./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:20:16,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:20:16,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:20:16,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:20:16,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:20:16,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:20:16,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:20:16,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:20:16,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:20:16,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:20:16,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:20:16,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:20:16,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:20:16,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:20:16,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:20:16,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:20:16,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:20:16,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:20:16,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:20:16,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:20:16,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:20:16,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:20:16,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:20:16,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:20:16,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:20:16,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:20:16,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:20:16,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:20:16,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:20:16,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:20:16,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:20:16,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:20:16,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:20:16,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:20:16,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:20:16,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:20:16,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:20:16,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:20:16,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:20:16,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:20:16,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:20:16,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:20:16,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:20:16,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:20:16,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:20:16,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:20:16,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:20:16,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:20:16,339 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:20:16,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:20:16,339 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:20:16,340 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:20:16,340 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:20:16,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:20:16,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:20:16,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:20:16,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:20:16,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:20:16,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:20:16,341 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:20:16,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:20:16,342 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:20:16,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:20:16,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:20:16,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:20:16,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:20:16,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:20:16,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:20:16,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:20:16,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:20:16,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:20:16,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:20:16,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:20:16,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:20:16,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:16,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:20:16,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:20:16,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:20:16,346 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:20:16,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:20:16,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:20:16,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:20:16,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:20:16,347 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 [2021-11-25 18:20:16,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:20:16,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:20:16,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:20:16,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:20:16,633 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:20:16,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-25 18:20:16,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/0040bd202/10a34ee8ad3944728b5cac7322f4afbc/FLAGd7a97f20c [2021-11-25 18:20:17,168 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:20:17,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-25 18:20:17,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/0040bd202/10a34ee8ad3944728b5cac7322f4afbc/FLAGd7a97f20c [2021-11-25 18:20:17,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/0040bd202/10a34ee8ad3944728b5cac7322f4afbc [2021-11-25 18:20:17,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:20:17,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:20:17,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:17,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:20:17,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:20:17,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:17,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c469564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17, skipping insertion in model container [2021-11-25 18:20:17,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:17,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:20:17,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:20:17,759 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_69691eec-e132-4da6-a58b-78d4257dba8f/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-25 18:20:17,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:17,905 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:20:17,917 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_69691eec-e132-4da6-a58b-78d4257dba8f/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-25 18:20:17,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:17,997 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:20:17,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17 WrapperNode [2021-11-25 18:20:17,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:17,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:17,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:20:17,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:20:18,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,090 INFO L137 Inliner]: procedures = 21, calls = 382, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 405 [2021-11-25 18:20:18,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:18,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:20:18,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:20:18,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:20:18,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:20:18,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:20:18,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:20:18,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:20:18,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (1/1) ... [2021-11-25 18:20:18,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:18,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:18,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:20:18,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:20:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:20:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-25 18:20:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-25 18:20:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:20:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-25 18:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-25 18:20:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-25 18:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-25 18:20:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 18:20:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2021-11-25 18:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2021-11-25 18:20:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:20:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:20:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 18:20:18,312 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:20:18,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:20:18,817 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:20:18,895 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:20:18,895 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:20:18,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:18 BoogieIcfgContainer [2021-11-25 18:20:18,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:20:18,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:20:18,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:20:18,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:20:18,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:17" (1/3) ... [2021-11-25 18:20:18,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3f3810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:18, skipping insertion in model container [2021-11-25 18:20:18,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:17" (2/3) ... [2021-11-25 18:20:18,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3f3810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:18, skipping insertion in model container [2021-11-25 18:20:18,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:18" (3/3) ... [2021-11-25 18:20:18,911 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2021-11-25 18:20:18,917 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:20:18,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:20:18,972 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:20:18,978 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:20:18,978 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:20:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:20:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:20:19,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:19,001 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:19,002 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:19,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:19,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1810588642, now seen corresponding path program 1 times [2021-11-25 18:20:19,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:19,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802872348] [2021-11-25 18:20:19,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:19,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:20:19,289 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 18:20:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:20:19,424 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 18:20:19,426 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 18:20:19,428 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:20:19,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:20:19,436 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 18:20:19,440 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:20:19,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:20:19 BoogieIcfgContainer [2021-11-25 18:20:19,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:20:19,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:20:19,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:20:19,519 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:20:19,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:18" (3/4) ... [2021-11-25 18:20:19,523 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 18:20:19,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:20:19,525 INFO L158 Benchmark]: Toolchain (without parser) took 1977.66ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 90.1MB in the beginning and 80.3MB in the end (delta: 9.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-11-25 18:20:19,525 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:20:19,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.98ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 83.0MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 18:20:19,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.37ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 78.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:20:19,528 INFO L158 Benchmark]: Boogie Preprocessor took 72.91ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 74.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:20:19,533 INFO L158 Benchmark]: RCFGBuilder took 733.96ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 74.8MB in the beginning and 117.4MB in the end (delta: -42.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-25 18:20:19,534 INFO L158 Benchmark]: TraceAbstraction took 615.06ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 81.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-25 18:20:19,535 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 153.1MB. Free memory was 81.0MB in the beginning and 80.3MB in the end (delta: 708.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:20:19,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.98ms. Allocated memory is still 119.5MB. Free memory was 89.8MB in the beginning and 83.0MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.37ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 78.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.91ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 74.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 733.96ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 74.8MB in the beginning and 117.4MB in the end (delta: -42.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * TraceAbstraction took 615.06ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 81.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 153.1MB. Free memory was 81.0MB in the beginning and 80.3MB in the end (delta: 708.4kB). 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: 17]: 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 121, overapproximation of someUnaryDOUBLEoperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 156, overapproximation of to_real at line 122. Possible FailurePath: [L20-L112] 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 }; [L148] double a, aa, r; [L150] a = -360 VAL [T={4:0}] [L150] COND TRUE a <= 360 [L151] aa = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not(aa >= a / 2. && aa <= (a+1.) / 2.) [L15] COND FALSE !(!cond) [L152] RET assume_abort_if_not(aa >= a / 2. && aa <= (a+1.) / 2.) [L154] CALL, EXPR SIN(aa) VAL [\old(x)=2907, T={4:0}] [L142] COND TRUE x<0 VAL [\old(x)=2907, T={4:0}, x=2907] [L142] CALL, EXPR SIN_POS(-x) VAL [T={4:0}] [L136] COND FALSE !(x>180) VAL [\old(x)=2897, T={4:0}, x=2897] [L137] CALL, EXPR SIN_180(x) VAL [\old(x)=2897, T={4:0}] [L130] COND TRUE x<0 VAL [\old(x)=2897, T={4:0}, x=2897] [L130] CALL, EXPR SIN_0_180(-x) VAL [T={4:0}] [L117] double dx, i_dx, v_inf; [L118] double v_sup; [L119] int i; [L120] dx = 2*x [L121] i = dx [L122] i_dx = i [L123] EXPR T[i] [L123] v_inf = T[i] [L124] EXPR T[i+1] [L124] v_sup = T[i+1] [L125] return v_inf + (dx - i_dx) * (v_sup - v_inf); [L130] RET, EXPR SIN_0_180(-x) VAL [\old(x)=2897, SIN_0_180(-x)=2909, T={4:0}, x=2897] [L130] return -SIN_0_180(-x); [L137] RET, EXPR SIN_180(x) VAL [\old(x)=2897, SIN_180(x)=2901, T={4:0}, x=2897] [L137] return SIN_180(x); [L142] RET, EXPR SIN_POS(-x) VAL [\old(x)=2907, SIN_POS(-x)=2901, T={4:0}, x=2907] [L142] return -SIN_POS(-x); [L154] RET, EXPR SIN(aa) VAL [a=2907, SIN(aa)=2902, T={4:0}] [L154] CALL, EXPR SIN(-aa) VAL [T={4:0}] [L142] COND FALSE !(x<0) VAL [\old(x)=2910, T={4:0}, x=2910] [L143] CALL, EXPR SIN_POS(x) VAL [\old(x)=2910, T={4:0}] [L136] COND FALSE !