./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 310defb7d4438d173ad7d8a4e4405df891f12aa3e0cc7d68496c19fa18644555 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:48:43,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:48:43,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:48:43,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:48:43,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:48:43,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:48:43,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:48:43,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:48:43,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:48:43,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:48:43,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:48:43,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:48:43,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:48:43,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:48:43,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:48:43,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:48:43,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:48:43,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:48:43,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:48:43,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:48:43,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:48:43,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:48:43,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:48:43,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:48:43,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:48:43,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:48:43,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:48:43,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:48:43,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:48:43,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:48:43,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:48:43,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:48:43,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:48:43,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:48:43,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:48:43,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:48:43,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:48:43,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:48:43,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:48:43,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:48:43,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:48:43,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:48:43,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:48:43,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:48:43,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:48:43,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:48:43,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:48:43,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:48:43,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:48:43,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:48:43,572 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:48:43,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:48:43,573 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:48:43,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:48:43,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:48:43,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:48:43,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:48:43,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:48:43,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:48:43,576 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:48:43,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:48:43,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:48:43,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:48:43,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:48:43,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:48:43,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:48:43,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:48:43,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:48:43,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:48:43,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:48:43,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:48:43,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:48:43,580 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:48:43,580 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:48:43,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:48:43,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310defb7d4438d173ad7d8a4e4405df891f12aa3e0cc7d68496c19fa18644555 [2022-11-20 12:48:43,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:48:43,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:48:43,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:48:43,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:48:43,958 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:48:43,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2022-11-20 12:48:47,174 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:48:47,411 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:48:47,412 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2022-11-20 12:48:47,424 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data/7c1a64c3a/197ccdf08df046ce88d15ac688e0b1ff/FLAGf7c8e5b39 [2022-11-20 12:48:47,450 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data/7c1a64c3a/197ccdf08df046ce88d15ac688e0b1ff [2022-11-20 12:48:47,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:48:47,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:48:47,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:48:47,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:48:47,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:48:47,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e2162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47, skipping insertion in model container [2022-11-20 12:48:47,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:48:47,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:48:47,716 WARN L237 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_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c[5276,5289] [2022-11-20 12:48:47,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:48:47,733 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:48:47,780 WARN L237 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_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c[5276,5289] [2022-11-20 12:48:47,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:48:47,799 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:48:47,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47 WrapperNode [2022-11-20 12:48:47,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:48:47,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:48:47,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:48:47,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:48:47,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,851 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 210 [2022-11-20 12:48:47,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:48:47,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:48:47,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:48:47,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:48:47,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:48:47,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:48:47,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:48:47,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:48:47,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (1/1) ... [2022-11-20 12:48:47,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:48:47,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:47,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:47,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:48:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:48:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 12:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-20 12:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-20 12:48:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-20 12:48:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:48:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:48:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:48:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-20 12:48:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-20 12:48:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-20 12:48:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:48:48,161 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:48:48,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:48:48,661 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:48:48,670 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:48:48,670 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-20 12:48:48,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:48:48 BoogieIcfgContainer [2022-11-20 12:48:48,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:48:48,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:48:48,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:48:48,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:48:48,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:48:47" (1/3) ... [2022-11-20 12:48:48,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d093cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:48:48, skipping insertion in model container [2022-11-20 12:48:48,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:47" (2/3) ... [2022-11-20 12:48:48,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d093cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:48:48, skipping insertion in model container [2022-11-20 12:48:48,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:48:48" (3/3) ... [2022-11-20 12:48:48,684 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663b.c [2022-11-20 12:48:48,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:48:48,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:48:48,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:48:48,801 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3bb72f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:48:48,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:48:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:48:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:48:48,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:48:48,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:48:48,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:48:48,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1457367593, now seen corresponding path program 1 times [2022-11-20 12:48:48,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:48,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984420559] [2022-11-20 12:48:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:48,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:48:49,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:48:49,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984420559] [2022-11-20 12:48:49,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984420559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:48:49,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:48:49,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:48:49,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518891387] [2022-11-20 12:48:49,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:48:49,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:48:49,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:48:49,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:48:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:48:49,094 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:48:49,139 INFO L93 Difference]: Finished difference Result 169 states and 276 transitions. [2022-11-20 12:48:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:48:49,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 12:48:49,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:48:49,153 INFO L225 Difference]: With dead ends: 169 [2022-11-20 12:48:49,153 INFO L226 Difference]: Without dead ends: 82 [2022-11-20 12:48:49,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:48:49,162 INFO L413 NwaCegarLoop]: 123 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, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:48:49,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:48:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-20 12:48:49,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-20 12:48:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 75 states have internal predecessors, (110), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:48:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions. [2022-11-20 12:48:49,213 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 11 [2022-11-20 12:48:49,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:48:49,214 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 118 transitions. [2022-11-20 12:48:49,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:48:49,215 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2022-11-20 12:48:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:48:49,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:48:49,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:48:49,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:48:49,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:48:49,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:49,218 INFO L85 PathProgramCache]: Analyzing trace with hash 413161586, now seen corresponding path program 1 times [2022-11-20 12:48:49,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:49,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682889738] [2022-11-20 12:48:49,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:49,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:49,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:48:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:48:49,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:48:49,420 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:48:49,422 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:48:49,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:48:49,428 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 12:48:49,432 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:48:49,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:48:49 BoogieIcfgContainer [2022-11-20 12:48:49,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:48:49,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:48:49,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:48:49,463 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:48:49,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:48:48" (3/4) ... [2022-11-20 12:48:49,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:48:49,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:48:49,469 INFO L158 Benchmark]: Toolchain (without parser) took 2011.62ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 87.4MB in the beginning and 103.3MB in the end (delta: -15.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-20 12:48:49,469 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:48:49,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.21ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 73.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:48:49,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.36ms. Allocated memory is still 130.0MB. Free memory was 73.4MB in the beginning and 71.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:48:49,471 INFO L158 Benchmark]: Boogie Preprocessor took 54.74ms. Allocated memory is still 130.0MB. Free memory was 71.0MB in the beginning and 68.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:48:49,472 INFO L158 Benchmark]: RCFGBuilder took 765.07ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 68.6MB in the beginning and 138.6MB in the end (delta: -70.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-20 12:48:49,472 INFO L158 Benchmark]: TraceAbstraction took 786.24ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 103.3MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 12:48:49,473 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 174.1MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:48:49,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.21ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 73.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.36ms. Allocated memory is still 130.0MB. Free memory was 73.4MB in the beginning and 71.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.74ms. Allocated memory is still 130.0MB. Free memory was 71.0MB in the beginning and 68.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.07ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 68.6MB in the beginning and 138.6MB in the end (delta: -70.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 786.24ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 103.3MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 174.1MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 232]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = 0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y > 0.0f [L228] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=0, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000010, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=0, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000010, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=0, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=2139095041, iy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000010, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=0, \old(y)=1000000000000000000000000000010, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-2, hy=-1, ix=2139095041, iy=-1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000010, zero_atan2=0] [L228] RET, EXPR __ieee754_atan2f(y, x) [L228] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000011, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000010, zero_atan2=0] [L232] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000011, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000010, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 123 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 12:48:49,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 310defb7d4438d173ad7d8a4e4405df891f12aa3e0cc7d68496c19fa18644555 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:48:52,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:48:52,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:48:52,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:48:52,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:48:52,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:48:52,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:48:52,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:48:52,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:48:52,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:48:52,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:48:52,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:48:52,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:48:52,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:48:52,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:48:52,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:48:52,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:48:52,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:48:52,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:48:52,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:48:52,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:48:52,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:48:52,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:48:52,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:48:52,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:48:52,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:48:52,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:48:52,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:48:52,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:48:52,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:48:52,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:48:52,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:48:52,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:48:52,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:48:52,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:48:52,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:48:52,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:48:52,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:48:52,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:48:52,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:48:52,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:48:52,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 12:48:52,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:48:52,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:48:52,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:48:52,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:48:52,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:48:52,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:48:52,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:48:52,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:48:52,246 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:48:52,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:48:52,248 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:48:52,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:48:52,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:48:52,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:48:52,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:48:52,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:48:52,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:48:52,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:48:52,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:48:52,250 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:48:52,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:48:52,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:48:52,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:48:52,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:48:52,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:48:52,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:48:52,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:48:52,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:48:52,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:48:52,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:48:52,253 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:48:52,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:48:52,254 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:48:52,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:48:52,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:48:52,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:48:52,255 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_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310defb7d4438d173ad7d8a4e4405df891f12aa3e0cc7d68496c19fa18644555 [2022-11-20 12:48:52,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:48:52,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:48:52,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:48:52,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:48:52,699 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:48:52,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2022-11-20 12:48:55,826 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:48:56,149 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:48:56,151 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c [2022-11-20 12:48:56,169 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data/f90f52ba9/a4dbb0e4462a4a0e9657f3bcaefe6679/FLAG2e6bb5c43 [2022-11-20 12:48:56,182 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/data/f90f52ba9/a4dbb0e4462a4a0e9657f3bcaefe6679 [2022-11-20 12:48:56,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:48:56,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:48:56,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:48:56,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:48:56,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:48:56,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4915c7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56, skipping insertion in model container [2022-11-20 12:48:56,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:48:56,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:48:56,567 WARN L237 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_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c[5276,5289] [2022-11-20 12:48:56,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:48:56,608 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:48:56,699 WARN L237 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_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/sv-benchmarks/c/float-newlib/float_req_bl_0663b.c[5276,5289] [2022-11-20 12:48:56,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:48:56,738 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:48:56,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56 WrapperNode [2022-11-20 12:48:56,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:48:56,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:48:56,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:48:56,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:48:56,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,806 INFO L138 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 211 [2022-11-20 12:48:56,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:48:56,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:48:56,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:48:56,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:48:56,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:48:56,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:48:56,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:48:56,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:48:56,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (1/1) ... [2022-11-20 12:48:56,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:48:56,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:48:56,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:48:57,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:48:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:48:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-20 12:48:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:48:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:48:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-20 12:48:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-20 12:48:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-20 12:48:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:48:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:48:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:48:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-20 12:48:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-20 12:48:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-20 12:48:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:48:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:48:57,222 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:48:57,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:49:10,317 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:49:10,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:49:10,326 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-20 12:49:10,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:49:10 BoogieIcfgContainer [2022-11-20 12:49:10,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:49:10,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:49:10,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:49:10,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:49:10,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:48:56" (1/3) ... [2022-11-20 12:49:10,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f47b822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:49:10, skipping insertion in model container [2022-11-20 12:49:10,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:48:56" (2/3) ... [2022-11-20 12:49:10,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f47b822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:49:10, skipping insertion in model container [2022-11-20 12:49:10,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:49:10" (3/3) ... [2022-11-20 12:49:10,358 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663b.c [2022-11-20 12:49:10,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:49:10,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:49:10,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:49:10,441 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7be3d521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:49:10,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:49:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:49:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:49:10,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:10,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:10,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:49:10,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:10,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1457367593, now seen corresponding path program 1 times [2022-11-20 12:49:10,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:10,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141412977] [2022-11-20 12:49:10,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:10,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:10,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:10,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:49:10,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:49:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:11,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 12:49:11,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:11,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:11,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:11,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141412977] [2022-11-20 12:49:11,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141412977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:11,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:11,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:49:11,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287592367] [2022-11-20 12:49:11,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:11,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:49:11,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:11,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:49:11,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:49:11,674 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:11,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:11,723 INFO L93 Difference]: Finished difference Result 169 states and 276 transitions. [2022-11-20 12:49:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:49:11,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 12:49:11,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:11,735 INFO L225 Difference]: With dead ends: 169 [2022-11-20 12:49:11,736 INFO L226 Difference]: Without dead ends: 82 [2022-11-20 12:49:11,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:49:11,745 INFO L413 NwaCegarLoop]: 123 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, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:11,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:49:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-20 12:49:11,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-20 12:49:11,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 75 states have internal predecessors, (110), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:49:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions. [2022-11-20 12:49:11,800 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 11 [2022-11-20 12:49:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:11,801 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 118 transitions. [2022-11-20 12:49:11,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2022-11-20 12:49:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:49:11,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:11,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:11,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:12,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:12,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:49:12,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:12,020 INFO L85 PathProgramCache]: Analyzing trace with hash 413161586, now seen corresponding path program 1 times [2022-11-20 12:49:12,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:12,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804105485] [2022-11-20 12:49:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:12,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:12,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:12,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:49:12,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:49:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:13,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 12:49:13,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:13,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 12:49:13,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2022-11-20 12:49:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:14,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:14,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:14,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804105485] [2022-11-20 12:49:14,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804105485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:14,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:14,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 12:49:14,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029769946] [2022-11-20 12:49:14,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:14,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:49:14,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:14,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:49:14,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:49:14,547 INFO L87 Difference]: Start difference. First operand 82 states and 118 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:16,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:16,044 INFO L93 Difference]: Finished difference Result 86 states and 121 transitions. [2022-11-20 12:49:16,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:49:16,082 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-20 12:49:16,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:16,084 INFO L225 Difference]: With dead ends: 86 [2022-11-20 12:49:16,084 INFO L226 Difference]: Without dead ends: 82 [2022-11-20 12:49:16,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:49:16,086 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 5 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 63 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:16,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 717 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 63 Unchecked, 1.1s Time] [2022-11-20 12:49:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-20 12:49:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-20 12:49:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 75 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:49:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 117 transitions. [2022-11-20 12:49:16,099 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 117 transitions. Word has length 13 [2022-11-20 12:49:16,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:16,099 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 117 transitions. [2022-11-20 12:49:16,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2022-11-20 12:49:16,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 12:49:16,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:16,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:16,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:16,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:16,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:49:16,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:16,329 INFO L85 PathProgramCache]: Analyzing trace with hash 512003217, now seen corresponding path program 1 times [2022-11-20 12:49:16,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:16,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269388219] [2022-11-20 12:49:16,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:16,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:16,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:16,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:49:16,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:49:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:17,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:49:17,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:19,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:19,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:19,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269388219] [2022-11-20 12:49:19,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269388219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:19,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:19,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:49:19,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624603244] [2022-11-20 12:49:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:19,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:49:19,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:49:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:49:19,564 INFO L87 Difference]: Start difference. First operand 82 states and 117 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:27,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:30,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:32,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:35,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:36,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:39,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:40,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:40,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:40,936 INFO L93 Difference]: Finished difference Result 89 states and 124 transitions. [2022-11-20 12:49:40,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:49:40,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-20 12:49:40,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:40,941 INFO L225 Difference]: With dead ends: 89 [2022-11-20 12:49:40,941 INFO L226 Difference]: Without dead ends: 85 [2022-11-20 12:49:40,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:49:40,943 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 241 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:40,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 285 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 135 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2022-11-20 12:49:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-20 12:49:40,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2022-11-20 12:49:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:49:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 115 transitions. [2022-11-20 12:49:40,965 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 115 transitions. Word has length 16 [2022-11-20 12:49:40,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:40,965 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 115 transitions. [2022-11-20 12:49:40,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:40,966 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2022-11-20 12:49:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 12:49:40,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:40,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:41,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:41,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:41,187 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:49:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:41,188 INFO L85 PathProgramCache]: Analyzing trace with hash -106466449, now seen corresponding path program 1 times [2022-11-20 12:49:41,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:41,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924753930] [2022-11-20 12:49:41,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:41,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:41,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:41,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:49:41,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:49:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:42,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:49:42,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:42,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:42,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:42,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924753930] [2022-11-20 12:49:42,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924753930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:42,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:42,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:49:42,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219118498] [2022-11-20 12:49:42,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:42,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:49:42,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:49:42,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:49:42,654 INFO L87 Difference]: Start difference. First operand 82 states and 115 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:44,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 12:49:44,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:44,660 INFO L93 Difference]: Finished difference Result 148 states and 206 transitions. [2022-11-20 12:49:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:49:44,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 12:49:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:44,702 INFO L225 Difference]: With dead ends: 148 [2022-11-20 12:49:44,702 INFO L226 Difference]: Without dead ends: 80 [2022-11-20 12:49:44,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:49:44,705 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 9 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:44,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 391 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 9 Unchecked, 1.8s Time] [2022-11-20 12:49:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-20 12:49:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2022-11-20 12:49:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:49:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2022-11-20 12:49:44,717 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 18 [2022-11-20 12:49:44,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:44,718 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2022-11-20 12:49:44,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2022-11-20 12:49:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 12:49:44,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:44,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:44,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:44,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:44,948 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:49:44,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:44,948 INFO L85 PathProgramCache]: Analyzing trace with hash -122335539, now seen corresponding path program 1 times [2022-11-20 12:49:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:44,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734730012] [2022-11-20 12:49:44,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:44,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:44,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:44,950 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:49:44,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:49:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:45,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:49:45,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:46,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:46,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:46,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734730012] [2022-11-20 12:49:46,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734730012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:46,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:46,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:49:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276076970] [2022-11-20 12:49:46,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:46,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:49:46,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:46,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:49:46,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:49:46,628 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:46,914 INFO L93 Difference]: Finished difference Result 108 states and 144 transitions. [2022-11-20 12:49:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:49:46,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 12:49:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:46,916 INFO L225 Difference]: With dead ends: 108 [2022-11-20 12:49:46,916 INFO L226 Difference]: Without dead ends: 45 [2022-11-20 12:49:46,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:49:46,918 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 22 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:46,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 234 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-11-20 12:49:46,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-20 12:49:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-20 12:49:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:49:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2022-11-20 12:49:46,927 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 19 [2022-11-20 12:49:46,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:46,928 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-11-20 12:49:46,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-11-20 12:49:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:49:46,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:49:46,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:49:46,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:47,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:47,147 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:49:47,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:49:47,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1643723130, now seen corresponding path program 1 times [2022-11-20 12:49:47,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:49:47,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955453552] [2022-11-20 12:49:47,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:49:47,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:47,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:49:47,151 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:49:47,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:49:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:49:48,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:49:48,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:49:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:49:48,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:49:48,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:49:48,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955453552] [2022-11-20 12:49:48,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955453552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:49:48,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:49:48,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:49:48,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001233451] [2022-11-20 12:49:48,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:49:48,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:49:48,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:49:48,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:49:48,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:49:48,575 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:49:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:49:48,755 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-11-20 12:49:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:49:48,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-20 12:49:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:49:48,756 INFO L225 Difference]: With dead ends: 45 [2022-11-20 12:49:48,756 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:49:48,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:49:48,758 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:49:48,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:49:48,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:49:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:49:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:49:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:49:48,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-20 12:49:48,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:49:48,760 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:49:48,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:49:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:49:48,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:49:48,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:49:48,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:49:48,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:49:48,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:49:49,681 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2022-11-20 12:49:49,681 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2022-11-20 12:49:49,681 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2022-11-20 12:49:49,681 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2022-11-20 12:49:49,682 INFO L902 garLoopResultBuilder]: At program point L21-1(lines 14 27) the Hoare annotation is: true [2022-11-20 12:49:49,682 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2022-11-20 12:49:49,682 INFO L899 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2022-11-20 12:49:49,682 INFO L902 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2022-11-20 12:49:49,682 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2022-11-20 12:49:49,682 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2022-11-20 12:49:49,682 INFO L895 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2022-11-20 12:49:49,683 INFO L899 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2022-11-20 12:49:49,683 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2022-11-20 12:49:49,683 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 235) no Hoare annotation was computed. [2022-11-20 12:49:49,683 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2022-11-20 12:49:49,683 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-20 12:49:49,684 INFO L899 garLoopResultBuilder]: For program point L226-2(lines 226 235) no Hoare annotation was computed. [2022-11-20 12:49:49,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:49:49,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:49:49,684 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-11-20 12:49:49,684 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-11-20 12:49:49,685 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2022-11-20 12:49:49,685 INFO L899 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2022-11-20 12:49:49,685 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2022-11-20 12:49:49,685 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-20 12:49:49,686 INFO L895 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= |ULTIMATE.start___ieee754_atan2f_#res#1| (fp.add roundNearestTiesToEven ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (fp.gt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24)) (fp.gt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hy~0#1|)) (_ +zero 8 24)) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 12:49:49,686 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-20 12:49:49,686 INFO L902 garLoopResultBuilder]: At program point L236(lines 217 237) the Hoare annotation is: true [2022-11-20 12:49:49,686 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-20 12:49:49,686 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2022-11-20 12:49:49,687 INFO L895 garLoopResultBuilder]: At program point L203-1(lines 196 208) the Hoare annotation is: false [2022-11-20 12:49:49,687 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2022-11-20 12:49:49,687 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2022-11-20 12:49:49,687 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2022-11-20 12:49:49,688 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-20 12:49:49,688 INFO L899 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2022-11-20 12:49:49,688 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2022-11-20 12:49:49,688 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-20 12:49:49,688 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2022-11-20 12:49:49,689 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (_ +zero 8 24)) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_~x#1|) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (fp.gt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24)) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) .cse0) |ULTIMATE.start___ieee754_atan2f_~ix~2#1|)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 12:49:49,689 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2022-11-20 12:49:49,689 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2022-11-20 12:49:49,690 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2022-11-20 12:49:49,690 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-20 12:49:49,690 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-20 12:49:49,690 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:49:49,690 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2022-11-20 12:49:49,690 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2022-11-20 12:49:49,691 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 232) no Hoare annotation was computed. [2022-11-20 12:49:49,691 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-20 12:49:49,691 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 234) no Hoare annotation was computed. [2022-11-20 12:49:49,691 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2022-11-20 12:49:49,691 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2022-11-20 12:49:49,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:49:49,692 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2022-11-20 12:49:49,692 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2022-11-20 12:49:49,692 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-11-20 12:49:49,693 INFO L895 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_~x#1|) (= (_ +zero 8 24) |ULTIMATE.start_main_~x~0#1|) (fp.gt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24)) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 12:49:49,693 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-11-20 12:49:49,693 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-20 12:49:49,693 INFO L899 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2022-11-20 12:49:49,693 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-20 12:49:49,693 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2022-11-20 12:49:49,694 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-20 12:49:49,694 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2022-11-20 12:49:49,694 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2022-11-20 12:49:49,694 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-11-20 12:49:49,694 INFO L902 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2022-11-20 12:49:49,695 INFO L899 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2022-11-20 12:49:49,695 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2022-11-20 12:49:49,695 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-20 12:49:49,695 INFO L902 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2022-11-20 12:49:49,695 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-20 12:49:49,696 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2022-11-20 12:49:49,696 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-11-20 12:49:49,696 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2022-11-20 12:49:49,696 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2022-11-20 12:49:49,696 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2022-11-20 12:49:49,696 INFO L899 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2022-11-20 12:49:49,697 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2022-11-20 12:49:49,697 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2022-11-20 12:49:49,697 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2022-11-20 12:49:49,697 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2022-11-20 12:49:49,697 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2022-11-20 12:49:49,697 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2022-11-20 12:49:49,698 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2022-11-20 12:49:49,701 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-20 12:49:49,703 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:49:49,714 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,717 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,718 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,722 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,722 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,722 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,722 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,723 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,724 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,724 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,724 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:49:49 BoogieIcfgContainer [2022-11-20 12:49:49,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:49:49,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:49:49,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:49:49,726 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:49:49,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:49:10" (3/4) ... [2022-11-20 12:49:49,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:49:49,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-11-20 12:49:49,735 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2022-11-20 12:49:49,741 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 12:49:49,741 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 12:49:49,742 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:49:49,742 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:49:49,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-20 12:49:49,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-20 12:49:49,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:49:49,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:49:49,796 INFO L158 Benchmark]: Toolchain (without parser) took 53610.84ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 61.1MB in the beginning and 61.2MB in the end (delta: -38.3kB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-20 12:49:49,797 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:49:49,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.33ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 46.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:49:49,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.09ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:49:49,798 INFO L158 Benchmark]: Boogie Preprocessor took 98.59ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 41.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:49:49,798 INFO L158 Benchmark]: RCFGBuilder took 13422.84ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 36.7MB in the end (delta: 4.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-11-20 12:49:49,799 INFO L158 Benchmark]: TraceAbstraction took 39393.87ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 36.0MB in the beginning and 66.5MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:49:49,799 INFO L158 Benchmark]: Witness Printer took 70.10ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 61.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:49:49,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.33ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 46.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.09ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.59ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 41.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13422.84ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 36.7MB in the end (delta: 4.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * TraceAbstraction took 39393.87ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 36.0MB in the beginning and 66.5MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.10ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 61.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 232]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 22.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 1762 SdHoareTripleChecker+Invalid, 22.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 77 IncrementalHoareTripleChecker+Unchecked, 1282 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 480 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 45 PreInvPairs, 49 NumberOfFragments, 147 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 95 ConstructedInterpolants, 16 QuantifiedInterpolants, 844 SizeOfPredicates, 38 NumberOfNonLiveVariables, 699 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant [2022-11-20 12:49:49,811 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,812 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 120]: Loop Invariant [2022-11-20 12:49:49,812 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,813 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,813 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,813 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,814 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,814 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,814 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,814 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000)))) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2022-11-20 12:49:49,816 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,816 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,816 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,816 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,817 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:49:49,817 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,817 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,818 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,818 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6,QUANTIFIED] [2022-11-20 12:49:49,818 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32][22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_6][0bv32]) == ix)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:49:49,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dae72f5-c08c-4677-8ae8-a0a44f1802b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE