021-11-25 19:34:53,359 INFO L858 garLoopResultBuilder]: For program point L189-4(lines 189 193) no Hoare annotation was computed. [2021-11-25 19:34:53,359 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 460) no Hoare annotation was computed. [2021-11-25 19:34:53,359 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-11-25 19:34:53,359 INFO L854 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-11-25 19:34:53,360 INFO L858 garLoopResultBuilder]: For program point L388-3(lines 388 392) no Hoare annotation was computed. [2021-11-25 19:34:53,361 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 19:34:53,361 INFO L858 garLoopResultBuilder]: For program point L190-2(lines 190 191) no Hoare annotation was computed. [2021-11-25 19:34:53,361 INFO L854 garLoopResultBuilder]: At program point L190-3(lines 190 191) the Hoare annotation is: false [2021-11-25 19:34:53,362 INFO L858 garLoopResultBuilder]: For program point L190-4(lines 190 191) no Hoare annotation was computed. [2021-11-25 19:34:53,362 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2021-11-25 19:34:53,362 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-11-25 19:34:53,362 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 327) the Hoare annotation is: false [2021-11-25 19:34:53,362 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 262) no Hoare annotation was computed. [2021-11-25 19:34:53,363 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 323 327) no Hoare annotation was computed. [2021-11-25 19:34:53,363 INFO L854 garLoopResultBuilder]: At program point L257-3(lines 257 262) the Hoare annotation is: false [2021-11-25 19:34:53,363 INFO L858 garLoopResultBuilder]: For program point L257-4(lines 257 262) no Hoare annotation was computed. [2021-11-25 19:34:53,363 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 597) no Hoare annotation was computed. [2021-11-25 19:34:53,363 INFO L858 garLoopResultBuilder]: For program point L489-1(lines 489 490) no Hoare annotation was computed. [2021-11-25 19:34:53,364 INFO L854 garLoopResultBuilder]: At program point L489-3(lines 489 490) the Hoare annotation is: false [2021-11-25 19:34:53,364 INFO L858 garLoopResultBuilder]: For program point L489-4(lines 489 490) no Hoare annotation was computed. [2021-11-25 19:34:53,364 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 228) no Hoare annotation was computed. [2021-11-25 19:34:53,364 INFO L854 garLoopResultBuilder]: At program point L60(lines 20 61) the Hoare annotation is: false [2021-11-25 19:34:53,364 INFO L858 garLoopResultBuilder]: For program point L589(line 589) no Hoare annotation was computed. [2021-11-25 19:34:53,365 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 470) no Hoare annotation was computed. [2021-11-25 19:34:53,365 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 260) no Hoare annotation was computed. [2021-11-25 19:34:53,365 INFO L854 garLoopResultBuilder]: At program point L259-3(lines 259 260) the Hoare annotation is: false [2021-11-25 19:34:53,365 INFO L858 garLoopResultBuilder]: For program point L259-4(lines 259 260) no Hoare annotation was computed. [2021-11-25 19:34:53,366 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 19:34:53,366 INFO L854 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: false [2021-11-25 19:34:53,366 INFO L858 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2021-11-25 19:34:53,366 INFO L858 garLoopResultBuilder]: For program point L293-2(lines 293 297) no Hoare annotation was computed. [2021-11-25 19:34:53,367 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 297) the Hoare annotation is: false [2021-11-25 19:34:53,367 INFO L858 garLoopResultBuilder]: For program point L293-4(lines 293 297) no Hoare annotation was computed. [2021-11-25 19:34:53,367 INFO L858 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2021-11-25 19:34:53,367 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-11-25 19:34:53,367 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 295) no Hoare annotation was computed. [2021-11-25 19:34:53,368 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 295) the Hoare annotation is: false [2021-11-25 19:34:53,371 INFO L858 garLoopResultBuilder]: For program point L294-4(lines 294 295) no Hoare annotation was computed. [2021-11-25 19:34:53,371 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 54) no Hoare annotation was computed. [2021-11-25 19:34:53,371 INFO L854 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: false [2021-11-25 19:34:53,372 INFO L858 garLoopResultBuilder]: For program point L592-1(line 592) no Hoare annotation was computed. [2021-11-25 19:34:53,372 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-11-25 19:34:53,372 INFO L858 garLoopResultBuilder]: For program point L328-2(lines 328 329) no Hoare annotation was computed. [2021-11-25 19:34:53,372 INFO L854 garLoopResultBuilder]: At program point L328-3(lines 328 329) the Hoare annotation is: false [2021-11-25 19:34:53,372 INFO L858 garLoopResultBuilder]: For program point L328-4(lines 299 339) no Hoare annotation was computed. [2021-11-25 19:34:53,373 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 48) no Hoare annotation was computed. [2021-11-25 19:34:53,374 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-11-25 19:34:53,376 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 38) no Hoare annotation was computed. [2021-11-25 19:34:53,377 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 19:34:53,377 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2021-11-25 19:34:53,377 INFO L854 garLoopResultBuilder]: At program point L594(line 594) the Hoare annotation is: