./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:07:47,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:07:47,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:07:47,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:07:47,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:07:47,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:07:47,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:07:47,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:07:47,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:07:47,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:07:47,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:07:47,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:07:47,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:07:47,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:07:47,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:07:47,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:07:47,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:07:47,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:07:47,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:07:47,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:07:47,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:07:47,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:07:47,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:07:47,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:07:47,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:07:47,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:07:47,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:07:47,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:07:47,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:07:47,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:07:47,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:07:47,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:07:47,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:07:47,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:07:47,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:07:47,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:07:47,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:07:47,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:07:47,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:07:47,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:07:47,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:07:47,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 04:07:47,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:07:47,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:07:47,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:07:47,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:07:47,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:07:47,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:07:47,461 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:07:47,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:07:47,461 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:07:47,462 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:07:47,463 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:07:47,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:07:47,464 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:07:47,464 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:07:47,465 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:07:47,465 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:07:47,465 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:07:47,466 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:07:47,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:07:47,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:07:47,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:07:47,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:07:47,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:07:47,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:07:47,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:07:47,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:07:47,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:07:47,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:07:47,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:07:47,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:07:47,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:07:47,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:07:47,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:07:47,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:07:47,475 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:07:47,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:07:47,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:07:47,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:07:47,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:07:47,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:07:47,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:07:47,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 [2022-11-03 04:07:47,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:07:47,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:07:47,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:07:47,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:07:47,848 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:07:47,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2022-11-03 04:07:47,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/8b7049e4c/c2ddab7235824622b47a628492e8ff86/FLAG316e4d4e4 [2022-11-03 04:07:48,549 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:07:48,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2022-11-03 04:07:48,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/8b7049e4c/c2ddab7235824622b47a628492e8ff86/FLAG316e4d4e4 [2022-11-03 04:07:48,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/8b7049e4c/c2ddab7235824622b47a628492e8ff86 [2022-11-03 04:07:48,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:07:48,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:07:48,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:07:48,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:07:48,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:07:48,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:48" (1/1) ... [2022-11-03 04:07:48,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fd9a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:48, skipping insertion in model container [2022-11-03 04:07:48,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:48" (1/1) ... [2022-11-03 04:07:48,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:07:48,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:07:49,235 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_a5963e22-5673-4057-b7da-2224405424f4/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2022-11-03 04:07:49,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:07:49,249 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:07:49,292 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_a5963e22-5673-4057-b7da-2224405424f4/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2022-11-03 04:07:49,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:07:49,310 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:07:49,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49 WrapperNode [2022-11-03 04:07:49,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:07:49,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:07:49,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:07:49,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:07:49,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,379 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2022-11-03 04:07:49,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:07:49,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:07:49,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:07:49,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:07:49,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,454 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:07:49,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:07:49,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:07:49,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:07:49,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (1/1) ... [2022-11-03 04:07:49,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:07:49,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:07:49,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:07:49,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:07:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:07:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:07:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:07:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 04:07:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:07:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-03 04:07:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-03 04:07:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-03 04:07:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:07:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:07:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:07:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-03 04:07:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-03 04:07:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-03 04:07:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:07:49,740 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:07:49,742 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:07:50,444 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:07:50,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:07:50,534 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-03 04:07:50,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:07:50 BoogieIcfgContainer [2022-11-03 04:07:50,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:07:50,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:07:50,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:07:50,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:07:50,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:07:48" (1/3) ... [2022-11-03 04:07:50,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535ebb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:07:50, skipping insertion in model container [2022-11-03 04:07:50,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:49" (2/3) ... [2022-11-03 04:07:50,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535ebb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:07:50, skipping insertion in model container [2022-11-03 04:07:50,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:07:50" (3/3) ... [2022-11-03 04:07:50,548 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2022-11-03 04:07:50,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:07:50,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:07:50,633 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:07:50,641 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2caa6bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:07:50,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:07:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 62 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:07:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 04:07:50,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:50,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:50,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:07:50,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:50,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1923224870, now seen corresponding path program 1 times [2022-11-03 04:07:50,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:50,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213026792] [2022-11-03 04:07:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:50,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:07:50,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:50,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213026792] [2022-11-03 04:07:50,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213026792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:50,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:50,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 04:07:50,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063817655] [2022-11-03 04:07:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:50,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 04:07:50,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:50,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 04:07:50,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 04:07:50,975 INFO L87 Difference]: Start difference. First operand has 69 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 62 states have internal predecessors, (104), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:07:51,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:51,070 INFO L93 Difference]: Finished difference Result 136 states and 225 transitions. [2022-11-03 04:07:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 04:07:51,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 04:07:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:51,091 INFO L225 Difference]: With dead ends: 136 [2022-11-03 04:07:51,091 INFO L226 Difference]: Without dead ends: 66 [2022-11-03 04:07:51,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 04:07:51,103 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:51,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:07:51,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-03 04:07:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-03 04:07:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:07:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2022-11-03 04:07:51,175 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 10 [2022-11-03 04:07:51,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:07:51,176 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2022-11-03 04:07:51,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:07:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2022-11-03 04:07:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 04:07:51,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:51,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:07:51,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:07:51,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:07:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:51,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1412060079, now seen corresponding path program 1 times [2022-11-03 04:07:51,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:51,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470968555] [2022-11-03 04:07:51,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:51,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 04:07:51,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 04:07:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 04:07:51,419 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 04:07:51,419 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 04:07:51,422 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 04:07:51,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:07:51,436 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 04:07:51,440 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 04:07:51,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:07:51 BoogieIcfgContainer [2022-11-03 04:07:51,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 04:07:51,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 04:07:51,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 04:07:51,512 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 04:07:51,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:07:50" (3/4) ... [2022-11-03 04:07:51,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 04:07:51,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 04:07:51,526 INFO L158 Benchmark]: Toolchain (without parser) took 2639.29ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 73.5MB in the beginning and 105.0MB in the end (delta: -31.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:07:51,528 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:07:51,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.75ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 77.6MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 04:07:51,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.28ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 75.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:07:51,535 INFO L158 Benchmark]: Boogie Preprocessor took 94.22ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:07:51,536 INFO L158 Benchmark]: RCFGBuilder took 1061.50ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 72.5MB in the beginning and 101.7MB in the end (delta: -29.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-11-03 04:07:51,536 INFO L158 Benchmark]: TraceAbstraction took 970.84ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 105.0MB in the end (delta: -3.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-03 04:07:51,537 INFO L158 Benchmark]: Witness Printer took 13.28ms. Allocated memory is still 138.4MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:07:51,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.75ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 77.6MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.28ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 75.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.22ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1061.50ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 72.5MB in the beginning and 101.7MB in the end (delta: -29.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 970.84ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 105.0MB in the end (delta: -3.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 13.28ms. Allocated memory is still 138.4MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 230]: 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 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 218, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [L227] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000012, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000012, y=1000000000000000000000000000010, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000012, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=10, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000012, y=1000000000000000000000000000010, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000012, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=10, hy=-1, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000012, y=1000000000000000000000000000010, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000012, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=10, hy=-1, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000012, y=1000000000000000000000000000010, zero_atan2=0] [L227] RET, EXPR __ieee754_atan2f(y, x) [L227] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000011, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000012, y=1000000000000000000000000000010, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000011, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000012, y=1000000000000000000000000000010, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 84 mSDtfsCounter, 13 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=69occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 04:07:51,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:07:54,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:07:54,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:07:54,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:07:54,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:07:54,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:07:54,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:07:54,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:07:54,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:07:54,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:07:54,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:07:54,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:07:54,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:07:54,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:07:54,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:07:54,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:07:54,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:07:54,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:07:54,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:07:54,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:07:54,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:07:54,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:07:54,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:07:54,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:07:54,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:07:54,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:07:54,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:07:54,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:07:54,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:07:54,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:07:54,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:07:54,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:07:54,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:07:54,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:07:54,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:07:54,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:07:54,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:07:54,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:07:54,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:07:54,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:07:54,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:07:54,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 04:07:54,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:07:54,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:07:54,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:07:54,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:07:54,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:07:54,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:07:54,458 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:07:54,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:07:54,459 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:07:54,459 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:07:54,461 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:07:54,461 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:07:54,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:07:54,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:07:54,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:07:54,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:07:54,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:07:54,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:07:54,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:07:54,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:07:54,466 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 04:07:54,466 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 04:07:54,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:07:54,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:07:54,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:07:54,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:07:54,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:07:54,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 04:07:54,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:07:54,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:07:54,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:07:54,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:07:54,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:07:54,471 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 04:07:54,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 04:07:54,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:07:54,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:07:54,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 04:07:54,473 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_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974941280070b0df19c92139e864cecab97de11071e42f81feb8ef4fd447499 [2022-11-03 04:07:54,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:07:54,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:07:54,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:07:54,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:07:54,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:07:54,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2022-11-03 04:07:55,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/c596be6e5/3f3f23fc34564b999997a91a9bbde150/FLAGe0ab7e29c [2022-11-03 04:07:55,648 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:07:55,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c [2022-11-03 04:07:55,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/c596be6e5/3f3f23fc34564b999997a91a9bbde150/FLAGe0ab7e29c [2022-11-03 04:07:55,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/data/c596be6e5/3f3f23fc34564b999997a91a9bbde150 [2022-11-03 04:07:55,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:07:55,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:07:55,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:07:55,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:07:55,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:07:55,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:55" (1/1) ... [2022-11-03 04:07:55,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5147897f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:55, skipping insertion in model container [2022-11-03 04:07:55,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:55" (1/1) ... [2022-11-03 04:07:55,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:07:56,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:07:56,397 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_a5963e22-5673-4057-b7da-2224405424f4/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2022-11-03 04:07:56,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:07:56,430 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:07:56,517 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_a5963e22-5673-4057-b7da-2224405424f4/sv-benchmarks/c/float-newlib/float_req_bl_0662a.c[5280,5293] [2022-11-03 04:07:56,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:07:56,559 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:07:56,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56 WrapperNode [2022-11-03 04:07:56,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:07:56,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:07:56,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:07:56,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:07:56,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,650 INFO L138 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 219 [2022-11-03 04:07:56,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:07:56,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:07:56,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:07:56,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:07:56,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:07:56,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:07:56,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:07:56,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:07:56,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (1/1) ... [2022-11-03 04:07:56,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:07:56,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:07:56,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:07:56,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:07:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:07:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-03 04:07:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 04:07:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:07:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-03 04:07:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-03 04:07:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-03 04:07:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 04:07:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:07:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:07:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-03 04:07:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-03 04:07:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-03 04:07:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 04:07:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:07:56,979 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:07:56,981 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:08:06,454 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:08:06,462 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:08:06,463 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-03 04:08:06,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:06 BoogieIcfgContainer [2022-11-03 04:08:06,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:08:06,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:08:06,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:08:06,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:08:06,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:07:55" (1/3) ... [2022-11-03 04:08:06,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbe2605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:06, skipping insertion in model container [2022-11-03 04:08:06,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:56" (2/3) ... [2022-11-03 04:08:06,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbe2605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:06, skipping insertion in model container [2022-11-03 04:08:06,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:06" (3/3) ... [2022-11-03 04:08:06,476 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662a.c [2022-11-03 04:08:06,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:08:06,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:08:06,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:08:06,569 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3dbf229e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:08:06,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:08:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:08:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 04:08:06,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:06,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:06,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:06,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:06,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1457381495, now seen corresponding path program 1 times [2022-11-03 04:08:06,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:08:06,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988029030] [2022-11-03 04:08:06,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:08:06,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:08:06,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:08:06,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 04:08:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:07,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 04:08:07,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:07,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:07,809 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:08:07,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988029030] [2022-11-03 04:08:07,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988029030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:07,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:07,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 04:08:07,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7801995] [2022-11-03 04:08:07,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:07,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 04:08:07,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:08:07,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 04:08:07,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 04:08:07,846 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6547619047619047) internal successors, (139), 85 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:07,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:07,880 INFO L93 Difference]: Finished difference Result 181 states and 294 transitions. [2022-11-03 04:08:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 04:08:07,882 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 