./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:12:44,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:12:44,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:12:44,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:12:44,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:12:44,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:12:44,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:12:44,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:12:44,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:12:44,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:12:44,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:12:44,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:12:44,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:12:44,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:12:44,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:12:44,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:12:44,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:12:44,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:12:44,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:12:44,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:12:44,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:12:44,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:12:44,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:12:44,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:12:44,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:12:44,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:12:44,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:12:44,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:12:44,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:12:44,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:12:44,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:12:44,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:12:44,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:12:44,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:12:44,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:12:44,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:12:44,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:12:44,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:12:44,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:12:44,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:12:44,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:12:44,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:12:44,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:12:44,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:12:44,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:12:44,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:12:44,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:12:44,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:12:44,597 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:12:44,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:12:44,598 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:12:44,598 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:12:44,600 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:12:44,600 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:12:44,601 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:12:44,601 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:12:44,601 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:12:44,602 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:12:44,602 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:12:44,602 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:12:44,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:12:44,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:12:44,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:12:44,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:12:44,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:12:44,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:12:44,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:12:44,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:12:44,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:12:44,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:12:44,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:12:44,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:12:44,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:12:44,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:12:44,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:44,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:12:44,610 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:12:44,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:12:44,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:12:44,611 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:12:44,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:12:44,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:12:44,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:12:44,612 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_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2022-11-19 07:12:44,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:12:44,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:12:44,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:12:44,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:12:44,954 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:12:44,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-11-19 07:12:45,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/93a639578/f36405f4e0d740c783c2ed828857d435/FLAG33ee05072 [2022-11-19 07:12:45,685 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:12:45,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-11-19 07:12:45,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/93a639578/f36405f4e0d740c783c2ed828857d435/FLAG33ee05072 [2022-11-19 07:12:45,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/93a639578/f36405f4e0d740c783c2ed828857d435 [2022-11-19 07:12:45,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:12:45,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:12:45,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:46,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:12:46,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:12:46,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:45" (1/1) ... [2022-11-19 07:12:46,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b526f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46, skipping insertion in model container [2022-11-19 07:12:46,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:45" (1/1) ... [2022-11-19 07:12:46,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:12:46,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:12:46,338 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2022-11-19 07:12:46,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:46,517 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:12:46,532 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2022-11-19 07:12:46,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:46,618 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:12:46,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46 WrapperNode [2022-11-19 07:12:46,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:46,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:46,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:12:46,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:12:46,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,736 INFO L138 Inliner]: procedures = 21, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 421 [2022-11-19 07:12:46,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:46,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:12:46,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:12:46,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:12:46,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:12:46,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:12:46,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:12:46,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:12:46,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (1/1) ... [2022-11-19 07:12:46,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:46,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:46,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:12:46,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:12:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:12:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-11-19 07:12:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-11-19 07:12:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:12:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-11-19 07:12:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-11-19 07:12:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-11-19 07:12:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-11-19 07:12:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-19 07:12:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:12:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:12:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-19 07:12:47,147 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:12:47,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:12:47,607 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:12:47,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:12:47,850 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:12:47,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:47 BoogieIcfgContainer [2022-11-19 07:12:47,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:12:47,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:12:47,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:12:47,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:12:47,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:12:45" (1/3) ... [2022-11-19 07:12:47,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4274faa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:47, skipping insertion in model container [2022-11-19 07:12:47,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:46" (2/3) ... [2022-11-19 07:12:47,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4274faa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:47, skipping insertion in model container [2022-11-19 07:12:47,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:47" (3/3) ... [2022-11-19 07:12:47,866 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2022-11-19 07:12:47,886 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:12:47,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:12:47,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:12:47,961 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;@23e557ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:12:47,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:12:47,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:12:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:12:47,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:47,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:47,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:12:47,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:47,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2102464725, now seen corresponding path program 1 times [2022-11-19 07:12:47,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:47,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292085527] [2022-11-19 07:12:47,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:47,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:12:48,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:12:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:12:48,388 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:12:48,391 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:12:48,394 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:12:48,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:12:48,402 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 07:12:48,406 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:12:48,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:12:48 BoogieIcfgContainer [2022-11-19 07:12:48,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:12:48,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:12:48,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:12:48,461 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:12:48,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:47" (3/4) ... [2022-11-19 07:12:48,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:12:48,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:12:48,467 INFO L158 Benchmark]: Toolchain (without parser) took 2473.30ms. Allocated memory is still 125.8MB. Free memory was 97.2MB in the beginning and 53.7MB in the end (delta: 43.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-19 07:12:48,468 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:12:48,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.92ms. Allocated memory is still 125.8MB. Free memory was 96.9MB in the beginning and 92.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:12:48,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.57ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 87.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:12:48,471 INFO L158 Benchmark]: Boogie Preprocessor took 123.13ms. Allocated memory is still 125.8MB. Free memory was 87.8MB in the beginning and 84.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:12:48,477 INFO L158 Benchmark]: RCFGBuilder took 985.79ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 82.1MB in the end (delta: 1.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-19 07:12:48,477 INFO L158 Benchmark]: TraceAbstraction took 598.80ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 54.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-19 07:12:48,479 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 125.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:12:48,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.92ms. Allocated memory is still 125.8MB. Free memory was 96.9MB in the beginning and 92.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.57ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 87.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.13ms. Allocated memory is still 125.8MB. Free memory was 87.8MB in the beginning and 84.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 985.79ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 82.1MB in the end (delta: 1.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * TraceAbstraction took 598.80ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 54.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 125.8MB. Free memory is still 54.3MB. 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: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 122, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of to_real at line 123. Possible FailurePath: [L21-L113] const double T[362] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0, 0 }; [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not(a >= -1e10 && a <= 1e10) [L16] COND FALSE !(!cond) [L155] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) [L157] CALL SIN(a) [L146] COND TRUE x<0 VAL [\old(x)=2901, T={4:0}, x=2901] [L146] CALL SIN_POS(-x) VAL [T={4:0}] [L140] COND TRUE x>180 VAL [\old(x)=2902, T={4:0}, x=2902] [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L134] COND TRUE x<0 VAL [\old(x)=2903, T={4:0}, x=2903] [L134] CALL SIN_0_180(-x) VAL [T={4:0}] [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i [L125] CALL __VERIFIER_assert(i >= 0 && i+1 < sizeof(T)/sizeof(T[0])) [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, T={4:0}] [L18] reach_error() VAL [\old(cond)=0, cond=0, T={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 07:12:48,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:12:51,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:12:51,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:12:51,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:12:51,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:12:51,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:12:51,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:12:51,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:12:51,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:12:51,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:12:51,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:12:51,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:12:51,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:12:51,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:12:51,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:12:51,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:12:51,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:12:51,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:12:51,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:12:51,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:12:51,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:12:51,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:12:51,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:12:51,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:12:51,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:12:51,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:12:51,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:12:51,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:12:51,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:12:51,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:12:51,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:12:51,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:12:51,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:12:51,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:12:51,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:12:51,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:12:51,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:12:51,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:12:51,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:12:51,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:12:51,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:12:51,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 07:12:51,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:12:51,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:12:51,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:12:51,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:12:51,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:12:51,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:12:51,429 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:12:51,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:12:51,430 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:12:51,430 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:12:51,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:12:51,434 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:12:51,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:12:51,437 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:12:51,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:12:51,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:12:51,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:12:51,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:12:51,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:12:51,443 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:12:51,443 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:12:51,443 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:12:51,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:12:51,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:12:51,445 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:12:51,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:12:51,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:12:51,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:12:51,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:12:51,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:51,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:12:51,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:12:51,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:12:51,447 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:12:51,448 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:12:51,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:12:51,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:12:51,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:12:51,449 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_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2022-11-19 07:12:51,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:12:51,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:12:51,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:12:51,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:12:51,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:12:51,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-11-19 07:12:52,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/a78d89ea8/2b0a7bf8cad048d69b6974a03d484cf2/FLAG7bed38f7f [2022-11-19 07:12:52,827 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:12:52,828 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-11-19 07:12:52,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/a78d89ea8/2b0a7bf8cad048d69b6974a03d484cf2/FLAG7bed38f7f [2022-11-19 07:12:53,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/data/a78d89ea8/2b0a7bf8cad048d69b6974a03d484cf2 [2022-11-19 07:12:53,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:12:53,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:12:53,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:53,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:12:53,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:12:53,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d164763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53, skipping insertion in model container [2022-11-19 07:12:53,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:12:53,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:12:53,422 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2022-11-19 07:12:53,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:53,602 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:12:53,627 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c[716,729] [2022-11-19 07:12:53,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:12:53,770 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:12:53,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53 WrapperNode [2022-11-19 07:12:53,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:12:53,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:53,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:12:53,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:12:53,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,873 INFO L138 Inliner]: procedures = 22, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 422 [2022-11-19 07:12:53,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:12:53,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:12:53,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:12:53,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:12:53,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:12:53,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:12:53,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:12:53,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:12:53,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (1/1) ... [2022-11-19 07:12:53,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:12:53,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:12:54,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:12:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:12:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-19 07:12:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-11-19 07:12:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-11-19 07:12:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:12:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-11-19 07:12:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-11-19 07:12:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-11-19 07:12:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-11-19 07:12:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-19 07:12:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:12:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:12:54,193 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:12:54,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:12:58,419 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:12:58,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:12:58,426 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:12:58,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:58 BoogieIcfgContainer [2022-11-19 07:12:58,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:12:58,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:12:58,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:12:58,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:12:58,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:12:53" (1/3) ... [2022-11-19 07:12:58,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5beb6327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:58, skipping insertion in model container [2022-11-19 07:12:58,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:12:53" (2/3) ... [2022-11-19 07:12:58,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5beb6327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:58, skipping insertion in model container [2022-11-19 07:12:58,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:58" (3/3) ... [2022-11-19 07:12:58,440 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2022-11-19 07:12:58,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:12:58,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:12:58,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:12:58,529 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;@6fd4a798, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:12:58,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:12:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:12:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:12:58,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:58,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:58,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:12:58,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:58,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2022-11-19 07:12:58,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:12:58,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015246766] [2022-11-19 07:12:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:58,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:12:58,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:12:58,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:12:58,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6e0bb2-96ed-49a7-bdf1-fc2d45ffc9d9/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 07:27:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:28:05,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-19 07:28:05,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:28:12,046 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-19 07:28:23,281 WARN L837 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_SIN_~x#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.neg |v_ULTIMATE.start_SIN_~x#1_BEFORE_CALL_1|))) (and (= |c_SIN_180_#in~x| (fp.sub c_currentRoundingMode .cse0 (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse1))))))) (fp.geq |v_ULTIMATE.start_SIN_~x#1_BEFORE_CALL_1| (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10000000000.0))) (fp.gt .cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false