false [2021-11-25 19:34:53,378 INFO L858 garLoopResultBuilder]: For program point L594-1(line 594) no Hoare annotation was computed. [2021-11-25 19:34:53,378 INFO L854 garLoopResultBuilder]: At program point L264(lines 171 341) the Hoare annotation is: false [2021-11-25 19:34:53,378 INFO L858 garLoopResultBuilder]: For program point L198-2(lines 198 202) no Hoare annotation was computed. [2021-11-25 19:34:53,378 INFO L854 garLoopResultBuilder]: At program point L198-3(lines 198 202) the Hoare annotation is: false [2021-11-25 19:34:53,378 INFO L854 garLoopResultBuilder]: At program point L198-4(lines 198 202) the Hoare annotation is: false [2021-11-25 19:34:53,379 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 37) no Hoare annotation was computed. [2021-11-25 19:34:53,379 INFO L858 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2021-11-25 19:34:53,379 INFO L858 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2021-11-25 19:34:53,379 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 462) no Hoare annotation was computed. [2021-11-25 19:34:53,380 INFO L858 garLoopResultBuilder]: For program point L232-1(lines 219 247) no Hoare annotation was computed. [2021-11-25 19:34:53,380 INFO L854 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: false [2021-11-25 19:34:53,380 INFO L858 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-11-25 19:34:53,381 INFO L854 garLoopResultBuilder]: At program point L497(lines 382 498) the Hoare annotation is: false [2021-11-25 19:34:53,381 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 469) no Hoare annotation was computed. [2021-11-25 19:34:53,381 INFO L854 garLoopResultBuilder]: At program point L299(lines 299 339) the Hoare annotation is: false [2021-11-25 19:34:53,381 INFO L854 garLoopResultBuilder]: At program point L233(lines 233 240) the Hoare annotation is: false [2021-11-25 19:34:53,381 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-11-25 19:34:53,382 INFO L861 garLoopResultBuilder]: At program point L118(line 118) the Hoare annotation is: true [2021-11-25 19:34:53,382 INFO L858 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2021-11-25 19:34:53,382 INFO L861 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: true [2021-11-25 19:34:53,382 INFO L858 garLoopResultBuilder]: For program point L131-1(line 131) no Hoare annotation was computed. [2021-11-25 19:34:53,382 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 132) no Hoare annotation was computed. [2021-11-25 19:34:53,383 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2021-11-25 19:34:53,383 INFO L861 garLoopResultBuilder]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2021-11-25 19:34:53,383 INFO L858 garLoopResultBuilder]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2021-11-25 19:34:53,383 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 126) no Hoare annotation was computed. [2021-11-25 19:34:53,383 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 90 140) no Hoare annotation was computed. [2021-11-25 19:34:53,384 INFO L858 garLoopResultBuilder]: For program point L107-1(lines 107 111) no Hoare annotation was computed. [2021-11-25 19:34:53,384 INFO L861 garLoopResultBuilder]: At program point L107-2(lines 107 111) the Hoare annotation is: true [2021-11-25 19:34:53,384 INFO L858 garLoopResultBuilder]: For program point L107-3(lines 107 111) no Hoare annotation was computed. [2021-11-25 19:34:53,384 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2021-11-25 19:34:53,384 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 131) no Hoare annotation was computed. [2021-11-25 19:34:53,385 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2021-11-25 19:34:53,386 INFO L861 garLoopResultBuilder]: At program point L120-2(lines 120 124) the Hoare annotation is: true [2021-11-25 19:34:53,386 INFO L858 garLoopResultBuilder]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2021-11-25 19:34:53,386 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 90 140) no Hoare annotation was computed. [2021-11-25 19:34:53,386 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 90 140) the Hoare annotation is: true [2021-11-25 19:34:53,386 INFO L861 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: true [2021-11-25 19:34:53,387 INFO L858 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2021-11-25 19:34:53,387 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-25 19:34:53,387 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-11-25 19:34:53,387 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 115) no Hoare annotation was computed. [2021-11-25 19:34:53,387 INFO L858 garLoopResultBuilder]: For program point L105-2(lines 105 115) no Hoare annotation was computed. [2021-11-25 19:34:53,388 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 102) no Hoare annotation was computed. [2021-11-25 19:34:53,389 INFO L858 garLoopResultBuilder]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2021-11-25 19:34:53,389 INFO L861 garLoopResultBuilder]: At program point L134-2(lines 134 138) the Hoare annotation is: true [2021-11-25 19:34:53,389 INFO L858 garLoopResultBuilder]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-11-25 19:34:53,393 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-25 19:34:53,397 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:34:53,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:34:53 BoogieIcfgContainer [2021-11-25 19:34:53,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:34:53,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:34:53,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:34:53,429 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:34:53,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:34:12" (3/4) ... [2021-11-25 19:34:53,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:34:53,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-25 19:34:53,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-25 19:34:53,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-25 19:34:53,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-25 19:34:53,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2021-11-25 19:34:53,470 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-25 19:34:53,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 19:34:53,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:34:53,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) || \old(x) == x [2021-11-25 19:34:53,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() [2021-11-25 19:34:53,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___kernel_cosf_~ix~6_12 : bv32 :: \old(x) == ~fp~LONGDOUBLE(v___kernel_cosf_~ix~6_12[31:31], v___kernel_cosf_~ix~6_12[30:23], v___kernel_cosf_~ix~6_12[22:0]) && !~bvslt32(~bvand32(2147483647bv32, v___kernel_cosf_~ix~6_12), 838860800bv32)) || !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) [2021-11-25 19:34:53,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:34:53,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:34:53,925 INFO L158 Benchmark]: Toolchain (without parser) took 77836.04ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 46.1MB in the beginning and 54.0MB in the end (delta: -7.9MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-11-25 19:34:53,925 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:34:53,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.32ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 45.9MB in the beginning and 73.6MB in the end (delta: -27.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-25 19:34:53,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.72ms. Allocated memory is still 96.5MB. Free memory was 73.6MB in the beginning and 66.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:34:53,927 INFO L158 Benchmark]: Boogie Preprocessor took 218.09ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 59.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:34:53,928 INFO L158 Benchmark]: RCFGBuilder took 34984.55ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 41.0MB in the end (delta: 18.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-25 19:34:53,928 INFO L158 Benchmark]: TraceAbstraction took 41080.16ms. Allocated memory is still 96.5MB. Free memory was 40.5MB in the beginning and 55.3MB in the end (delta: -14.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-25 19:34:53,929 INFO L158 Benchmark]: Witness Printer took 495.59ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 54.0MB in the end (delta: 1.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-25 19:34:53,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.32ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 45.9MB in the beginning and 73.6MB in the end (delta: -27.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.72ms. Allocated memory is still 96.5MB. Free memory was 73.6MB in the beginning and 66.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 218.09ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 59.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 34984.55ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 41.0MB in the end (delta: 18.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 41080.16ms. Allocated memory is still 96.5MB. Free memory was 40.5MB in the beginning and 55.3MB in the end (delta: -14.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 495.59ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 54.0MB in the end (delta: 1.3MB). Peak memory consumption was 27.3MB. 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___kernel_cosf_~ix~6_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,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: 613]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 26.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 651 SdHoareTripleChecker+Invalid, 25.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 24 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 430 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 148 PreInvPairs, 155 NumberOfFragments, 152 HoareAnnotationTreeSize, 148 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 29 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 5 QuantifiedInterpolants, 357 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1847 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) || \old(x) == x - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant [2021-11-25 19:34:53,980 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,980 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,980 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,980 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,981 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] [2021-11-25 19:34:53,982 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_12,QUANTIFIED] Derived loop invariant: (\exists v___kernel_cosf_~ix~6_12 : bv32 :: \old(x) == ~fp~LONGDOUBLE(v___kernel_cosf_~ix~6_12[31:31], v___kernel_cosf_~ix~6_12[30:23], v___kernel_cosf_~ix~6_12[22:0]) && !~bvslt32(~bvand32(2147483647bv32, v___kernel_cosf_~ix~6_12), 838860800bv32)) || !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-25 19:34:54,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9de3f3c8-ce4c-400a-9a13-1ae1297b8045/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE