./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs --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 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:58:26,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:58:26,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:58:26,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:58:26,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:58:26,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:58:26,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:58:26,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:58:26,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:58:26,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:58:26,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:58:26,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:58:26,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:58:26,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:58:26,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:58:26,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:58:26,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:58:26,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:58:26,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:58:26,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:58:26,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:58:26,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:58:26,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:58:26,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:58:26,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:58:26,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:58:26,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:58:26,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:58:26,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:58:26,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:58:26,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:58:26,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:58:26,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:58:26,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:58:26,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:58:26,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:58:26,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:58:26,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:58:26,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:58:26,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:58:27,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:58:27,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:58:27,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:58:27,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:58:27,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:58:27,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:58:27,055 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:58:27,055 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:58:27,055 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:58:27,055 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:58:27,056 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:58:27,056 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:58:27,056 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:58:27,056 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:58:27,057 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:58:27,057 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:58:27,057 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:58:27,058 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:58:27,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:58:27,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:58:27,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:58:27,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:58:27,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:58:27,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:58:27,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:58:27,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:58:27,061 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:58:27,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:58:27,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:58:27,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:58:27,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:58:27,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:58:27,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:58:27,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:58:27,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:58:27,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:58:27,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:58:27,064 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:58:27,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:58:27,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:58:27,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:58:27,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:58:27,065 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_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2021-11-19 14:58:27,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:58:27,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:58:27,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:58:27,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:58:27,417 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:58:27,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-19 14:58:27,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/c119f664c/4cd696cb95a943bcb9b71af2e76ccf68/FLAG832a57fdd [2021-11-19 14:58:28,191 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:58:28,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-19 14:58:28,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/c119f664c/4cd696cb95a943bcb9b71af2e76ccf68/FLAG832a57fdd [2021-11-19 14:58:28,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/c119f664c/4cd696cb95a943bcb9b71af2e76ccf68 [2021-11-19 14:58:28,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:58:28,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:58:28,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:28,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:58:28,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:58:28,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:28" (1/1) ... [2021-11-19 14:58:28,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adf3d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28, skipping insertion in model container [2021-11-19 14:58:28,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:28" (1/1) ... [2021-11-19 14:58:28,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:58:28,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:58:29,016 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_1a5816a2-1cfe-457e-b955-4deca05d640d/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-19 14:58:29,026 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:58:29,082 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:58:29,257 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_1a5816a2-1cfe-457e-b955-4deca05d640d/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-19 14:58:29,258 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:58:29,297 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:58:29,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29 WrapperNode [2021-11-19 14:58:29,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:29,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:58:29,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:58:29,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:58:29,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,478 INFO L137 Inliner]: procedures = 26, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1113 [2021-11-19 14:58:29,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:58:29,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:58:29,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:58:29,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:58:29,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:58:29,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:58:29,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:58:29,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:58:29,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2021-11-19 14:58:29,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:58:29,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:58:29,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:58:29,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:58:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-19 14:58:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-19 14:58:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:58:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:58:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-19 14:58:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:58:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-19 14:58:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-19 14:58:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-19 14:58:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-19 14:58:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-19 14:58:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:58:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-19 14:58:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-19 14:58:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-19 14:58:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:58:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:58:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:58:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:58:29,953 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:58:29,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:58:31,356 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:58:31,664 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:58:31,664 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-19 14:58:31,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:31 BoogieIcfgContainer [2021-11-19 14:58:31,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:58:31,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:58:31,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:58:31,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:58:31,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:58:28" (1/3) ... [2021-11-19 14:58:31,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db6d51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:58:31, skipping insertion in model container [2021-11-19 14:58:31,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (2/3) ... [2021-11-19 14:58:31,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db6d51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:58:31, skipping insertion in model container [2021-11-19 14:58:31,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:31" (3/3) ... [2021-11-19 14:58:31,677 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320b.c [2021-11-19 14:58:31,687 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:58:31,687 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:58:31,742 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:58:31,750 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 [2021-11-19 14:58:31,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:58:31,775 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) [2021-11-19 14:58:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 14:58:31,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:58:31,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:58:31,781 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:58:31,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:58:31,786 INFO L85 PathProgramCache]: Analyzing trace with hash 230419572, now seen corresponding path program 1 times [2021-11-19 14:58:31,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:58:31,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244989771] [2021-11-19 14:58:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:58:31,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:58:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:58:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:58:32,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:58:32,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244989771] [2021-11-19 14:58:32,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244989771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:58:32,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:58:32,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:58:32,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733324328] [2021-11-19 14:58:32,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:58:32,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:58:32,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:58:32,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:58:32,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:58:32,245 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) [2021-11-19 14:58:32,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:58:32,440 INFO L93 Difference]: Finished difference Result 335 states and 563 transitions. [2021-11-19 14:58:32,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:58:32,445 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 [2021-11-19 14:58:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:58:32,456 INFO L225 Difference]: With dead ends: 335 [2021-11-19 14:58:32,456 INFO L226 Difference]: Without dead ends: 166 [2021-11-19 14:58:32,463 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 [2021-11-19 14:58:32,467 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:58:32,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:58:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-19 14:58:32,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-19 14:58:32,524 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) [2021-11-19 14:58:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 232 transitions. [2021-11-19 14:58:32,529 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 232 transitions. Word has length 8 [2021-11-19 14:58:32,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:58:32,530 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 232 transitions. [2021-11-19 14:58:32,530 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) [2021-11-19 14:58:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 232 transitions. [2021-11-19 14:58:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 14:58:32,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:58:32,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:58:32,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:58:32,533 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:58:32,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:58:32,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1128696876, now seen corresponding path program 1 times [2021-11-19 14:58:32,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:58:32,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520479554] [2021-11-19 14:58:32,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:58:32,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:58:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:58:32,751 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 14:58:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:58:32,930 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-19 14:58:32,930 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 14:58:32,932 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:58:32,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:58:32,938 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 14:58:32,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:58:33,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:58:33 BoogieIcfgContainer [2021-11-19 14:58:33,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:58:33,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:58:33,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:58:33,019 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:58:33,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:31" (3/4) ... [2021-11-19 14:58:33,023 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 14:58:33,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:58:33,024 INFO L158 Benchmark]: Toolchain (without parser) took 4617.34ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 90.8MB in the beginning and 106.7MB in the end (delta: -15.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-11-19 14:58:33,024 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:58:33,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 886.27ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 85.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:58:33,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.60ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 78.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:58:33,026 INFO L158 Benchmark]: Boogie Preprocessor took 137.24ms. Allocated memory is still 127.9MB. Free memory was 78.4MB in the beginning and 72.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:58:33,027 INFO L158 Benchmark]: RCFGBuilder took 2050.03ms. Allocated memory is still 127.9MB. Free memory was 72.1MB in the beginning and 71.9MB in the end (delta: 202.1kB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2021-11-19 14:58:33,028 INFO L158 Benchmark]: TraceAbstraction took 1348.60ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 71.3MB in the beginning and 107.7MB in the end (delta: -36.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-11-19 14:58:33,029 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 186.6MB. Free memory was 107.7MB in the beginning and 106.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:58:33,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 886.27ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 85.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.60ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 78.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.24ms. Allocated memory is still 127.9MB. Free memory was 78.4MB in the beginning and 72.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2050.03ms. Allocated memory is still 127.9MB. Free memory was 72.1MB in the beginning and 71.9MB in the end (delta: 202.1kB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1348.60ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 71.3MB in the beginning and 107.7MB in the end (delta: -36.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 186.6MB. Free memory was 107.7MB in the beginning and 106.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 someUnaryFLOAToperation at line 608, 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)=1000000000000000000000000000002, 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={13:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={14:0}, 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={22:0}, 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={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={19:0}, 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)=1000000000000000000000000000002, 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={13:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={14:0}, 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={22:0}, 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={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={19:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000002, 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={13:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={14:0}, 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={22:0}, 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={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={19:0}, z=0, zero_krempio=0, zero_rempio=0] [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; VAL [\old(x)=1000000000000000000000000000002, 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={13:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={14:0}, 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={22:0}, 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={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, 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={13:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={14:0}, 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={22:0}, 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={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, 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={13:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={14:0}, 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={22:0}, 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={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s 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: 0.0s 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 [2021-11-19 14:58:33,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/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_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs --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 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:58:35,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:58:35,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:58:35,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:58:35,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:58:35,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:58:35,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:58:35,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:58:35,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:58:35,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:58:35,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:58:35,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:58:35,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:58:35,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:58:35,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:58:35,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:58:35,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:58:35,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:58:35,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:58:35,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:58:35,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:58:35,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:58:35,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:58:35,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:58:35,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:58:35,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:58:35,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:58:35,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:58:35,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:58:35,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:58:35,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:58:35,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:58:35,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:58:35,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:58:35,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:58:35,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:58:35,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:58:35,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:58:35,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:58:35,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:58:35,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:58:35,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 14:58:35,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:58:35,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:58:35,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:58:35,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:58:35,725 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:58:35,725 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:58:35,726 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:58:35,726 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:58:35,727 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:58:35,727 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:58:35,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:58:35,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:58:35,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:58:35,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:58:35,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:58:35,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:58:35,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:58:35,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:58:35,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:58:35,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:58:35,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:58:35,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:58:35,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:58:35,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:58:35,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:58:35,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:58:35,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:58:35,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:58:35,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:58:35,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:58:35,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:58:35,736 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:58:35,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:58:35,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:58:35,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:58:35,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:58:35,737 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_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2021-11-19 14:58:36,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:58:36,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:58:36,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:58:36,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:58:36,125 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:58:36,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-19 14:58:36,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/27e501038/fcad10a252b745ad9d6acd300815a454/FLAG1ffbb8265 [2021-11-19 14:58:36,793 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:58:36,794 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-19 14:58:36,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/27e501038/fcad10a252b745ad9d6acd300815a454/FLAG1ffbb8265 [2021-11-19 14:58:37,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/data/27e501038/fcad10a252b745ad9d6acd300815a454 [2021-11-19 14:58:37,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:58:37,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:58:37,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:37,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:58:37,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:58:37,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:37,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4d8e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37, skipping insertion in model container [2021-11-19 14:58:37,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:37,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:58:37,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:58:37,479 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_1a5816a2-1cfe-457e-b955-4deca05d640d/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-19 14:58:37,482 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:58:37,531 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:58:37,643 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_1a5816a2-1cfe-457e-b955-4deca05d640d/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-19 14:58:37,644 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:58:37,746 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:58:37,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37 WrapperNode [2021-11-19 14:58:37,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:58:37,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:58:37,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:58:37,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:58:37,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:37,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:37,905 INFO L137 Inliner]: procedures = 30, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1112 [2021-11-19 14:58:37,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:58:37,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:58:37,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:58:37,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:58:37,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:37,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:37,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:37,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:38,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:38,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:38,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:38,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:58:38,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:58:38,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:58:38,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:58:38,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2021-11-19 14:58:38,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:58:38,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:58:38,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:58:38,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:58:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-19 14:58:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-19 14:58:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:58:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:58:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:58:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:58:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-19 14:58:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:58:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-19 14:58:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-19 14:58:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-19 14:58:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-19 14:58:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-19 14:58:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-19 14:58:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-19 14:58:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-19 14:58:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:58:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:58:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:58:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:58:38,552 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:58:38,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:59:14,357 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:59:14,375 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:59:14,378 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-19 14:59:14,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:14 BoogieIcfgContainer [2021-11-19 14:59:14,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:59:14,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:59:14,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:59:14,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:59:14,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:58:37" (1/3) ... [2021-11-19 14:59:14,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f2e870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:59:14, skipping insertion in model container [2021-11-19 14:59:14,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (2/3) ... [2021-11-19 14:59:14,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f2e870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:59:14, skipping insertion in model container [2021-11-19 14:59:14,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:14" (3/3) ... [2021-11-19 14:59:14,394 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320b.c [2021-11-19 14:59:14,400 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:59:14,400 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:59:14,458 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:59:14,467 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 [2021-11-19 14:59:14,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:59:14,499 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) [2021-11-19 14:59:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 14:59:14,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:59:14,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:59:14,506 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:59:14,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:59:14,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1639684783, now seen corresponding path program 1 times [2021-11-19 14:59:14,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:59:14,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818624941] [2021-11-19 14:59:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:59:14,528 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:59:14,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:59:14,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:59:14,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:59:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:59:16,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:59:16,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:59:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:16,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:59:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:16,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:59:16,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818624941] [2021-11-19 14:59:16,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818624941] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:59:16,236 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:59:16,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 14:59:16,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657439305] [2021-11-19 14:59:16,239 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:59:16,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:59:16,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:59:16,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:59:16,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:59:16,278 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) [2021-11-19 14:59:16,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:59:16,367 INFO L93 Difference]: Finished difference Result 486 states and 810 transitions. [2021-11-19 14:59:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:59:16,370 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 [2021-11-19 14:59:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:59:16,382 INFO L225 Difference]: With dead ends: 486 [2021-11-19 14:59:16,383 INFO L226 Difference]: Without dead ends: 241 [2021-11-19 14:59:16,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:59:16,393 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 [2021-11-19 14:59:16,394 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] [2021-11-19 14:59:16,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-11-19 14:59:16,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2021-11-19 14:59:16,449 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) [2021-11-19 14:59:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2021-11-19 14:59:16,455 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 9 [2021-11-19 14:59:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:59:16,456 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2021-11-19 14:59:16,456 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) [2021-11-19 14:59:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2021-11-19 14:59:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 14:59:16,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:59:16,457 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:59:16,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:59:16,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:59:16,674 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:59:16,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:59:16,674 INFO L85 PathProgramCache]: Analyzing trace with hash -391148295, now seen corresponding path program 1 times [2021-11-19 14:59:16,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:59:16,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87389809] [2021-11-19 14:59:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:59:16,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:59:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:59:16,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:59:16,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:59:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:59:18,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 14:59:18,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:59:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:18,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:59:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:18,771 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:59:18,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87389809] [2021-11-19 14:59:18,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87389809] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:59:18,772 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:59:18,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 14:59:18,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088198983] [2021-11-19 14:59:18,773 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:59:18,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:59:18,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:59:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:59:18,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:59:18,776 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-11-19 14:59:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:59:18,914 INFO L93 Difference]: Finished difference Result 259 states and 357 transitions. [2021-11-19 14:59:18,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:59:18,930 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 [2021-11-19 14:59:18,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:59:18,931 INFO L225 Difference]: With dead ends: 259 [2021-11-19 14:59:18,931 INFO L226 Difference]: Without dead ends: 26 [2021-11-19 14:59:18,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:59:18,935 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:59:18,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 99 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2021-11-19 14:59:18,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-19 14:59:18,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-19 14:59:18,940 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) [2021-11-19 14:59:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2021-11-19 14:59:18,941 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 10 [2021-11-19 14:59:18,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:59:18,941 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2021-11-19 14:59:18,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-11-19 14:59:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-11-19 14:59:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-19 14:59:18,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:59:18,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:59:18,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:59:19,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:59:19,170 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:59:19,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:59:19,171 INFO L85 PathProgramCache]: Analyzing trace with hash 960425796, now seen corresponding path program 1 times [2021-11-19 14:59:19,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:59:19,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630241633] [2021-11-19 14:59:19,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:59:19,173 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:59:19,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:59:19,175 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:59:19,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:59:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:59:20,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:59:20,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:59:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:21,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:59:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:22,003 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:59:22,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630241633] [2021-11-19 14:59:22,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630241633] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:59:22,003 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:59:22,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 8 [2021-11-19 14:59:22,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122431923] [2021-11-19 14:59:22,004 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:59:22,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:59:22,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:59:22,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:59:22,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:59:22,006 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:59:24,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:26,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:28,739 WARN L515 Checker$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 [] [2021-11-19 14:59:30,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:32,757 WARN L515 Checker$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 [] [2021-11-19 14:59:34,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:37,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:39,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:41,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:43,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:45,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:45,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:59:45,339 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-11-19 14:59:45,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:59:45,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2021-11-19 14:59:45,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:59:45,341 INFO L225 Difference]: With dead ends: 33 [2021-11-19 14:59:45,341 INFO L226 Difference]: Without dead ends: 26 [2021-11-19 14:59:45,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:59:45,343 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 10 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:59:45,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 96 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 11 Unknown, 0 Unchecked, 23.1s Time] [2021-11-19 14:59:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-19 14:59:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-19 14:59:45,348 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) [2021-11-19 14:59:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2021-11-19 14:59:45,358 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 19 [2021-11-19 14:59:45,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:59:45,358 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2021-11-19 14:59:45,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:59:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-19 14:59:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-19 14:59:45,360 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:59:45,360 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] [2021-11-19 14:59:45,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:59:45,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:59:45,574 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:59:45,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:59:45,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1646682684, now seen corresponding path program 1 times [2021-11-19 14:59:45,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:59:45,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258800003] [2021-11-19 14:59:45,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:59:45,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:59:45,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:59:45,578 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:59:45,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:59:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:59:47,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 14:59:47,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:59:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:48,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:59:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:49,443 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:59:49,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258800003] [2021-11-19 14:59:49,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258800003] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:59:49,444 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:59:49,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-19 14:59:49,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106493220] [2021-11-19 14:59:49,444 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:59:49,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:59:49,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:59:49,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:59:49,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:59:49,446 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:59:51,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 14:59:51,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:59:51,925 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2021-11-19 14:59:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:59:51,964 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-11-19 14:59:51,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:59:51,965 INFO L225 Difference]: With dead ends: 39 [2021-11-19 14:59:51,965 INFO L226 Difference]: Without dead ends: 26 [2021-11-19 14:59:51,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:59:51,971 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 16 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:59:51,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 151 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 1 Unknown, 39 Unchecked, 2.2s Time] [2021-11-19 14:59:51,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-19 14:59:51,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-19 14:59:51,974 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) [2021-11-19 14:59:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-11-19 14:59:51,975 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2021-11-19 14:59:51,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:59:51,976 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-11-19 14:59:51,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:59:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-19 14:59:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-19 14:59:51,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:59:51,977 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] [2021-11-19 14:59:52,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:59:52,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:59:52,177 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:59:52,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:59:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1832981880, now seen corresponding path program 1 times [2021-11-19 14:59:52,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:59:52,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886353585] [2021-11-19 14:59:52,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:59:52,179 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:59:52,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:59:52,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:59:52,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:59:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:59:54,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:59:54,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:59:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:54,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:59:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:59:58,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:59:58,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886353585] [2021-11-19 14:59:58,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886353585] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:59:58,316 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:59:58,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 14:59:58,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120425019] [2021-11-19 14:59:58,316 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:59:58,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:59:58,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:59:58,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:59:58,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:59:58,318 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 15:00:01,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 15:00:03,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 15:00:05,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 15:00:05,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:00:05,310 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-11-19 15:00:05,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:00:05,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-11-19 15:00:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:00:05,350 INFO L225 Difference]: With dead ends: 26 [2021-11-19 15:00:05,350 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 15:00:05,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:00:05,352 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:00:05,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 46 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2021-11-19 15:00:05,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 15:00:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 15:00:05,353 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) [2021-11-19 15:00:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 15:00:05,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-11-19 15:00:05,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:00:05,354 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 15:00:05,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 15:00:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 15:00:05,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 15:00:05,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 15:00:05,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-19 15:00:05,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:00:05,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 15:00:06,116 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 544) no Hoare annotation was computed. [2021-11-19 15:00:06,116 INFO L858 garLoopResultBuilder]: For program point L541-2(lines 541 544) no Hoare annotation was computed. [2021-11-19 15:00:06,116 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 535 539) no Hoare annotation was computed. [2021-11-19 15:00:06,116 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)) [2021-11-19 15:00:06,117 INFO L858 garLoopResultBuilder]: For program point L535-3(lines 535 539) no Hoare annotation was computed. [2021-11-19 15:00:06,117 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-11-19 15:00:06,117 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 532 565) the Hoare annotation is: true [2021-11-19 15:00:06,117 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 543) no Hoare annotation was computed. [2021-11-19 15:00:06,117 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 532 565) no Hoare annotation was computed. [2021-11-19 15:00:06,117 INFO L858 garLoopResultBuilder]: For program point L555-1(lines 555 559) no Hoare annotation was computed. [2021-11-19 15:00:06,118 INFO L854 garLoopResultBuilder]: At program point L555-2(lines 555 559) the Hoare annotation is: (or (exists ((v___kernel_cosf_~ix~6_17 (_ BitVec 32))) (and (= |__kernel_cosf_#in~x| (fp ((_ extract 31 31) v___kernel_cosf_~ix~6_17) ((_ extract 30 23) v___kernel_cosf_~ix~6_17) ((_ extract 22 0) v___kernel_cosf_~ix~6_17))) (not (bvslt (bvand (_ bv2147483647 32) v___kernel_cosf_~ix~6_17) (_ bv838860800 32))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0))) [2021-11-19 15:00:06,118 INFO L858 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-11-19 15:00:06,118 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 564) no Hoare annotation was computed. [2021-11-19 15:00:06,118 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 532 565) no Hoare annotation was computed. [2021-11-19 15:00:06,118 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 66 84) no Hoare annotation was computed. [2021-11-19 15:00:06,118 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-11-19 15:00:06,118 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 66 84) no Hoare annotation was computed. [2021-11-19 15:00:06,119 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 66 84) the Hoare annotation is: true [2021-11-19 15:00:06,119 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-11-19 15:00:06,119 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 66 84) no Hoare annotation was computed. [2021-11-19 15:00:06,119 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2021-11-19 15:00:06,119 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 66 84) no Hoare annotation was computed. [2021-11-19 15:00:06,119 INFO L858 garLoopResultBuilder]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2021-11-19 15:00:06,119 INFO L861 garLoopResultBuilder]: At program point L68-2(lines 68 72) the Hoare annotation is: true [2021-11-19 15:00:06,120 INFO L858 garLoopResultBuilder]: For program point L514-2(lines 514 517) no Hoare annotation was computed. [2021-11-19 15:00:06,120 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2021-11-19 15:00:06,120 INFO L861 garLoopResultBuilder]: At program point L508-2(lines 508 512) the Hoare annotation is: true [2021-11-19 15:00:06,120 INFO L858 garLoopResultBuilder]: For program point L508-3(lines 508 512) no Hoare annotation was computed. [2021-11-19 15:00:06,120 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 505 525) no Hoare annotation was computed. [2021-11-19 15:00:06,120 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2021-11-19 15:00:06,121 INFO L858 garLoopResultBuilder]: For program point L515(lines 515 516) no Hoare annotation was computed. [2021-11-19 15:00:06,121 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 505 525) the Hoare annotation is: true [2021-11-19 15:00:06,121 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 505 525) no Hoare annotation was computed. [2021-11-19 15:00:06,121 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 517) no Hoare annotation was computed. [2021-11-19 15:00:06,121 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-11-19 15:00:06,121 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2021-11-19 15:00:06,121 INFO L858 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2021-11-19 15:00:06,122 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 422) no Hoare annotation was computed. [2021-11-19 15:00:06,122 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 303) no Hoare annotation was computed. [2021-11-19 15:00:06,122 INFO L854 garLoopResultBuilder]: At program point L302-3(lines 302 303) the Hoare annotation is: false [2021-11-19 15:00:06,122 INFO L858 garLoopResultBuilder]: For program point L302-4(lines 299 339) no Hoare annotation was computed. [2021-11-19 15:00:06,122 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 409) no Hoare annotation was computed. [2021-11-19 15:00:06,122 INFO L858 garLoopResultBuilder]: For program point L402-2(lines 402 409) no Hoare annotation was computed. [2021-11-19 15:00:06,122 INFO L858 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-11-19 15:00:06,123 INFO L858 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-11-19 15:00:06,123 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 436 440) no Hoare annotation was computed. [2021-11-19 15:00:06,123 INFO L854 garLoopResultBuilder]: At program point L436-2(lines 436 440) the Hoare annotation is: false [2021-11-19 15:00:06,123 INFO L858 garLoopResultBuilder]: For program point L436-3(lines 436 440) no Hoare annotation was computed. [2021-11-19 15:00:06,123 INFO L858 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2021-11-19 15:00:06,123 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 271 274) no Hoare annotation was computed. [2021-11-19 15:00:06,123 INFO L854 garLoopResultBuilder]: At program point L271-3(lines 271 274) the Hoare annotation is: false [2021-11-19 15:00:06,124 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) (= .cse0 |ULTIMATE.start_cos_float_#res#1|))) [2021-11-19 15:00:06,124 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2021-11-19 15:00:06,124 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-11-19 15:00:06,124 INFO L858 garLoopResultBuilder]: For program point L306-2(line 306) no Hoare annotation was computed. [2021-11-19 15:00:06,124 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 475) no Hoare annotation was computed. [2021-11-19 15:00:06,124 INFO L854 garLoopResultBuilder]: At program point L340(lines 170 341) the Hoare annotation is: false [2021-11-19 15:00:06,125 INFO L858 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2021-11-19 15:00:06,125 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 47) no Hoare annotation was computed. [2021-11-19 15:00:06,127 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2021-11-19 15:00:06,127 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 143 147) no Hoare annotation was computed. [2021-11-19 15:00:06,127 INFO L854 garLoopResultBuilder]: At program point L143-2(lines 143 147) the Hoare annotation is: false [2021-11-19 15:00:06,127 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-19 15:00:06,128 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-11-19 15:00:06,128 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 577) no Hoare annotation was computed. [2021-11-19 15:00:06,128 INFO L854 garLoopResultBuilder]: At program point L573-2(lines 573 577) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_~x#1| (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0)) [2021-11-19 15:00:06,128 INFO L858 garLoopResultBuilder]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2021-11-19 15:00:06,129 INFO L854 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: false [2021-11-19 15:00:06,129 INFO L858 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-11-19 15:00:06,129 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2021-11-19 15:00:06,129 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2021-11-19 15:00:06,129 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 299 339) no Hoare annotation was computed. [2021-11-19 15:00:06,130 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 461) no Hoare annotation was computed. [2021-11-19 15:00:06,130 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 430 462) no Hoare annotation was computed. [2021-11-19 15:00:06,130 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 284) no Hoare annotation was computed. [2021-11-19 15:00:06,130 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 245) no Hoare annotation was computed. [2021-11-19 15:00:06,131 INFO L854 garLoopResultBuilder]: At program point L277-2(lines 268 285) the Hoare annotation is: false [2021-11-19 15:00:06,131 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-19 15:00:06,131 INFO L854 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2021-11-19 15:00:06,131 INFO L858 garLoopResultBuilder]: For program point L245-1(line 245) no Hoare annotation was computed. [2021-11-19 15:00:06,131 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 181) no Hoare annotation was computed. [2021-11-19 15:00:06,132 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 181) no Hoare annotation was computed. [2021-11-19 15:00:06,132 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 478 482) no Hoare annotation was computed. [2021-11-19 15:00:06,132 INFO L854 garLoopResultBuilder]: At program point L478-2(lines 478 482) the Hoare annotation is: false [2021-11-19 15:00:06,132 INFO L858 garLoopResultBuilder]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2021-11-19 15:00:06,133 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 314) no Hoare annotation was computed. [2021-11-19 15:00:06,133 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 217) no Hoare annotation was computed. [2021-11-19 15:00:06,133 INFO L854 garLoopResultBuilder]: At program point L313-3(lines 313 314) the Hoare annotation is: false [2021-11-19 15:00:06,133 INFO L858 garLoopResultBuilder]: For program point L313-4(lines 299 339) no Hoare annotation was computed. [2021-11-19 15:00:06,133 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 152) no Hoare annotation was computed. [2021-11-19 15:00:06,134 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 141 154) no Hoare annotation was computed. [2021-11-19 15:00:06,134 INFO L858 garLoopResultBuilder]: For program point L148-2(lines 148 152) no Hoare annotation was computed. [2021-11-19 15:00:06,134 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 420) no Hoare annotation was computed. [2021-11-19 15:00:06,134 INFO L858 garLoopResultBuilder]: For program point L413-2(lines 413 420) no Hoare annotation was computed. [2021-11-19 15:00:06,134 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-11-19 15:00:06,135 INFO L858 garLoopResultBuilder]: For program point L612(lines 612 615) no Hoare annotation was computed. [2021-11-19 15:00:06,135 INFO L858 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-11-19 15:00:06,135 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 217) no Hoare annotation was computed. [2021-11-19 15:00:06,135 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 171 341) no Hoare annotation was computed. [2021-11-19 15:00:06,135 INFO L858 garLoopResultBuilder]: For program point L216-2(lines 171 341) no Hoare annotation was computed. [2021-11-19 15:00:06,136 INFO L858 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2021-11-19 15:00:06,136 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 598) no Hoare annotation was computed. [2021-11-19 15:00:06,136 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2021-11-19 15:00:06,136 INFO L854 garLoopResultBuilder]: At program point L448-2(lines 448 452) the Hoare annotation is: false [2021-11-19 15:00:06,137 INFO L858 garLoopResultBuilder]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-11-19 15:00:06,137 INFO L854 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_~x#1| (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0)) [2021-11-19 15:00:06,137 INFO L858 garLoopResultBuilder]: For program point L581-1(line 581) no Hoare annotation was computed. [2021-11-19 15:00:06,137 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 15:00:06,137 INFO L858 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-11-19 15:00:06,138 INFO L858 garLoopResultBuilder]: For program point L251-2(lines 251 252) no Hoare annotation was computed. [2021-11-19 15:00:06,138 INFO L854 garLoopResultBuilder]: At program point L251-3(lines 251 252) the Hoare annotation is: false [2021-11-19 15:00:06,138 INFO L858 garLoopResultBuilder]: For program point L251-4(lines 249 266) no Hoare annotation was computed. [2021-11-19 15:00:06,138 INFO L858 garLoopResultBuilder]: For program point L483-2(lines 483 486) no Hoare annotation was computed. [2021-11-19 15:00:06,139 INFO L854 garLoopResultBuilder]: At program point L483-3(lines 483 486) the Hoare annotation is: false [2021-11-19 15:00:06,139 INFO L858 garLoopResultBuilder]: For program point L483-4(lines 483 486) no Hoare annotation was computed. [2021-11-19 15:00:06,139 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-11-19 15:00:06,139 INFO L858 garLoopResultBuilder]: For program point L219(lines 171 341) no Hoare annotation was computed. [2021-11-19 15:00:06,139 INFO L854 garLoopResultBuilder]: At program point L318-3(lines 318 322) the Hoare annotation is: false [2021-11-19 15:00:06,140 INFO L858 garLoopResultBuilder]: For program point L318-4(lines 318 322) no Hoare annotation was computed. [2021-11-19 15:00:06,140 INFO L854 garLoopResultBuilder]: At program point L153(lines 141 154) the Hoare annotation is: false [2021-11-19 15:00:06,140 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-11-19 15:00:06,140 INFO L854 garLoopResultBuilder]: At program point L186-3(lines 186 187) the Hoare annotation is: false [2021-11-19 15:00:06,140 INFO L858 garLoopResultBuilder]: For program point L186-4(lines 186 187) no Hoare annotation was computed. [2021-11-19 15:00:06,141 INFO L861 garLoopResultBuilder]: At program point L616(lines 601 617) the Hoare annotation is: true [2021-11-19 15:00:06,141 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 598) no Hoare annotation was computed. [2021-11-19 15:00:06,141 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-19 15:00:06,141 INFO L858 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-11-19 15:00:06,141 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-11-19 15:00:06,142 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 20 61) no Hoare annotation was computed. [2021-11-19 15:00:06,142 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2021-11-19 15:00:06,142 INFO L858 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2021-11-19 15:00:06,142 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 255) no Hoare annotation was computed. [2021-11-19 15:00:06,142 INFO L858 garLoopResultBuilder]: For program point L254-3(lines 254 255) no Hoare annotation was computed. [2021-11-19 15:00:06,143 INFO L854 garLoopResultBuilder]: At program point L254-4(lines 254 255) the Hoare annotation is: false [2021-11-19 15:00:06,143 INFO L858 garLoopResultBuilder]: For program point L254-5(lines 254 255) no Hoare annotation was computed. [2021-11-19 15:00:06,143 INFO L858 garLoopResultBuilder]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2021-11-19 15:00:06,143 INFO L854 garLoopResultBuilder]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2021-11-19 15:00:06,143 INFO L858 garLoopResultBuilder]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2021-11-19 15:00:06,144 INFO L858 garLoopResultBuilder]: For program point L288-2(lines 288 291) no Hoare annotation was computed. [2021-11-19 15:00:06,144 INFO L854 garLoopResultBuilder]: At program point L288-3(lines 288 291) the Hoare annotation is: false [2021-11-19 15:00:06,144 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 231) no Hoare annotation was computed. [2021-11-19 15:00:06,144 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 291) no Hoare annotation was computed. [2021-11-19 15:00:06,144 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-19 15:00:06,145 INFO L854 garLoopResultBuilder]: At program point L222-3(lines 222 231) the Hoare annotation is: false [2021-11-19 15:00:06,145 INFO L854 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2021-11-19 15:00:06,145 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 219 247) no Hoare annotation was computed. [2021-11-19 15:00:06,145 INFO L858 garLoopResultBuilder]: For program point L189-4(lines 189 193) no Hoare annotation was computed. [2021-11-19 15:00:06,145 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 460) no Hoare annotation was computed. [2021-11-19 15:00:06,146 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-11-19 15:00:06,146 INFO L854 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-11-19 15:00:06,146 INFO L858 garLoopResultBuilder]: For program point L388-3(lines 388 392) no Hoare annotation was computed. [2021-11-19 15:00:06,146 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 15:00:06,146 INFO L858 garLoopResultBuilder]: For program point L190-2(lines 190 191) no Hoare annotation was computed. [2021-11-19 15:00:06,147 INFO L854 garLoopResultBuilder]: At program point L190-3(lines 190 191) the Hoare annotation is: false [2021-11-19 15:00:06,147 INFO L858 garLoopResultBuilder]: For program point L190-4(lines 190 191) no Hoare annotation was computed. [2021-11-19 15:00:06,147 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2021-11-19 15:00:06,147 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-11-19 15:00:06,148 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 327) the Hoare annotation is: false [2021-11-19 15:00:06,148 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 262) no Hoare annotation was computed. [2021-11-19 15:00:06,148 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 323 327) no Hoare annotation was computed. [2021-11-19 15:00:06,148 INFO L854 garLoopResultBuilder]: At program point L257-3(lines 257 262) the Hoare annotation is: false [2021-11-19 15:00:06,148 INFO L858 garLoopResultBuilder]: For program point L257-4(lines 257 262) no Hoare annotation was computed. [2021-11-19 15:00:06,149 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 597) no Hoare annotation was computed. [2021-11-19 15:00:06,149 INFO L858 garLoopResultBuilder]: For program point L489-1(lines 489 490) no Hoare annotation was computed. [2021-11-19 15:00:06,149 INFO L854 garLoopResultBuilder]: At program point L489-3(lines 489 490) the Hoare annotation is: false [2021-11-19 15:00:06,149 INFO L858 garLoopResultBuilder]: For program point L489-4(lines 489 490) no Hoare annotation was computed. [2021-11-19 15:00:06,149 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 228) no Hoare annotation was computed. [2021-11-19 15:00:06,150 INFO L854 garLoopResultBuilder]: At program point L60(lines 20 61) the Hoare annotation is: false [2021-11-19 15:00:06,150 INFO L858 garLoopResultBuilder]: For program point L589(line 589) no Hoare annotation was computed. [2021-11-19 15:00:06,150 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 470) no Hoare annotation was computed. [2021-11-19 15:00:06,150 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 260) no Hoare annotation was computed. [2021-11-19 15:00:06,150 INFO L854 garLoopResultBuilder]: At program point L259-3(lines 259 260) the Hoare annotation is: false [2021-11-19 15:00:06,151 INFO L858 garLoopResultBuilder]: For program point L259-4(lines 259 260) no Hoare annotation was computed. [2021-11-19 15:00:06,151 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 15:00:06,151 INFO L854 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: false [2021-11-19 15:00:06,151 INFO L858 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2021-11-19 15:00:06,151 INFO L858 garLoopResultBuilder]: For program point L293-2(lines 293 297) no Hoare annotation was computed. [2021-11-19 15:00:06,152 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 297) the Hoare annotation is: false [2021-11-19 15:00:06,152 INFO L858 garLoopResultBuilder]: For program point L293-4(lines 293 297) no Hoare annotation was computed. [2021-11-19 15:00:06,152 INFO L858 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2021-11-19 15:00:06,152 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-11-19 15:00:06,152 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 295) no Hoare annotation was computed. [2021-11-19 15:00:06,153 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 295) the Hoare annotation is: false [2021-11-19 15:00:06,153 INFO L858 garLoopResultBuilder]: For program point L294-4(lines 294 295) no Hoare annotation was computed. [2021-11-19 15:00:06,153 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 54) no Hoare annotation was computed. [2021-11-19 15:00:06,153 INFO L854 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: false [2021-11-19 15:00:06,153 INFO L858 garLoopResultBuilder]: For program point L592-1(line 592) no Hoare annotation was computed. [2021-11-19 15:00:06,154 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-11-19 15:00:06,154 INFO L858 garLoopResultBuilder]: For program point L328-2(lines 328 329) no Hoare annotation was computed. [2021-11-19 15:00:06,154 INFO L854 garLoopResultBuilder]: At program point L328-3(lines 328 329) the Hoare annotation is: false [2021-11-19 15:00:06,154 INFO L858 garLoopResultBuilder]: For program point L328-4(lines 299 339) no Hoare annotation was computed. [2021-11-19 15:00:06,154 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 48) no Hoare annotation was computed. [2021-11-19 15:00:06,155 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-11-19 15:00:06,155 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 38) no Hoare annotation was computed. [2021-11-19 15:00:06,155 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 15:00:06,155 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2021-11-19 15:00:06,155 INFO L854 garLoopResultBuilder]: At program point L594(line 594) the Hoare annotation is: false [2021-11-19 15:00:06,156 INFO L858 garLoopResultBuilder]: For program point L594-1(line 594) no Hoare annotation was computed. [2021-11-19 15:00:06,156 INFO L854 garLoopResultBuilder]: At program point L264(lines 171 341) the Hoare annotation is: false [2021-11-19 15:00:06,156 INFO L858 garLoopResultBuilder]: For program point L198-2(lines 198 202) no Hoare annotation was computed. [2021-11-19 15:00:06,156 INFO L854 garLoopResultBuilder]: At program point L198-3(lines 198 202) the Hoare annotation is: false [2021-11-19 15:00:06,156 INFO L854 garLoopResultBuilder]: At program point L198-4(lines 198 202) the Hoare annotation is: false [2021-11-19 15:00:06,157 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 37) no Hoare annotation was computed. [2021-11-19 15:00:06,157 INFO L858 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2021-11-19 15:00:06,157 INFO L858 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2021-11-19 15:00:06,157 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 462) no Hoare annotation was computed. [2021-11-19 15:00:06,157 INFO L858 garLoopResultBuilder]: For program point L232-1(lines 219 247) no Hoare annotation was computed. [2021-11-19 15:00:06,158 INFO L854 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: false [2021-11-19 15:00:06,158 INFO L858 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-11-19 15:00:06,158 INFO L854 garLoopResultBuilder]: At program point L497(lines 382 498) the Hoare annotation is: false [2021-11-19 15:00:06,158 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 469) no Hoare annotation was computed. [2021-11-19 15:00:06,158 INFO L854 garLoopResultBuilder]: At program point L299(lines 299 339) the Hoare annotation is: false [2021-11-19 15:00:06,159 INFO L854 garLoopResultBuilder]: At program point L233(lines 233 240) the Hoare annotation is: false [2021-11-19 15:00:06,159 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-11-19 15:00:06,159 INFO L861 garLoopResultBuilder]: At program point L118(line 118) the Hoare annotation is: true [2021-11-19 15:00:06,159 INFO L858 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2021-11-19 15:00:06,160 INFO L861 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: true [2021-11-19 15:00:06,160 INFO L858 garLoopResultBuilder]: For program point L131-1(line 131) no Hoare annotation was computed. [2021-11-19 15:00:06,160 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 132) no Hoare annotation was computed. [2021-11-19 15:00:06,160 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2021-11-19 15:00:06,160 INFO L861 garLoopResultBuilder]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2021-11-19 15:00:06,161 INFO L858 garLoopResultBuilder]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2021-11-19 15:00:06,161 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 126) no Hoare annotation was computed. [2021-11-19 15:00:06,161 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 90 140) no Hoare annotation was computed. [2021-11-19 15:00:06,161 INFO L858 garLoopResultBuilder]: For program point L107-1(lines 107 111) no Hoare annotation was computed. [2021-11-19 15:00:06,161 INFO L861 garLoopResultBuilder]: At program point L107-2(lines 107 111) the Hoare annotation is: true [2021-11-19 15:00:06,162 INFO L858 garLoopResultBuilder]: For program point L107-3(lines 107 111) no Hoare annotation was computed. [2021-11-19 15:00:06,162 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2021-11-19 15:00:06,162 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 131) no Hoare annotation was computed. [2021-11-19 15:00:06,162 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2021-11-19 15:00:06,162 INFO L861 garLoopResultBuilder]: At program point L120-2(lines 120 124) the Hoare annotation is: true [2021-11-19 15:00:06,162 INFO L858 garLoopResultBuilder]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2021-11-19 15:00:06,163 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 90 140) no Hoare annotation was computed. [2021-11-19 15:00:06,163 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 90 140) the Hoare annotation is: true [2021-11-19 15:00:06,163 INFO L861 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: true [2021-11-19 15:00:06,163 INFO L858 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2021-11-19 15:00:06,163 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-19 15:00:06,164 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-11-19 15:00:06,164 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 115) no Hoare annotation was computed. [2021-11-19 15:00:06,164 INFO L858 garLoopResultBuilder]: For program point L105-2(lines 105 115) no Hoare annotation was computed. [2021-11-19 15:00:06,164 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 102) no Hoare annotation was computed. [2021-11-19 15:00:06,164 INFO L858 garLoopResultBuilder]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2021-11-19 15:00:06,165 INFO L861 garLoopResultBuilder]: At program point L134-2(lines 134 138) the Hoare annotation is: true [2021-11-19 15:00:06,165 INFO L858 garLoopResultBuilder]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-11-19 15:00:06,169 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 15:00:06,171 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 15:00:06,207 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,209 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,209 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,209 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,219 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,219 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,220 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,220 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 03:00:06 BoogieIcfgContainer [2021-11-19 15:00:06,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 15:00:06,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 15:00:06,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 15:00:06,225 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 15:00:06,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:14" (3/4) ... [2021-11-19 15:00:06,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 15:00:06,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-19 15:00:06,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-19 15:00:06,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-19 15:00:06,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-19 15:00:06,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2021-11-19 15:00:06,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-19 15:00:06,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 15:00:06,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 15:00:06,326 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 [2021-11-19 15:00:06,327 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 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result [2021-11-19 15:00:06,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___kernel_cosf_~ix~6_17 : bv32 :: \old(x) == ~fp~LONGDOUBLE(v___kernel_cosf_~ix~6_17[31:31], v___kernel_cosf_~ix~6_17[30:23], v___kernel_cosf_~ix~6_17[22:0]) && !~bvslt32(~bvand32(2147483647bv32, v___kernel_cosf_~ix~6_17), 838860800bv32)) || !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) [2021-11-19 15:00:06,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 15:00:06,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 15:00:06,728 INFO L158 Benchmark]: Toolchain (without parser) took 89678.46ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 48.0MB in the beginning and 50.2MB in the end (delta: -2.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2021-11-19 15:00:06,728 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:00:06,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.96ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 48.0MB in the end (delta: -226.0kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-19 15:00:06,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.52ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 40.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 15:00:06,730 INFO L158 Benchmark]: Boogie Preprocessor took 192.02ms. Allocated memory is still 69.2MB. Free memory was 40.8MB in the beginning and 33.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 15:00:06,731 INFO L158 Benchmark]: RCFGBuilder took 36285.80ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 33.6MB in the beginning and 68.5MB in the end (delta: -34.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-19 15:00:06,731 INFO L158 Benchmark]: TraceAbstraction took 51836.76ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 41.5MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-19 15:00:06,732 INFO L158 Benchmark]: Witness Printer took 502.35ms. Allocated memory is still 102.8MB. Free memory was 41.5MB in the beginning and 50.2MB in the end (delta: -8.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-19 15:00:06,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.96ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 48.0MB in the end (delta: -226.0kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.52ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 40.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 192.02ms. Allocated memory is still 69.2MB. Free memory was 40.8MB in the beginning and 33.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 36285.80ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 33.6MB in the beginning and 68.5MB in the end (delta: -34.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 51836.76ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 41.5MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 502.35ms. Allocated memory is still 102.8MB. Free memory was 41.5MB in the beginning and 50.2MB in the end (delta: -8.7MB). Peak memory consumption was 12.8MB. 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_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,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: 51.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 32.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 732 SdHoareTripleChecker+Invalid, 31.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 41 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 430 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 148 PreInvPairs, 155 NumberOfFragments, 133 HoareAnnotationTreeSize, 148 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 29 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 20 QuantifiedInterpolants, 899 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1814 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result - 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: 601]: Loop Invariant Derived loop invariant: 1 - 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: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos - 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 [2021-11-19 15:00:06,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,772 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-19 15:00:06,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] Derived loop invariant: (\exists v___kernel_cosf_~ix~6_17 : bv32 :: \old(x) == ~fp~LONGDOUBLE(v___kernel_cosf_~ix~6_17[31:31], v___kernel_cosf_~ix~6_17[30:23], v___kernel_cosf_~ix~6_17[22:0]) && !~bvslt32(~bvand32(2147483647bv32, v___kernel_cosf_~ix~6_17), 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: 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! [2021-11-19 15:00:06,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5816a2-1cfe-457e-b955-4deca05d640d/bin/utaipan-UbGMyvGFUs/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