(x>180) VAL [\old(x)=2910, T={4:0}, x=2910] [L137] CALL, EXPR SIN_180(x) VAL [\old(x)=2910, T={4:0}] [L130] COND TRUE x<0 VAL [\old(x)=2910, T={4:0}, x=2910] [L130] CALL, EXPR SIN_0_180(-x) VAL [T={4:0}] [L117] double dx, i_dx, v_inf; [L118] double v_sup; [L119] int i; [L120] dx = 2*x [L121] i = dx [L122] i_dx = i [L123] EXPR T[i] [L123] v_inf = T[i] [L124] EXPR T[i+1] [L124] v_sup = T[i+1] [L125] return v_inf + (dx - i_dx) * (v_sup - v_inf); [L130] RET, EXPR SIN_0_180(-x) VAL [\old(x)=2910, SIN_0_180(-x)=2906, T={4:0}, x=2910] [L130] return -SIN_0_180(-x); [L137] RET, EXPR SIN_180(x) VAL [\old(x)=2910, SIN_180(x)=2904, T={4:0}, x=2910] [L137] return SIN_180(x); [L143] RET, EXPR SIN_POS(x) VAL [\old(x)=2910, SIN_POS(x)=2904, T={4:0}, x=2910] [L143] return SIN_POS(x); [L154] RET, EXPR SIN(-aa) VAL [a=2907, SIN(-aa)=2904, SIN(aa)=2902, T={4:0}] [L154] r = SIN(aa) + SIN(-aa) [L156] CALL __VERIFIER_assert(r >= -0.06 && r <= 0.06) [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, T={4:0}] [L17] reach_error() VAL [\old(cond)=0, cond=0, T={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 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 [2021-11-25 18:20:19,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:20:21,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:20:21,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:20:21,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:20:21,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:20:21,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:20:21,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:20:21,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:20:21,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:20:21,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:20:21,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:20:21,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:20:21,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:20:21,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:20:21,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:20:21,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:20:21,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:20:21,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:20:21,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:20:21,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:20:21,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:20:21,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:20:21,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:20:21,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:20:21,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:20:21,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:20:21,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:20:21,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:20:21,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:20:21,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:20:21,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:20:21,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:20:21,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:20:21,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:20:21,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:20:21,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:20:21,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:20:21,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:20:21,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:20:21,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:20:21,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:20:21,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 18:20:22,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:20:22,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:20:22,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:20:22,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:20:22,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:20:22,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:20:22,021 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:20:22,021 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:20:22,022 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:20:22,022 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:20:22,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:20:22,022 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:20:22,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:20:22,023 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:20:22,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:20:22,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:20:22,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:20:22,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:20:22,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:20:22,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:20:22,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:20:22,025 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:20:22,025 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:20:22,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:20:22,025 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:20:22,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:20:22,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:20:22,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:20:22,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:20:22,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:22,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:20:22,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:20:22,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:20:22,028 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:20:22,028 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:20:22,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:20:22,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:20:22,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:20:22,029 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_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc903c4e042f1a917ff23806dc398a0ae6250449674c68af7855fc8b73da478 [2021-11-25 18:20:22,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:20:22,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:20:22,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:20:22,433 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:20:22,434 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:20:22,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-25 18:20:22,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/407389e1b/6f1fa9919990400cbf15ab46f1315d94/FLAGc2bcf59c6 [2021-11-25 18:20:23,087 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:20:23,090 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2021-11-25 18:20:23,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/407389e1b/6f1fa9919990400cbf15ab46f1315d94/FLAGc2bcf59c6 [2021-11-25 18:20:23,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/data/407389e1b/6f1fa9919990400cbf15ab46f1315d94 [2021-11-25 18:20:23,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:20:23,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:20:23,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:23,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:20:23,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:20:23,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:23" (1/1) ... [2021-11-25 18:20:23,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6143c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:23, skipping insertion in model container [2021-11-25 18:20:23,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:23" (1/1) ... [2021-11-25 18:20:23,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:20:23,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:20:23,636 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_69691eec-e132-4da6-a58b-78d4257dba8f/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-25 18:20:23,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:23,828 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:20:23,849 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_69691eec-e132-4da6-a58b-78d4257dba8f/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c[684,697] [2021-11-25 18:20:23,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:24,023 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:20:24,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24 WrapperNode [2021-11-25 18:20:24,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:24,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:24,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:20:24,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:20:24,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,157 INFO L137 Inliner]: procedures = 22, calls = 382, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 406 [2021-11-25 18:20:24,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:24,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:20:24,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:20:24,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:20:24,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:20:24,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:20:24,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:20:24,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:20:24,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (1/1) ... [2021-11-25 18:20:24,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:24,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:24,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:20:24,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:20:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:20:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-25 18:20:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-25 18:20:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-25 18:20:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 18:20:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-25 18:20:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-25 18:20:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-25 18:20:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-25 18:20:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-25 18:20:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2021-11-25 18:20:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2021-11-25 18:20:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:20:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:20:24,515 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:20:24,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:20:30,272 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:20:30,279 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:20:30,279 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:20:30,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:30 BoogieIcfgContainer [2021-11-25 18:20:30,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:20:30,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:20:30,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:20:30,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:20:30,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:23" (1/3) ... [2021-11-25 18:20:30,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546f8053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:30, skipping insertion in model container [2021-11-25 18:20:30,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:24" (2/3) ... [2021-11-25 18:20:30,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546f8053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:30, skipping insertion in model container [2021-11-25 18:20:30,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:30" (3/3) ... [2021-11-25 18:20:30,291 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2021-11-25 18:20:30,296 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:20:30,297 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:20:30,346 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:20:30,353 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:20:30,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:20:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:20:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:20:30,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:30,378 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:30,379 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:30,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1228543863, now seen corresponding path program 1 times [2021-11-25 18:20:30,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:20:30,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039200197] [2021-11-25 18:20:30,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:30,403 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:20:30,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:20:30,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:20:30,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 18:20:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:34,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 18:20:34,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-25 18:20:34,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:20:34,603 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:20:34,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039200197] [2021-11-25 18:20:34,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039200197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:34,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:34,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:34,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69591622] [2021-11-25 18:20:34,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:34,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:20:34,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:20:34,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:20:34,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:20:34,661 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-25 18:20:34,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:34,682 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2021-11-25 18:20:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:20:34,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2021-11-25 18:20:34,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:34,692 INFO L225 Difference]: With dead ends: 86 [2021-11-25 18:20:34,692 INFO L226 Difference]: Without dead ends: 40 [2021-11-25 18:20:34,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:20:34,699 INFO L933 BasicCegarLoop]: 51 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, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:34,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:20:34,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-25 18:20:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-25 18:20:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 18:20:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2021-11-25 18:20:34,734 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 52 [2021-11-25 18:20:34,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:34,735 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2021-11-25 18:20:34,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-25 18:20:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2021-11-25 18:20:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:20:34,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:34,739 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:34,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-25 18:20:34,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:20:34,940 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:34,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:34,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1021623079, now seen corresponding path program 1 times [2021-11-25 18:20:34,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:20:34,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263991027] [2021-11-25 18:20:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:34,945 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:20:34,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:20:34,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:20:34,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 18:20:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:38,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 18:20:38,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:53,769 WARN L838 $PredicateComparison]: unable to prove that (or (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv1 32))) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (or (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (not (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ((_ to_fp 11 53) c_currentRoundingMode 2.0))))) (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (not (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 2.0)))))))) is different from false [2021-11-25 18:21:05,058 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from true [2021-11-25 18:21:23,672 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from false [2021-11-25 18:21:25,710 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) is different from true [2021-11-25 18:21:36,064 WARN L838 $PredicateComparison]: unable to prove that (and (= c_SIN_~x |c_SIN_#in~x|) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)))))) is different from false [2021-11-25 18:22:01,196 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_SIN_POS_#in~x| c_SIN_POS_~x) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)))))) is different from false [2021-11-25 18:22:39,510 WARN L838 $PredicateComparison]: unable to prove that (and (fp.lt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0)))))) is different from false [2021-11-25 18:23:19,412 WARN L227 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:23:53,101 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |c_ULTIMATE.start_main_~aa~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse0))))) (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse1))))) (fp.lt |c_ULTIMATE.start_main_~aa~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from false [2021-11-25 18:24:22,121 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from false [2021-11-25 18:24:24,163 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from true [2021-11-25 18:24:52,460 WARN L838 $PredicateComparison]: unable to prove that (and (= c_SIN_~x |c_SIN_#in~x|) (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from false [2021-11-25 18:26:16,504 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_SIN_POS_#in~x| c_SIN_POS_~x) (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from false [2021-11-25 18:27:40,616 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) (= |c_SIN_180_#in~x| c_SIN_180_~x)) is different from false [2021-11-25 18:28:09,616 WARN L838 $PredicateComparison]: unable to prove that (and (fp.lt |c_SIN_180_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from false [2021-11-25 18:28:38,665 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_SIN_180_#in~x_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_180_#in~x_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from false [2021-11-25 18:28:40,710 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_SIN_180_#in~x_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_180_#in~x_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from true [2021-11-25 18:30:04,907 WARN L838 $PredicateComparison]: unable to prove that (and (fp.lt |c_SIN_180_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_SIN_180_#in~x_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_180_#in~x_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from false [2021-11-25 18:31:32,296 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_SIN_180_#in~x_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_180_#in~x_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.lt |c_SIN_POS_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) is different from false [2021-11-25 18:33:01,899 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~a~0#1_8| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse0)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_1| (fp.div c_currentRoundingMode |v_ULTIMATE.start_main_~a~0#1_8| .cse0))))) (exists ((|v_SIN_180_#in~x_BEFORE_CALL_2| (_ FloatingPoint 11 53))) (fp.lt |v_SIN_180_#in~x_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~a~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (and (fp.leq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) .cse1)) (fp.geq |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~a~0#1| .cse1)) (fp.lt |v_ULTIMATE.start_main_~aa~0#1_BEFORE_CALL_2| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))))) (fp.lt |c_SIN_#in~x| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) is different from false [2021-11-25 18:33:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 18 not checked. [2021-11-25 18:33:58,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:34:05,779 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:34:05,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263991027] [2021-11-25 18:34:05,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263991027] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:34:05,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [308097896] [2021-11-25 18:34:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:05,782 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-25 18:34:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/cvc4 [2021-11-25 18:34:05,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-25 18:34:05,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-11-25 18:34:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:34:21,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 18:34:21,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:34:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:34:28,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:34:28,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [308097896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:34:28,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:34:28,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 24 [2021-11-25 18:34:28,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006588011] [2021-11-25 18:34:28,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:34:28,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:34:28,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:34:28,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:34:28,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=94, Unknown=25, NotChecked=528, Total=702 [2021-11-25 18:34:28,389 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 5 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2021-11-25 18:34:30,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:32,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:34,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:37,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:39,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:42,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:44,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:46,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:48,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:34:50,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:34:50,614 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2021-11-25 18:34:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:34:50,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 5 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) Word has length 52 [2021-11-25 18:34:50,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:34:50,627 INFO L225 Difference]: With dead ends: 88 [2021-11-25 18:34:50,627 INFO L226 Difference]: Without dead ends: 50 [2021-11-25 18:34:50,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 16 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 73.4s TimeCoverageRelationStatistics Valid=63, Invalid=132, Unknown=25, NotChecked=592, Total=812 [2021-11-25 18:34:50,630 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:34:50,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 193 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 9 Unknown, 0 Unchecked, 22.0s Time] [2021-11-25 18:34:50,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-25 18:34:50,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 45. [2021-11-25 18:34:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2021-11-25 18:34:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2021-11-25 18:34:50,650 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 52 [2021-11-25 18:34:50,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:34:50,651 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2021-11-25 18:34:50,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 5 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2021-11-25 18:34:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-11-25 18:34:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:34:50,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:34:50,654 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:34:50,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:34:50,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:34:51,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:34:51,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:34:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:34:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1353897369, now seen corresponding path program 1 times [2021-11-25 18:34:51,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:34:51,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910178989] [2021-11-25 18:34:51,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:34:51,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:34:51,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:34:51,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:34:51,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69691eec-e132-4da6-a58b-78d4257dba8f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process