04:08:07,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:07,891 INFO L225 Difference]: With dead ends: 181 [2022-11-03 04:08:07,892 INFO L226 Difference]: Without dead ends: 88 [2022-11-03 04:08:07,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 04:08:07,899 INFO L413 NwaCegarLoop]: 132 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, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:07,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:08:07,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-03 04:08:07,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-03 04:08:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4691358024691359) internal successors, (119), 81 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:08:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2022-11-03 04:08:07,950 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 11 [2022-11-03 04:08:07,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:07,951 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2022-11-03 04:08:07,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2022-11-03 04:08:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 04:08:07,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:07,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:07,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:08,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:08:08,172 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:08,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:08,173 INFO L85 PathProgramCache]: Analyzing trace with hash 413175488, now seen corresponding path program 1 times [2022-11-03 04:08:08,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:08:08,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944600311] [2022-11-03 04:08:08,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:08,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:08:08,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:08:08,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:08:08,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 04:08:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:09,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 04:08:09,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:09,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 04:08:10,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-11-03 04:08:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:14,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:14,570 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:08:14,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944600311] [2022-11-03 04:08:14,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944600311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:14,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:14,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 04:08:14,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532321536] [2022-11-03 04:08:14,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:14,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 04:08:14,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:08:14,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 04:08:14,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=41, Unknown=2, NotChecked=0, Total=56 [2022-11-03 04:08:14,575 INFO L87 Difference]: Start difference. First operand 88 states and 127 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:16,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:16,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:16,081 INFO L93 Difference]: Finished difference Result 92 states and 130 transitions. [2022-11-03 04:08:16,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 04:08:16,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-03 04:08:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:16,120 INFO L225 Difference]: With dead ends: 92 [2022-11-03 04:08:16,120 INFO L226 Difference]: Without dead ends: 88 [2022-11-03 04:08:16,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=23, Invalid=65, Unknown=2, NotChecked=0, Total=90 [2022-11-03 04:08:16,123 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 5 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:16,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 776 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 67 Unchecked, 1.2s Time] [2022-11-03 04:08:16,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-03 04:08:16,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-03 04:08:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:08:16,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2022-11-03 04:08:16,139 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 13 [2022-11-03 04:08:16,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:16,139 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2022-11-03 04:08:16,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2022-11-03 04:08:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 04:08:16,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:16,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:16,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:16,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:08:16,356 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:16,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:16,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2003357637, now seen corresponding path program 1 times [2022-11-03 04:08:16,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:08:16,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057531659] [2022-11-03 04:08:16,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:16,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:08:16,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:08:16,359 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:08:16,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 04:08:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:17,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 04:08:17,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:19,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:19,069 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:08:19,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057531659] [2022-11-03 04:08:19,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057531659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:19,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:19,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:08:19,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819640097] [2022-11-03 04:08:19,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:19,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:08:19,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:08:19,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:08:19,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:08:19,072 INFO L87 Difference]: Start difference. First operand 88 states and 126 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:23,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:27,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:29,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:31,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:33,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:35,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:38,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:40,758 WARN L539 Checker$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 [] [2022-11-03 04:08:40,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:40,992 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2022-11-03 04:08:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:08:40,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 04:08:40,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:40,996 INFO L225 Difference]: With dead ends: 96 [2022-11-03 04:08:40,997 INFO L226 Difference]: Without dead ends: 91 [2022-11-03 04:08:40,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 04:08:40,999 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:41,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 355 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 5 Unknown, 0 Unchecked, 20.6s Time] [2022-11-03 04:08:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-03 04:08:41,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2022-11-03 04:08:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4444444444444444) internal successors, (117), 81 states have internal predecessors, (117), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:08:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 125 transitions. [2022-11-03 04:08:41,015 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 125 transitions. Word has length 18 [2022-11-03 04:08:41,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:41,015 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 125 transitions. [2022-11-03 04:08:41,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2022-11-03 04:08:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 04:08:41,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:41,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:41,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:41,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:08:41,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:41,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:41,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2001510595, now seen corresponding path program 1 times [2022-11-03 04:08:41,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:08:41,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103643343] [2022-11-03 04:08:41,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:41,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:08:41,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:08:41,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:08:41,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 04:08:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:42,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 04:08:42,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:42,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:42,500 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:08:42,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103643343] [2022-11-03 04:08:42,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103643343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:42,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:42,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:42,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943226941] [2022-11-03 04:08:42,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:42,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:42,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:08:42,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:42,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:42,502 INFO L87 Difference]: Start difference. First operand 88 states and 125 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:43,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:44,015 INFO L93 Difference]: Finished difference Result 93 states and 129 transitions. [2022-11-03 04:08:44,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:44,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 04:08:44,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:44,017 INFO L225 Difference]: With dead ends: 93 [2022-11-03 04:08:44,017 INFO L226 Difference]: Without dead ends: 86 [2022-11-03 04:08:44,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:44,018 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 133 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:44,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 206 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 04:08:44,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-03 04:08:44,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-03 04:08:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 79 states have internal predecessors, (113), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:08:44,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 121 transitions. [2022-11-03 04:08:44,029 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 121 transitions. Word has length 18 [2022-11-03 04:08:44,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:44,030 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 121 transitions. [2022-11-03 04:08:44,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2022-11-03 04:08:44,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 04:08:44,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:44,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:44,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:44,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:08:44,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:44,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:44,236 INFO L85 PathProgramCache]: Analyzing trace with hash -106452547, now seen corresponding path program 1 times [2022-11-03 04:08:44,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:08:44,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593918049] [2022-11-03 04:08:44,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:44,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:08:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:08:44,238 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:08:44,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 04:08:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:45,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 04:08:45,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:45,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:45,732 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:08:45,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593918049] [2022-11-03 04:08:45,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593918049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:45,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:45,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:08:45,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853472650] [2022-11-03 04:08:45,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:45,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:08:45,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:08:45,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:08:45,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:45,735 INFO L87 Difference]: Start difference. First operand 86 states and 121 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:47,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:47,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:47,201 INFO L93 Difference]: Finished difference Result 156 states and 218 transitions. [2022-11-03 04:08:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:08:47,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-03 04:08:47,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:47,239 INFO L225 Difference]: With dead ends: 156 [2022-11-03 04:08:47,239 INFO L226 Difference]: Without dead ends: 84 [2022-11-03 04:08:47,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:08:47,240 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 9 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:47,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 413 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 10 Unchecked, 1.3s Time] [2022-11-03 04:08:47,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-03 04:08:47,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2022-11-03 04:08:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 04:08:47,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 110 transitions. [2022-11-03 04:08:47,257 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 110 transitions. Word has length 18 [2022-11-03 04:08:47,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:47,258 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 110 transitions. [2022-11-03 04:08:47,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2022-11-03 04:08:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 04:08:47,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:47,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:47,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:47,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:08:47,484 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:47,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:47,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1979434587, now seen corresponding path program 1 times [2022-11-03 04:08:47,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:08:47,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437541009] [2022-11-03 04:08:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:47,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:08:47,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:08:47,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:08:47,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 04:08:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:48,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 04:08:48,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:48,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:48,947 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:08:48,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437541009] [2022-11-03 04:08:48,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437541009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:48,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:48,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:08:48,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403245351] [2022-11-03 04:08:48,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:48,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:08:48,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:08:48,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:08:48,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:08:48,950 INFO L87 Difference]: Start difference. First operand 80 states and 110 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:49,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:49,232 INFO L93 Difference]: Finished difference Result 114 states and 153 transitions. [2022-11-03 04:08:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:08:49,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-11-03 04:08:49,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:49,233 INFO L225 Difference]: With dead ends: 114 [2022-11-03 04:08:49,233 INFO L226 Difference]: Without dead ends: 47 [2022-11-03 04:08:49,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-03 04:08:49,235 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 22 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:49,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 249 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-11-03 04:08:49,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-03 04:08:49,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-03 04:08:49,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 04:08:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2022-11-03 04:08:49,243 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 19 [2022-11-03 04:08:49,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:49,244 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2022-11-03 04:08:49,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-03 04:08:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 04:08:49,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:49,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:49,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:49,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:08:49,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:49,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:49,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1298567107, now seen corresponding path program 1 times [2022-11-03 04:08:49,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:08:49,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21936044] [2022-11-03 04:08:49,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:49,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:08:49,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:08:49,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:08:49,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 04:08:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:50,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 04:08:50,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:50,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:08:50,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:50,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:08:50,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21936044] [2022-11-03 04:08:50,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21936044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:50,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:50,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:08:50,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790595984] [2022-11-03 04:08:50,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:50,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:08:50,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:08:50,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:08:50,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:50,701 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:08:50,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:50,883 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2022-11-03 04:08:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 04:08:50,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-03 04:08:50,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:50,884 INFO L225 Difference]: With dead ends: 47 [2022-11-03 04:08:50,884 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 04:08:50,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:08:50,885 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:50,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:08:50,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 04:08:50,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 04:08:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 04:08:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 04:08:50,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-03 04:08:50,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:50,887 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 04:08:50,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 04:08:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 04:08:50,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 04:08:50,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 04:08:50,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:51,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:08:51,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 04:08:51,683 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2022-11-03 04:08:51,683 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2022-11-03 04:08:51,683 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2022-11-03 04:08:51,683 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2022-11-03 04:08:51,683 INFO L902 garLoopResultBuilder]: At program point L21-1(lines 14 27) the Hoare annotation is: true [2022-11-03 04:08:51,684 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2022-11-03 04:08:51,684 INFO L899 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2022-11-03 04:08:51,684 INFO L902 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2022-11-03 04:08:51,684 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-03 04:08:51,684 INFO L899 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2022-11-03 04:08:51,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 04:08:51,684 INFO L902 garLoopResultBuilder]: At program point L235(lines 217 236) the Hoare annotation is: true [2022-11-03 04:08:51,684 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2022-11-03 04:08:51,684 INFO L895 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res#1|)) [2022-11-03 04:08:51,684 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L895 garLoopResultBuilder]: At program point L203-1(lines 196 208) the Hoare annotation is: false [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-03 04:08:51,685 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L895 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= .cse0 |ULTIMATE.start___ieee754_atan2f_~x#1|) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24)))) [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2022-11-03 04:08:51,686 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L895 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 233) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2022-11-03 04:08:51,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-03 04:08:51,688 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2022-11-03 04:08:51,689 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) .cse0) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) .cse1) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) .cse0)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= .cse0 |ULTIMATE.start___ieee754_atan2f_~x#1|) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24)))) [2022-11-03 04:08:51,689 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2022-11-03 04:08:51,689 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2022-11-03 04:08:51,689 INFO L899 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2022-11-03 04:08:51,689 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-03 04:08:51,689 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 230) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L902 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-03 04:08:51,690 INFO L902 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2022-11-03 04:08:51,691 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-03 04:08:51,691 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2022-11-03 04:08:51,691 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-11-03 04:08:51,691 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2022-11-03 04:08:51,691 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2022-11-03 04:08:51,702 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2022-11-03 04:08:51,703 INFO L899 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2022-11-03 04:08:51,703 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2022-11-03 04:08:51,703 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2022-11-03 04:08:51,705 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2022-11-03 04:08:51,705 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-03 04:08:51,705 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2022-11-03 04:08:51,706 INFO L899 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2022-11-03 04:08:51,706 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2022-11-03 04:08:51,706 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2022-11-03 04:08:51,706 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2022-11-03 04:08:51,709 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:51,711 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 04:08:51,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,730 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,745 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,747 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,754 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:08:51 BoogieIcfgContainer [2022-11-03 04:08:51,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 04:08:51,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 04:08:51,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 04:08:51,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 04:08:51,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:06" (3/4) ... [2022-11-03 04:08:51,763 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 04:08:51,770 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-11-03 04:08:51,770 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2022-11-03 04:08:51,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-03 04:08:51,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 04:08:51,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 04:08:51,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 04:08:51,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2022-11-03 04:08:51,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result [2022-11-03 04:08:51,876 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 04:08:51,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 04:08:51,877 INFO L158 Benchmark]: Toolchain (without parser) took 55922.96ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 69.9MB in the end (delta: -20.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2022-11-03 04:08:51,878 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:08:51,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.83ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 04:08:51,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.48ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 45.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:08:51,879 INFO L158 Benchmark]: Boogie Preprocessor took 99.81ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 42.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:08:51,879 INFO L158 Benchmark]: RCFGBuilder took 9704.54ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 34.8MB in the end (delta: 7.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-03 04:08:51,880 INFO L158 Benchmark]: TraceAbstraction took 45290.20ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 34.2MB in the beginning and 37.7MB in the end (delta: -3.5MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-11-03 04:08:51,881 INFO L158 Benchmark]: Witness Printer took 117.40ms. Allocated memory is still 94.4MB. Free memory was 37.7MB in the beginning and 69.9MB in the end (delta: -32.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-03 04:08:51,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.83ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.48ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 45.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.81ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 42.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9704.54ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 34.8MB in the end (delta: 7.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 45290.20ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 34.2MB in the beginning and 37.7MB in the end (delta: -3.5MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 117.40ms. Allocated memory is still 94.4MB. Free memory was 37.7MB in the beginning and 69.9MB in the end (delta: -32.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 24.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 290 mSDsluCounter, 2143 SdHoareTripleChecker+Invalid, 23.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 82 IncrementalHoareTripleChecker+Unchecked, 1506 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 637 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 45 PreInvPairs, 49 NumberOfFragments, 142 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.5s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 114 ConstructedInterpolants, 16 QuantifiedInterpolants, 926 SizeOfPredicates, 38 NumberOfNonLiveVariables, 820 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant [2022-11-03 04:08:51,895 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,895 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 120]: Loop Invariant [2022-11-03 04:08:51,896 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,896 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,896 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,896 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,897 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,897 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,897 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,897 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2022-11-03 04:08:51,898 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,899 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,899 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,899 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,899 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 04:08:51,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,900 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-03 04:08:51,901 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-03 04:08:52,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5963e22-5673-4057-b7da-2224405424f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE